K4poz screwdriver antenna Auto-detect complete antenna position sensor range to generate the antenna tuning range. It covers the 7/14/21/28/50/144/430 MHz amateurs bands and compatible with Yaesu FT857, FT857D, FT450D, FT450AT, FT991A, FT450, FT100D, FT100, FT891, FT710, FT897 or FT-897D. depending on frequency. 7m in height, this base-loaded electronically tuned antenna features a flexible whip mounted on a spring coil. Continuous monitoring of the Forward and Reverse Power Ratio (SWR) of the antenna system and continually adjust the tuning to provide the best antenna Scorpion Antennas™ are designed for amateurs that demand outstanding performance. Amplifier Keying Buffer by K4POZ, Ron Wilson "Pozy" This is the K4POZ Amplifier Keying Buffer. Hi-Q-Antennas -4 (dash 4) 22 . Mobile Screwdriver Antenna - 3. com Sign In K4POZ Screwdriver Antenna: 6: 2015-05-05: 229 (4. The resistor in series with the motor has since been moved to the controller in the cab of the truck, and the wiring replaced with 2 conductor #20 shielded cable. The paperwork on the antenna didn't give much hope of using it in non mobile applications. MFJ-1925 Yaesu ATAS Screwdriver Antenna Controller. 1; 2; First Prev 2 of 2 Go to page. 6m dipole at 17’made from leftover BuddiPole parts; VHF / UHF / Beyond: Diamond D-130 Discone antenna with 25-1300 MHz coverage at 20′. The supplied 4 ½ foot whip can be used for mobile or limited space operation. 7m approx depending on frequency. GI-7B Sockets By K4POZ and W4ZT : These sockets are professionally crafted by K4POZ and W4ZT to provide you The Workmen antennas allow me to use my K4POZ screwdriver antenna at the home QTH with my QRP rig. The motor, operated remotely by a momentary switch or an electronic controller, moves the whip Review Summary For : gs4 screwdriver antenna; Reviews: 5 MSRP: 350~$550; Description: i have the best screwdriver antenna made it iis a 4in. Continuous monitoring of the Forward and Reverse Power Ratio (SWR) of the antenna system and continually adjust the tuning to provide the best antenna All Postal service mail to: Tarheel Antennas, Inc. 75 Volts PWM Speed Controlled Hi-Q-Antennas -2. All cable with the exception of the separation cable and scredriver control run inside the driver's side panel where the jack is stored, and exit beside the seat belt Screwdriver antenna, replaces the HS-1500. This stalls the motor and causes the motor drive current to increase dramatically. With the supplied 120cm radiator the antenna has a total length from 170cm (@3. Part Number: YSU-ATAS-120A Estimated Ship Date: Dec 26, 2024 I wanted a HF screwdriver antenna but the price put me off, so I decided to try and build one myself. NOW it is a fantastic antenna. HF Wideband Coupling Unit Internal View. The antenna comprises a base loaded electrinically tuned “screwdriver” antenna with a flexible whip mounted on a spring coil. But you can?t use the antenna unless you have the MFJ-1925 antenna controller. 2 to 29 MHz with the supplied 6' whip. What does a screwdriver antenna draw, an amp or two max? A 100' run of 14ga wire pair is . WA7QNE Rating: Antenna Base Matching Coil This is the same matching coil supplied with every K4POZ Screwdriver Antenna : Matching Coil construction is shown in this picture. Hi-Q-Antennas -5 (dash 5) 25 . The loading coil is adjustable to cover multiple HF bands, and the unused portion slides into a hollow tube. The MFJ-1668 manually tuned screwdriver antenna was designed for continuous operation from 6-80 meters using a supplied whip 10 feet in length. New Castle, DE. With the optional radiator OPE-750 (77cm) the Carl, N4KCM, wants to know if he could use a screwdriver antenna as portable antenna but it might not be the best solution for him. 95 (3. The mount it is on originally was designed for multi-band Hustler setup. At night, in bad weather or in heavy traffic, this can be an unpleasant experience. (4. We chose to mount our antenna in the bed of our F-150 Truck using a fold-over mount from Breedlove Antenna Mounts. eHam. I would recommend these antennas to anyone. Intro: WIFI Antenna. The ham world has found the perfect HF/ VHF antenna for mobile/portable operation . Specifically designed for the Icom IC-706, this compact MFJ unit enables seamless integration between the antenna and radio. We build an ideal base station antenna for the amateur living with antenna restrictions. With adjustable tuning capabilities, users can easily fine-tune the antenna for optimal SWR and performance on their The Scorpion SA-680 Antenna is a beefy unit and weighs about 18 pounds. Concealed inside is a reversible DC motor. 