Discone Preamp

A Discone is a wideband antenna that is a great starting antenna for general RTL-SDR use. HF/VHF BROADBAND DISCONE ANTENNA, MODEL BDA-230/A. com in a single category. Note that in urban settings or in areas near transmission towers boosting the signal by 20db of gain will overpower the front end of most scanners. But the Lindenblad often outperforms my GP and discone if the stations are distant and not line of sight. D130N Super Discone 25-1300MHz Wideband Antenna, Wideband discone antenna, with Type-N female connector Mfg: Diamond Antenna. If you have any questions or see something on the list call us now 903-737-0773. Below $30: Nooelec SMArt bundle, or rtl-sdr. if you only scan select bands, try and find antennas that are designed for those bands. could that affect it?. AOR DA-3200. I bought a discone that came supplied with 50 ft RG58/U cable in a package deal. Choose your desired length from the options below. I grew tired of replacing the preamp every 1-2 years due to lightning damage (in spite of having a surge suppressor in line). PAR MON-3 Antenna VS Diamond D-130J. Does anyone have any experience with these antennas? Should I just stick with a Discone with a center element? Any particular brand of Discone better than the rest?. This versatile antenna provides a highly flexible solution to inter-operability requirements in multiple bands. The D130J Super Discone Antenna is an ultra-wideband antenna covering amateur radio, commercial 2-way, cellular, air traffic control and various utility frequency bands. Amounts shown in italicised text are for items listed in currency other than Euros and are approximate conversions to Euros based upon Bloomberg's conversion rates. I changed the coax to a low loss 75 ohm CATV coax that I Got free. The frequency value used is the lowest frequency in the range of interest. Not much I can say about the huge Odyssey Monoblocks that hasn't been said elsewhere. To submit a review, please Login. > multiple preamps all the way up. I found that it was very noisy on 800 MHz due to cable loss. DX-3090 High power tactical ground to air wideband Discone VHF Antenna - 300Watt Earth Mat / Counterpoise / Ground Plane Systems DB01005 HF Antenna Ground Plane Counterpoise System - Stainless Steel, 8 Radial, 20M Diameter - Suit Hi-Rise Buldings or Below Ground. My discone sits on top of 2-10 foot mast. I use three radio systems with this one antenna. TYT TH UV8200 Dual Band 136-174 400-520MHz 5W 10W Handheld Radio + Software & Cable. com FREE DELIVERY possible on eligible purchases. The collinear antenna shows a dramatic improvement over the discone. It is usually mounted vertically, with the disc at the top and the cone beneath. Discone Antenna SIRIO SD 3000 N, broadband covering all frequencies in RX from 300 to 3000 MHz and in TX fro amateur bands 70cm, 23cm, with N female connector. the discone is very high limiting our sensitivity to several thousand Kelvin. The ARRL Antenna bookhas an interesting article about 'HF Discone Antennas' including some historical facts. The wide vertical beamwidth of discone antennas allows clear communication for ground and ground-to-air applications. In itself the Beverage is a fine solution to low band reception. About Preamp for RTL SDR The resource is currently listed in dxzone. My discone sits on top of 2-10 foot mast. Reveiver, Software Defined Radios (SDR) and Scanners (Handheld, Destop). DISCONE MONITOR ANTENNA 40-999MHz $30. This product hasn't received any reviews yet. The antenna should also be mounted where it can be easily serviced should repairs or adjustments be required in the future. While it is ideally suited to WiNRADiO VHF/UHF receivers, it can be also used to improve sensitivity of most third party receivers. low-noise preamplifier for use with mast mounted Discone, Log periodic or Yagi type broadband scanner antennas. We buy and Trade for used gear almost daily. designs and manufactures high quality radio system equipment for domestic and international markets. Radio Scanner UBC75XLT Uniden Bearcat Airband Marine 300 Channel with Close Call. A preamp is simply a way to make your existing antenna "active. The main category is RTL-SDR Dongle that is about RTL SDR dongles. rar (510kb). I can only guess this is because I'm not using a good enough antenna. A somewhat specialized