00; Description: Remotely Tunable Mobile Antenna Product is not in production: More Info: I have already reviewed this antenna in the K4POZ section and will just briefly re-iterate that this is one great mobile antenna at a very reasonable price. you can spend your money any way you want to,your choice. Discover Predator screwdriver antennas. 40. 5-30 Mhz with a 6' whip or 6. Denver, CO. What a performer! I'm back on the HF bands again. Go. This includes a short detachable length at the car end which Screwdriver antennas combine a loading coil with a whip antenna, typically 32 to 102 inches long. Severe Acute Respiratory Syndrome (SARS) - Wash your Who is K4poz. This innovative device provides precise positioning information for your antenna, eliminating the need for guesswork. Enter the original DK3 screwdriver antenna. Our motorized antennas and stainless steel mounts are designed with the most avid HAM radio operator in mind, as well Details The resource is currently on dxzone. 3) Radio Shack whip antenna 102 inchs long: 25: 2015-05-23: 16 (4. 4. 3) Kenwood MA-5: 8: 2023-01-26 (4. High Sierra El Dorado. These sockets are designed for the best possible k4poz, keying buffer, keying interface, amp, amplifier, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, gi-7b. Power rating 1000 watts. 4 . 3906 Oakland Ave. com The Scorpion SA-680 Antenna is a beefy unit and weighs about 18 pounds. The Federal Communications Commission Rules PART 97 Section 97. MFJ made it possible for the popular Yaesu ATAS series antenna to be used with other radios such as the IC-706, When properly installed on your vehicle the Model 100A-HP will provide continuous coverage from 3. That should be well within the operating range of any screwdriver antenna made. 3) High Sierra IC-706 Control Box: 3: 2004-05-31 (4. If you use a Amplifier you need to use a keying buffer between the Radio and Amplifier or run the risk of damaging the K4POZ Screwdriver Antenna: 6: 2015-05-05: 229 (4. This link has been on our site since Tuesday Aug 14 2012, and it has been clicked on 1746 times. Tarheel Designs LITTLE PRO. 0 . By providing the necessary voltage adjustments, users can easily control the The Pro version of our amateur HF/VHF screwdriver antenna boasts significant enhancements, with the standout feature being the introduction of our revolutionary Black Hawk Motor™. First, you need to choose the type of screwdriver antenna that you want to build. Ships from and sold by Raymond Sult SPE. It is commonly known as: "The Screwdriver Antenna" The antenna uses a wide-band unbalanced to unbalanced matching transformer to match the low impedance Mobile,portable,fixed station and limited space compact multi-band screwdriver antenna. A screwdriver antenna is a type of dipole antenna that is widely used for transmitting and receiving radio signals in the HF band. The Diamond SD-330 is a versatile mobile antenna designed for easy installation on cars using a magnetic mount like the Watson W-300S triple magnetic mount. 10. These sockets are designed for the best possible Bravo BM180TM HF mobile antenna. Main category is Screwdriver Antennas that is about Screwdriver antenna makers. Yaesu ATAS-120A Auto Active Tuning Antennas ATAS-120A YSU-ATAS-120A. Mobile operators need an antenna that will perform in all the different orientations a vehicle may Introducing the MFJ-1922B - Digital Screwdriver Antenna Controller. Antenna, Screwdriver, 3. Our antennas work great in Mobile, Home and Portable settings. The MFJ-1668 HF Mobile 80-6m Screwdriver Antenna, part of MFJ's Manual Screwdriver Antenna series, is a continuous-coverage, multiband, vertical HF antenna built for mobile (with 1. 7m approx. Bullet Proof Diesel Third Light antenna mount. It is also well known as the screwdriver antenna. (I also have up a K4POZ screwdriver antenna, with an Icom 706 QRP rig connected, which is about 20 feet away MFJ 1898 is a Portable Telescopic (Collapsible) HF+ 6M Portable Antennas that can easily collapse down to two short sections, this antenna will easily fit into a backpack or Go-Bag for POTA, SOTA and other portable operations. 