antenna is required to receive the right hand polarized transmissions from NOAA weather satellites, but with a few bits of wood and wire, [Lovro] made a helical antenna to listen in on the weather satellites transmitting around 137 MHz. I changed the coax to a low loss 75 ohm CATV coax that I Got free. The AT-197A/GR Antenna is designed for broad-band omni-directional ground-based communications with aircraft. one without an amplifier / booster, the signal levels drops because it has to be split. At some point after the list grows, I will break them into two separate pages - one for operators/clubs and another for equipment vendors. The Vanguard FMR-260-PL is a very sensitive receiver - optimized with the preamp LNK-137 from Hamtronics - for the reception of NOAA APT and Russian Meteor weather facsimile images on the 137 MHz band. Put them on top of a metal (!) mast appr. Review: Uputronics Wideband Preamp Also called HABamp or Habamp, a low noise radio amplifier for radio signals between 100 MHz and 4 Ghz in a metal case with bias-T or 5V external power. FS: Icom AG-25 mast preamp - $40 shipped. Another, less well known, all-band omnidirectional scanner antenna has caught the fancy of many scanner hobbyists. > multiple preamps all the way up. I wanted to use a QFH antenna but haven't found any suppliers that can manufactuer it in the 70cm band. 5" H) designed to operate in the APT Weather Satellite Band of 137 MHz to 138 MHz (137-138 MHz). The antenna has a very broad bandwidth with a low gain and can be used for any application within the frequency range. See how Icom leads the way in digital ham technology with the latest DSP and D-STAR radios. Phoenix VHF/UHF JPOLE Base Antenna 2M/70CM 143-149 MHz + 437-450 MHz. The AD5X bias tee is "rated" to 230 MHz, and things are quite different at 500 MHz. Lot's of easy home made projects for radioamateurs, swlhomebrew special antenna's, receivers, converters, power amplifiers, electronical kits, amplifiers, transmitters and lot's more. Outdoor TV Antenna TV Antenna's Best TV Antenna Test HDTV Antenna Fact or Fiction Top HDTV Antenna Performance With few exception the chances of great TV reception success using an indoor antenna is slim. The questions are different every time you take this, so make sure to take this practice test more than once or twice!. With the preamp installed at the discone, I also plan to use a splitter so there will be some losses there. Discone vs a J-Pole Scanner Antenna. Expires Dec 16, 2019 Type Want to sell Diamond D220R discone antenna. This preamp is for 50 to 2000 MHz. Lot's of easy home made projects for radioamateurs, swlhomebrew special antenna's, receivers, converters, power amplifiers, electronical kits, amplifiers, transmitters and lot's more. com in a single category. Available for $45 equivalent from the manufacturer in the UK, or for $45 from airspy. Here, you'll find links for antennas covering 30 Mhz and up. Please add me to your list of favourite sellers and come again. org The … K6MYC on Antenna Testing. Book you listed is fantastic, he'll learn a lot from it. Grounding is key to good reception Last night this measured about S5. I once had a $25 multiband shortwave antenna in the attic that performed as well as any $150 manufactured SW antenna. Supplemental Files – ARRL Antenna Book, 23rd Edition Supplemental files are included on the CD-ROM. Place them as far away as possible from noise sources (houses). ” Same as above. They include additional discussion, related articles, additional projects, construction details and other useful information. This is not the first time I have bought this antenna and the price for this one is the lowest I have seen. Over on instructables. The best way to do this is with one of three options: A)A preamp on the antenna with a passive splitter to distribute the signal B)A passive splitter alone to distribute the signal C)A powered splitter, also called a distribution amplifier, to distribute the signal For help figuring out which one of these is best for you, please contact our. John Wagner's Shortwave Tips & Tricks. The pattern and signal to noise ratio are excellent. Use heavier coax to feed the antenna, like Belden 9913. Having a preamp (or distribution amp) right at the antenna reduces the entire system noise figure by the value of the insertion