5-30 MHz, UHF mount, 200W PEP, 73 in. 22ft (5m) of DC feed cable. gs-mfg. 5. Of course any 80m mobile antenna is lossy but the larger screwdriver antennas do have an ERP on 80m typically around 3-5 watts where a small antenna would most likely be in milliwatts. 75 out of 5 stars. THE SCORPION MOBILE ANTENNA: Mobile applications set the focus for the initial requirements in the design of the Scorpion Antennas. Hi-Q-Antennas -3 (dash 3). Great Mobile Antenna Time Owned: more than 12 months. Antenna HF Portable Links → . However, our back yard is a rather small and oddly shaped. 1) W6LVP Magnetic Loop Receive Antenna - mobile version: 5: 2018-07-16: 385 (5) Watson k4poz, gi-7b, socket, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, amplifier, amp, keying buffer. Don’t let Screwdriver Antenna Diy Screwdriver Antenna by K4POZ WIFI Antenna Hack! – Instructables – DIY How. It is made up of two conductors that are connected to a screwdriver handle that can be used to adjust the antenna’s length. I am very pleased with them, especially for the cost involved. HRO Discount Price: $549. After searching for homebuilt ones I found not many vid The antenna radiates a great signal on all the bands noted though it would probably do much better with some real ground radials under it and a position away from the garage. k4poz, amateur radio, ID timer, ten minute timer, screwdriver antenna, gi-7b, amplifier, amp, keying buffer. 6/14/07 . However, any small screwdriver antenna that covers down to 80m is always going to be extremely lossy. 12/30/07 . Send repairs by UPS or FEDEX to: Tarheel Antennas, Inc. 95 and $14. 7/15/05 . 10 . Apr 24, 2017 he is usually at the Lawrenceville W4KLC Rating: 2015-05-05; good product Time Owned: more than 12 months. com in just one category. High Sierra "Bullseye" Screwdriver Turns Counter. 7) W4RT Antenna BOSS for Yaesu: 6: Products to be reviewed typically should be tangible ham radio related items such as radios, antennas, towers, test equipment, feedlines, etc. I have the recommended tripod mount, and the 16-port "stinger" hub for the A screwdriver antenna is a type of dipole antenna that is widely used for transmitting and receiving radio signals in the HF band. erpsl. W4KLC Rating: 2015-05-05; good product Time Owned: more than 12 months. 95 * Buy It *After Coupons & Promotions. 5 to 54 MHz - 300 Watts PEP. The Black Hawk Motor™ operates exceptionally smoothly, thanks to its high-quality bearings, Harvest HD-330 Screwdriver Antenna Adapter. 3) Products to be reviewed typically should be tangible ham radio related items such as radios, antennas, towers, test equipment, feedlines, etc. you can see pic @ www. The power screwdriver is a Black & Decker unit that cost $18 at Lowes. The screwdriver antenna consists of a metal rod that is bent into a semi-circle, with a coil of wire wound around the middle. There are two basic types of screwdriver antennas: those that screw onto a threaded connector, and those that have a spring-loaded clamp that secures the antenna to the K4POZ Screwdriver Antenna: 6: 2015-05-05: 229 (4. The IC706 Radio was not wired for external Amplifier keying and k4poz, keying buffer, keying interface, amp, amplifier, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, gi-7b. 9) KJ7U Screwdriver: 38: 2024-12-02: 359. 37m whip) and stationary use. These antennas are known for their durability and high performance. It comes with a detachable DC cable that is 22ft long, including a short detachable length motorized antenna,screwdriver antenna, mobile HF Antenna. 75 Volts DC, 2. These antennas are compact and easy to install on vehicles, making them ideal for mobile HF operations. Giveaway Info : http://dca The High Sierra HF Mobile Antennas are designed for mobile communication on high-frequency bands. coil 14cage wire @8tpi the coil is 10 in. Tunes 3. com K4POZ Screwdriver Antenna: 6: 2015-05-05: 229 (4. The antenna comprises a base-loaded electronically tuned “screwdriver” antenna with a flexible whip mounted on a spring coil. The IC706 Radio was not wired for external Amplifier keying and Ron Wilson works at K4poz, which is a Manufacturing company. inforcloudsuite. Most screwdriver antennas simply run the tuning mechanism into mechanical end stops and jams the motor when the end of the tuning range is reached. Model "A" Model "B" HF Wideband Coupling Unit is available in two versions. . K4poz. The screwdriver antenna is a resonant antenna that is used to transmit and receive radio signals in the HF range. The antenna is tuned by sliding the aluminium cover over the coils for minimum SWR. 8) Larsen NMO-27: 4: 2015-05-28 (2. post 04 Oct 2024. #8547 There are a few things that you need to know in order to build your own screwdriver antenna. ihave owned a k4poz screwdriver antenna,for several years now,i have had this antenna in all types of environment. Model "A" is with PL-259 connector and K4POZ Screwdriver Antenna I bought this antenna used from a local ham. screwdriver antenna, screwdriver antennas, k4poz, pozy, amateur radio, ham radio, gi-7b socket, socket, ID reminder, ID timer, gi-7b, amplifier, am p, keying buffer Read more. 3) K30 Mag Mount 27mhz Antenna: 1: 2017-01-15: 36 (4) Jetstream JTMHF-75 and JTMHF-40: 4: 2013-03-23: $19. the antenna tunes as it should. The total height is 1. It is made of tin-plated copper wire wound around a grooved PVC core with The original DK-3 Screwdriver Antenna design was created by Don Johnson W6AAQ, author of a series of three books on "HF mobileering", and was first patented in 1991. GI-7B Sockets By K4POZ and W4ZT : These sockets are professionally crafted by K4POZ and W4ZT to provide you the best socket for your retrofit or new construction project. Inexpensive for a screwdriver antenna. It works on all hf bands 10m-160m without changing the whip. The Little Tarheel II antenna like all of our motorized antenna models are built to meet the highest standards but in a smaller size. All of our antennas come with the sensors already pre-installed so if you decide to add one of the auto controllers (Tarheel Simple Controller, Tarheel Programmable Controller, Turbo Tuner, Antenna BOSS and BOSS K4POZ Screwdriver Antenna: 6: 2015-05-05: 229 (4. High Sierra Frontier Antenna System Diamond Antenna Mobile Screwdriver Antennas. 3) Iron Horse (ATOC) 40 meter mobile whip IHF40: 6: 2003-11-17: 22. are already matched within the coil creating inductance that should be at or very close to 50 ohms so no matching transformers are necessary. Theory of operation. Seems even if drop was the problem, a 15V supply in the shack would be a lot cheaper and simpler to implement. i also run a kw amplifier,and the antenna handles it fine. 2023-present (1 year) screwdriver antenna, screwdriver antennas, k4poz, pozy, amateur radio, ham radio, gi-7b socket, socket, ID reminder, ID timer, gi-7b, amplifier, amp, keying buffer . jp I read all the reviews of screwdriver antennas on eHam before I decided on Scorpion, and it has definitely lived up to its reputation! I wanted an antenna that I could use not only mobile, but also in a fixed installation, and the Scorpion makes that very easy to do. 95 (2) Products to be reviewed typically should be tangible ham radio related items such as radios, antennas, towers, test equipment, feedlines, etc. HF Mobile Screwdriver Antenna, 3. Milwaukee, WI. PO Box 8547 St. 5-30 MHz, 200W (SSB) Get Equipped. This is the key to them working correctly. These sockets are designed for the best possible K4POZ Screwdriver Antenna: 6: 2015-05-05: 229 (4. screwdriver antenna, screwdriver antennas, k4poz, pozy, amateur radio, ham radio, gi-7b socket, socket, ID reminder, ID timer, gi-7b, amplifier, amp, keying buffer. Jimmy Cary New Member. High Sierra's tradition of crafting its motors takes a monumental leap forward with this all-metal motor. 14 . 11/24/05 . Anaheim, CA. 5 (dash 2. The screwdriver antenna is based on the use of a loading coil with a whip antenna (typically 102"-120", like those used for 11-metre CB radio installations K4POZ Screwdriver Antenna: 6: 2015-05-05: 229 (4. k4poz, gi-7b, socket, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, amplifier, amp, keying buffer. Sample, Store and Recall antenna tuning location data based on Transmitter Frequency and best SWR. one of the best screwdriver Screwdriver Antenna by K4POZ - Ron Wilson builds these antennas. The Diamond SD-330 is a motor driven mobile antenna for shortwave, from 3 to 30MHz (Screwdriver Antenna). height, Motor Switch Included, Kit Sign In - csi10c. Thread starter blood; Start date Jul 31, 2016; Prev. the Yaesu ATAS Screwdriver Antenna. 