loss of the long cable. uk Response in 24 hours. Checkout our selection of pre-amps. Bulk charge 8 BB-2590s in three hours. By using a multicoupler, each radio will operate like it is the only radio connected to your antenna and as if it was directly connected to the antenna. Jim M75 Pre-Amplifier High quality pre-amp with variable gain control and band pass filters to minimize interference. A technique for spread-spectrum communication (figs. 87 m Acceptable mast 20 - 30 mm dia Endurance 40 m/s wind speed Coaxial cable RG-58A/U 10 m with BNC. place antenna in radome of some type that failitates solid mounting - and i live quite close to sea (even my high quality stainless discone suffers!). replace the cable with lower loss cable. Find many great new & used options and get the best deals for Icom Ag-25 144mhz Low-noise Preamplifier Mast Mount at the best online prices at eBay! Free shipping for many products!. To go beyond the special antennas operating over a decade or more, are of log-periodic antenna, the antenna or similar discone, the helical antenna platform, etc. Discone Antenna This is a relative of the 1/4 wave ground plane antenna optimized for wide frequency bandwidth. The element spacing has been carefully chosen to provide optimum directional characteristics for both long and short haul, point-to-point HF communication using the ionosphere. com, VHF/UHF Reception with a Low-Cost TV Dongle, Guide to setting up RTL-SDR, RTLSDR Upconverters - comparison. Please add me to your list of favourite sellers and come again. The MuTeK BBBA 500u also used a similar circuit, but only using one stage of amplification. com FREE DELIVERY possible on eligible purchases. Discone 1411 is a base station antenna. -- Diamond D 130 Super Discone (VHF&UHF) In most cases, the IC-R8600 was on par with the reference receivers. I use my discone with an ICOM R7000. It’s all in the numbers. Air Shows, Air traffic, VHF Marine, PMR446 and race marshalls. Don Keith N4KC describes his top five antennas for amateur radio that enable new ham radio operators to get on the air quickly and begin making contacts. Yaesu FT-DX101MP 4 495,00 € DB37-FT-101 90,00 € » All new products. replace the cable with lower loss cable. Only 15 left in stock - order soon. Discone Antenna Mounted on Floor? 6. The Telewave ANT260K Wideband Discone Antenna 75 MHz-3 GHz, Wideband Discone Antenna 75 MHz-3 GHz, is an extremely rugged, wideband discone antenna for all frequencies between 75 MHz and 3GHz. 14 KB; Binaural Basics. It is for safety as the lightening may want to flow down your coax lead in no matter what is struck by the lightening. It’s possible to use 1-inch ladder line on 2 meters but you also need a 1:1 choke balun and a tuner, both designed for VHF. This list includes both Ham operator and equipment supply websites. Clarification of Answer by snapanswer-ga on 03 Jan 2003 01:20 PST Thank you for the rating and the tip. Handles 200 Watts. This LNA is designed to be powered by BIAS-T with a power supply of 3 to 5V. May be indicated for very old radios with poor sensitivity. High Gain Air Band Antennas. Kennedy Space Center Amateur Radio Club N1KSC - KARC will promote the unity, fellowship, and activities of the amateur radio community at Kennedy Space Center. They will also cause very strong signals to bleed and overload the receiver front end of your scanner. › Scanner signals work on line-of-sight, not satellites, so anything from a tree to a hill can inhibit signal. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Police Scanner Antenna Basics. com FREE DELIVERY possible on eligible purchases. Another page on a home made Discone also designed for a minimum of 130MHz is here with some brief instructions links to design calculators. Here is a photo of the K3RRR Satellite Attic Contraption after installation. Coax and hardware not included. Post-Assembly Review of the Tram 1411 Discone Broad Band Base Antenna (25-1300 MHz). In order to receive the Russian Alpha stations' signals, the pre-amplifier had to be switched on, which did no harm. A mast head preamp is most certainly not an economical option at the moment unless I chose to operate on VHF UHF SSB via a cross polarized beam but this in all fairness is a future project, as I have sunk far too much of the hard earned cash on the amateur radio station set up I have now. Essentially, it is a composite of several element lengths in an effort to extend the typical 8:1 frequency range of a discone so that it can accommodate wideband receivers over the entire 25-2000 MHz spectrum. Find super scanner antenna and linear amplifier from a vast selection of Radio Communication. If you have any questions or see something on the list call us now 903-737-0773. Here, you'll find links for high gain antennas covering hf-vhf-uhf. They also have a much lower noise floor and about 3db of gain. It will operate effectively on broadband or narrowband antennas. Phoenix VHF/UHF JPOLE Base Antenna 2M/70CM 143-149 MHz + 437-450 MHz. ICOM IC-PCR1500, WiNRADiO G303i, Bearcat BC796D and Radio Shack PRO-2006. What others are saying "I hope to get my Ants out here, but I doubt the tower will go up at this location so inconspicuous verticals may be all I can use and few at that. This item is currently out of stock. The frequency value used is the lowest frequency in the range of interest. commercial/military Discone you will see it is about on par with a 1/4 wave groundplane across most of the Discone bandwidth. All About The Discone Antenna: Antenna Of - FARS All About the Discone Antenna: Antenna of Mysterious Origin and Superb Broadband digital television (DTV). 8v power lead, cigarette lighter power lead, four feet (cushions), magic tape and of course instructions. YouTube user nerdsville shows a signal reception comparison of his discone antenna and his home made 1090 MHz tuned ADS-B collinear antenna in this video. Discone antenna SIRIO SD 1300 N, wide-bande in reception from 25 to 1300 Mhz and the radio amateur bands in emission on 50Mhz, 144Mhz, 430Mhz and 1200Mhz with female connector and a size of 1,6m. Broadband Wide Band Antenna 25-3000mhz Scanning Scanner Diamond Discone Base Antenna , Find Complete Details about Broadband Wide Band Antenna 25-3000mhz Scanning Scanner Diamond Discone Base Antenna,Discone Antenna,Wide Band Antenna,Discone Base Antenna from Communication Antenna Supplier or Manufacturer-Quanzhou Tianlu Communication Technology Co. Discone 1411 provides continuous reception up to 1300 MHz and allows transmission on all amateur and CB radio bands from 25 MHz. To the right of the active whip antenna is a so-called discone antenna 1 that covers the SHF frequencies between 1. I don't mean inflated scanner Discone specs, look at commercial companies that reference to isotropic or 1/2 wave dipole for measurements. The two elements can be either solid or composed of separate elements. I can only guess this is because I'm not using a good enough antenna. Ramsey Electronics Kits Assembly Instruction Manuals. I guess it's only for TV and not for scanner use. Posted on September 25, 2016 Updated on September 26, 2016. The D130J Super Discone Antenna is an ultra-wideband antenna covering amateur radio, commercial 2-way, cellular, air traffic control and various utility frequency bands. Use electrical tape to tape the connection down to the bottom of the twinlead where you soldered both ends together. Feed w/ RG6/U. Top quality construction will give years of use, and this antenna is fitted with a low loss "N" type socket for the coaxial feeder cable (not supplied). FS: Scanner Preamp ($40) 2. The Telewave ANT260K Wideband Discone Antenna 75 MHz-3 GHz, Wideband Discone Antenna 75 MHz-3 GHz, is an extremely rugged, wideband discone antenna for all frequencies between 75 MHz and 3GHz. During those years, they have made important contributions to the growth and development of the television industry, becoming a respected world leader in the design of innovative, quality products. I use my discone with an ICOM R7000. Contains information applicable to ham radio including repeaters, echolink, VOIP, satellites, digital, solar conditions, space conditions, online propagation tool, online SSN to SFI/SFI to SSN conversion tool, and local Sierra Vista AZ Weather/Lightning conditions. Rtl-SDR FC0013 with 2m PreAmp and Diamond X50 Antenna 40m above ground 437. Do you need a splitter / amplifier or booster: In some instances it is necessary to supply more than one television from a single antenna. And to verify some experiment results from the 5BTV. May 11, 2015 "HPF2050" High Pass Filter released. Yaesu FT-DX101MP 4 495,00 € DB37-FT-101 90,00 € » All new products. Put them on top of a metal (!) mast appr. Scanners are used by a variety of industries from air traffic control, emergency services through to security guards and taxi drivers. An active multicoupler also replaces any losses due to the splitting of the signal with a small pre-amplifier. If you live in an out-lying area, but want to listen out farther all around you, then an amplifier will help some. 5" H) designed to operate in the APT Weather Satellite Band of 137 MHz to 138 MHz (137-138 MHz). It is extended for use with Radio Sets AN/GRC-27, AN/GRC-29, and AN/TRC-32 which communicate with UHF command radio sets in aircraft and such ground UHF stations in the terminal area. a preamp is a must have for my location for getting. I want to build a new transmit antenna but how do I know how much power I need to make the ERP limit? The ON4KST "kHz" logger / chat: a game changing tool in the pursuit of MF and LF QSO's. D130N Super Discone 25-1300MHz Wideband Antenna, Wideband discone antenna, with Type-N female connector Mfg: Diamond Antenna. How to weather-seal an upside down Tailtwister rotor? 3. I would suggest looking at a discone antenna since you would use it for just listening. The Telewave ANT260KT Wideband Discone Antenna 75 MHz-3 GHz, is an extremely rugged, wideband discone antenna for all frequencies between 75 MHz and 3 GHz. Hi-Q-6/160 RT MC-3H HF Mobile antenna on the top of my carport with ONLY an 8’SS whip and NO CapHat. Was an avid short-wave collector in my teen years. You will get a list of vendors selling these sticks listed for SDR use at about $20. Founded in San Jose in 1972, Telewave, Inc. This list includes both Ham operator and equipment supply websites. The UK leading Supplier and Distributor of Communications Equipment. It is usually mounted vertically, with the disc at the top and the cone beneath. Be sure to check that the stick is using the RTL2832U / Elonics E4000 chipset. Transmitting or receiving. Top quality construction will give years of use, and this antenna is fitted with a low loss "N" type socket for the coaxial feeder cable (not supplied). Be the first to review this product!. In this show I talk about the GRE Super Amplifier for scanner radios. 3GHz I think this is an ICOM AH-8000 which is also a TX antenna too. commercial/military Discone you will see it is about on par with a 1/4 wave groundplane across most of the Discone bandwidth. It offers 0dB of gain, on frequencies from about 120-1300MHz, and with a vertical element on top, it is usable down to about 30MHz. Welcome to the Scanner antenna page. Much better results with the wideband discone. I grew tired of replacing the preamp every 1-2 years due to lightning damage (in spite of having a surge suppressor in line). A preamp driving the line at a higher level will waste power, produce unnecessary noise, and cause unnecessary distortion. Resources listed under RTL-SDR category belongs to Software Defined Radio main collection, and get reviewed and rated by amateur radio operators. Wellbrook Communications are the only UK company that supplies a complete range of Long wave loops, Medium wave (AM) loops and Shortwave (HF) receiving loop antennas for radio amateurs and listener hobbyists. Depending on which you choose, our line of versatile discone antennas gives you the ability to cover Amateur Radio, public safety, commercial 2-way, cellular, air traffic control, and various ultra-frequency bands. the discone is very high limiting our sensitivity to several thousand Kelvin. Only if you are then hearing signals that are a bit scratchy and you would like to hear better should you consider a preamplifier. Checkout our selection of pre-amps. More information about rtl-sdr and ADS-B here. SkyScan V1300 Desktop Scanner Antenna RG58 Coax BNC Plug Ultimate airband aerial. It endeavors to provide the products that you want, offering the best bang for your buck. Entitled ?A New Type of Pre-amplifier for 145 MHz and 435 MHz Receivers? By M Martin, DJ7VY. Buy products related to police scanner antenna products and see what customers say about police scanner antenna products on Amazon. I purchased this antenna to replace a discone with a mast-mounted preamp. Don Keith N4KC describes his top five antennas for amateur radio that enable new ham radio operators to get on the air quickly and begin making contacts. Antennas used were an Alpha-Delta DX-Ultra and a TRAM discone, both feeding into 8-port Stridsberg multi-couplers so all receivers and scanners saw exactly the same signal. Tel: 0845 2300 599. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipment. currently in the process of testing a discone, the "the new and improved" How much dB in Preamp? lbbs:. New products. 64 KB; Avoiding RF Oscillation. That preamp, saying LNA4ALL here, lives at the bottom of discone for more than three years, great, Uputronics spent considerable time out in the rain, good as new. But the Lindenblad often outperforms my GP and discone if the stations are distant and not line of sight. Figure 7 shows the LST variation in a band from 150. 300 channels in 10 banks. Discone antenna SIRIO SD 1300 N, wide-bande in reception from 25 to 1300 Mhz and the radio amateur bands in emission on 50Mhz, 144Mhz, 430Mhz and 1200Mhz with female connector and a size of 1,6m. discone at a popular price. Selectable modes include narrowband mode (113) and spread-spectrum mode (111), or cellular mode and microcellular mode. Super Wideband Omnidirectional Antenna, Excellent for receivers - ~Antenna, discone, 100Mhz-3. At the upper end of the Discone's range the pattern can get a bit squirrelly, but. J-Pole scanner antennas are solidly constructed out of copper tubing for unmatched ruggedness and reliability. They have commited to call me but a week on and no feedback (yet!). Indentical to the DCX discone, but includes 50' feet of RG-58/U coax with a PL-259 on one end and a BNC connector type on the other end. Testing has been carried out with multiple receivers, with a discone and frequency-specific ground plane antennas for innumerable months - for a reason. I get great reception on 11 meter (CB) and VHF (marine) bands. with a funcube dongle and a roof mounted discone antenna with the lowest frequency at the low end of the air band. NOW SHIPPING!! ICOM IC-9700 All Mode, Direct Sampling Tri-Band Transceiver 144, 430/440 And 1200MHz. The EWPA-5200LL is specifically designed to accommodate the needs of users with specialty antennas like the Discone, Yagi or log periodic. They also have a much lower noise floor and about 3db of gain. 82 KB B; BIOS Data Area Information. The first is called a discone and the second is called a Slim Jim. No product specials are available at this time. While it is ideally suited to WiNRADiO VHF/UHF receivers, it can be also used to improve sensitivity of most third party receivers. Its around 15ft of rg58 from discone antenna to the Optima,(gain turned to about 60/70%) then a patch lead of rg58 around 4ft to the scanner. Sirio SD-3000 N Wide Band Discone Antenna 300-3000 MHz. See how Icom leads the way in digital ham technology with the latest DSP and D-STAR radios. Put them on top of a metal (!) mast appr. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipment. The AS-1090 is a pre amplifier designed specially for the Virtual Radar receivers SBS-3 and Radarbox. A Discone is a good general antenna for the rtl-sdr as they are extremely wideband, and can be expected to be useful over almost the entire frequency range that is tuneable by the the rtl-sdr. I was also saw ad for NIL-JON antenna that looked interesting. What others are saying "I hope to get my Ants out here, but I doubt the tower will go up at this location so inconspicuous verticals may be all I can use and few at that. Power supply of the SBS-3 is done over the USB connection, a cable is included. MODEL EM-6105 WIDEBAND DISCONE ANTENNA 1. 440 mhz 144 mhz 50 mhz mobile discone scanner antenna 100-1600mhz. Your best bet is to get a wide range outside scanner antenna (try a Discone), and get it mounted as high as possible, and un-obstructed. Important Information - Please Read. The IF receiver consists of a single, down conve. The design was calculated for 800-2100MHz and works well in this range. The AT-197A/GR Antenna is designed for broad-band omni-directional ground-based communications with aircraft. A comprehensive User Guide to the Farnham WebSDR - Written by Martin G8JNJ. Designed and manufactured to exacting standards. They have commited to call me but a week on and no feedback (yet!). FS: Regency Informant. Pre-amplifier for 70 MHz. Note that the preamp has been moved to the rotator mount so it doesn’t move, the jumper cable is now LMR400 Flex and that I had to add another 2′ of PVC to the mast to clear the rafters and the 9:1 balun endfed and noise antenna for the MFJ-1026. John Wagner's Shortwave Tips & Tricks. So while the discone picks up local sites very strongly, it may be of absolutely no help for communication of a neighboring county if there are no radios of those agencies being used locally. Discone A quality wideband stainless steel discone with frequency range of 25-1300MHz. Testing has been carried out with multiple receivers, with a discone and frequency-specific ground plane antennas for innumerable months - for a reason. WiNRADiO Communications - Pioneering PC Radio - Manufacturers of PC-based Radio Receiver Systems for Professional Radio Surveillance and Amateur Applications. Lot's of easy home made projects for radioamateurs, swlhomebrew special antenna's, receivers, converters, power amplifiers, electronical kits, amplifiers, transmitters and lot's more. Get the best deals on HF Ham & Amateur Base Station Radio Antennas when you shop 1411 Tram(R) Scanner 25MHz-1,300MHz VHF/UHF Super Discone 50 Ohm with Preamp. 3GHz I think this is an ICOM AH-8000 which is also a TX antenna too. 8v power lead, cigarette lighter power lead, four feet (cushions), magic tape and of course instructions. We're back with a a huge range of Smart Home, Security, Gaming, AV, Computing, STEM & more. Sorry if a similar question is buried amongst the older posts, they take some searching when a word is commonly used I am considering purchasing a pre-amplifier with in built filtering akin to the M100 by Moonraker, I have watched a few you tube videos and they seem to perform reasonably well but a few videos is not enough to swing my decision so I thought I would ask the forum members what. YAESU FT-857D MH-31 UPGRADE DYNAMIC MIC ,PREAMPLIFIER / PROCESSOR,by SV1DZB | eBay. The AS-1090 is a pre amplifier designed specially for the Virtual Radar receivers SBS-3 and Radarbox. I finally got around to installing the antenna on the roof and took some pictures along the way. 3GHz I think this is an ICOM AH-8000 which is also a TX antenna too. D130J Super Discone Antenna, 25-1300 MHz w/ 3 Year Warranty. Loop, Discone and Broadband Antennas Medium Waves Short Waves Aperture Cable Cabo Openness Electrical Cable Cord Wire The Wellbrook Large Aperture Loop ALA100LN is a specialist's antenna designed for the Long wave, NDB Band, Medium wave and Short wave DXer. com, user cyfus has created an instructable showing how to build a 55 MHz+ home made discone antenna for his RTL-SDR dongle. (This is controlled by a front panel button which puts a voltage onto the coaxial cable feeder). Please add me to your list of favourite sellers and come again. ” Same as above. It is also important to use amplifiers designed for high ambient temperatures. Important Information - Please Read. So the antenna I'm thinking about doing might be * way too large for my property. Some time ago I have investigated the frequency adjustment of my Diamond discone antenna with the results in the below picture. There are specific band sensitive preamplifiers that have an extremely low noise figure. We try and keep a fresh inventory of used equipment. one without an amplifier / booster, the signal levels drops because it has to be split. Conclusion This project is a bit more complex than other omni antennas for satellite use, but it is much easier and cheaper than a standard tower mounted circular polarized azimuth and elevation rotating beam system. Audio PreAmp ICs. A little while ago, I purchased a Jetstream JTD1 discone antenna off ebay for $34 (+shpping). With an attic installation, the effective range of most antennas is lowered by 30% to 50% (10-15 miles), so consider getting a more powerful antenna or a preamp to compensate for this loss. They include additional discussion, related articles, additional projects, construction details and other useful information. Amounts shown in italicised text are for items listed in currency other than Euros and are approximate conversions to Euros based upon Bloomberg's conversion rates. I'm using RG6 quad shield coax with my D130J discone and I was wondering if adding a preamp (like the ones used for TV antennas) would help by boosting the signals to over come the loss with the coax and/or boost the weaker signals so they would come in better. com FREE DELIVERY possible on eligible purchases. Weather Satellite Antenna description. It looks like the Superadio external. Buy Moonraker M-100 - Scanner Preamplifier from Radioworld. Ramsey DA1 - All Band Short Wave Listening Dipole Antenna Topics: amateur radio, antenna. Indentical to the DCX discone, but includes 50' feet of RG-58/U coax with a PL-259 on one end and a BNC connector type on the other end. This discone style wideband base antenna from Sirio will be suitable for all modern scanners covering the frequency range from 300-3000MHz. 14 KB; Binaural Basics. Rust-free stainless steel is employed in major component parts making the. It is extended for use with Radio Sets AN/GRC-27, AN/GRC-29, and AN/TRC-32 which communicate with UHF command radio sets in aircraft and such ground UHF stations in the terminal area. Installed this little antenna on tripod with u-100 rotor and 10g202 preamp, approx 25` high on roof. Since then we have become the largest manufacturer of Amateur, CB, and Scanner antennas and accessories in the UK We are also the largest local authorised dealer for Alinco, Kenwood, Icom, Yaesu and Wouxun. The long answer As far as preamp vs distribution amplifiers. The antenna should also be mounted where it can be easily serviced should repairs or adjustments be required in the future. The antenna is rated for 200 watts of transmit on 144 mhz, 220 mhz, 440 mhz, 900 mhz, and 1. (The discone includes ground-plane radiators while the dipole indicates that it is a "stick. I was also wondering why I can hardly get anything on the scanner with the TV antenna setup. These external amplifiers can be linear or non-linear but it’s important to note that if using a non-linear external amplifier,. Due to its magnetic base this aerial can be static mounted onto your vehicle and draw in those signals you cant pick up with a smaller antenna. All depends what spectrum you're really trying to cover -- but I wouldn't bother. 5m RG58 coaxal cable. The LNA4HF is a pre-amplifier and a low-pass filter (LNA) with SMA female RF connectors and for RF frequencies covering all bands from 150 kHz to 30 MHz. Rust-free stainless steel is employed in major component parts making the antenna rust resistant and durable. THIS is why a MAST mounted preamp works wonders however finding a realy broadbanded one can be a problem 20 db of preamp gain at the antenna means you can hear things 10 TIMES as weak. This is not the first time I have bought this antenna and the price for this one is the lowest I have seen. It is a 2m discone approximately 15m above the ground. Welcome to the Diamond Scanner/Base Antennas page. That is the basics of frequency. uk 01922 414796, for all your radio needs. Specialising in new & used Ham (Amateur) Radio, Commercial Two-Way Radio, Marine & Aviation equipment. 17 KB; Balun Designs for Wireless - Mixers, Amplifiers and Antennas. (This is controlled by a front panel button which puts a voltage onto the coaxial cable feeder). Ideal for professional, surveillance and monitoring applications. Many of the newer HF rigs on the market today have been configured to generate a +0dbm (1 milliwatt) linear signal to drive an external amplifier and low pass filter. Make Offer - Harvest D220R 100-1600 Mhz Mini Discone Mobile Scanner Antenna(Free US Shipping) 765mm Telescopic Antenna Q9 BNC Connector Portable FM Radio Scanner VHF UHF T af $5. 95 SCANMASTER' ACTIVE Discone As above with 20dB pre -amp. Model # Wideband Discone. 5 inch plastic water pipe for easy weather-proof installation, or use it "naked" in the loft. The Textronix only needs about 20 dB of preamp gain, so that we might want to have the flexibility of replacing the ZHL-3010 with a ZHL-1010 for less gain. Specs: The specifications of this radio don’t look too. Audio PreAmp ICs. AOR DA-3200. The Dressler EWPA-5200 LL is a very high performance, low-noise preamplifier designed for mast mounting on Discone, Log Periodic or Yagi type broadband scanner antennas. The AS-1090 can be used with any passive antenna like the GP-1090 or a discone antenna. It is more suited to terrestrial telecommunications but one can use it to receive other signals, including satellites if they cross the sky quite low over the horizon.