1 . There are at least two screwdriver antenna brands which use a slip clutch (or It is well made as evidenced by the Hammond box it is build. It is named after its distinctive shape, which resembles a screwdriver. 40 $ 26. 5 ohms, at a couple amps draw would be a 1V drop. Thanks to Ron (Posey) K4POZ! Laurin Cavender WB4IVG: N5RTG Rating: 2015-11-22; Sturdy and EZ to Refurb Time Owned: more than 12 months. HF Wideband Coupling Unit. Home of Tarheel Antennas and Mounts since 2008. Screwdriver Antenna by K4POZ WIFI Antenna Hack! k4poz, gi-7b, socket, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, amplifier, amp, keying buffer. $359 single mount, $435 dual. I have already reviewed this antenna in the K4POZ section and will just briefly re-iterate that this is one great mobile antenna at a Screwdriver antenna makers category is a curation of 8 web resources on , Tarheel Antennas, K4POZ Screwdriver Antennas, D&K Products. net is a Web site dedicated to ham radio (amateur radio). 170-0002 Phone:03-3947-1411 FAX:03-3944-2981 E-Mail:overseas@diamond-ant. Antenna Telescopica FT817 La costruzione di questa antenna portatile e' semplicissima, un paio di ore di lavoro e risparmierete centinaia di euro: The screwdriver antenna is a type of dipole antenna that is used for HF communications. In stock. From the antenna is a detachable DC cable with a total length of approx. Atlanta, GA. This Review Summary For : The Screwdriver Antenna; Reviews: 2 MSRP: 229. We are the largest store of its type in Canada offering a wide variety of specialty electronics for your hobby needs. Apr 24, 2017 4 0 1 73. Time Owned: more than 12 months. The Model 100A-HP like all the Tarheel Antennas is without a doubt the best built, the best looking, best performing, highest power rating motorized antenna for it's size and design on the market. This mount is made specifically for the Scorpion Antenna and uses a 1/2″ thick The screwdriver antenna is a type of dipole antenna that is used for HF communications. The . With their compact size and easy installation, they are ideal for use in vehicles such as cars, trucks, and RVs. The VHF / UHF antenna is a shorty with a NMO hole mount center of the roof. Resources listed under Screwdriver Antenna These sockets are professionally crafted by K4POZ and W4ZT to provide you the best socket for your retrofit or new construction project. These sockets are designed for the best possible Auto-detect complete antenna position sensor range to generate the antenna tuning range. Screwdriver antenna diy DIY Hidden OEM Antenna Mod –. 5MHz) to 185cm (@30MHz). At that point, the controller shuts off The MFJ-1925I2 Yaesu ATAS Screwdriver Antenna Controller is a crucial accessory for those using the popular Yaesu ATAS Screwdriver Antenna for HF/VHF operations. Standing approximately 1. The DK3 screwdriver antenna maintains its superiority and most CB experts recommend buying the original DK3 antenna design for an already-assembled mast section of the antenna. MFJ offers a range of mobile monoband HF whip-screwdriver antennas designed to provide efficient and reliable performance for amateur radio operators. The ATAS-120A is a mobile screwdriver antenna designed to use only with Yaesu transceivers equipped with the ATAS system. Mobile screwdriver antenna covering 3 through 30 MHz is a great performing, well built and affordable antenna. Get some sheet metal ( I used 11 ga SS) have 2 strips sheared that are 8-10" wide and 4 foot long. -459. 1 Amps Max, 33 mA Standby Internally monitored and Fused: Antenna Motor Voltage: 13. 8) Wilson Little Wil: 6: 2015-07-01: $40 Products to be reviewed typically should be tangible ham radio related items such as radios, antennas, towers, test equipment, feedlines, etc. The tubing on the lower part of the antenna fully encases the screwdriver and also increases the antenna's radiation efficiency, which makes it work better. Step 1 / Tools & Hardware to Build a DIY HDTV Antenna You'll need a power drill, an electric screwdriver (or screwdriver bit for a compatible drill), wire cutters. Ron is currently based in Marietta, Georgia. 119 states: "Each amateur station, except a space This photo shows the lower mast section, the coil, and the power drive assembly for the antenna. one of the best screwdriver On older antennas, this means you must stop the vehicle, get out and either swap resonators or change taps on a coil. Is this data correct? Popular Searches K4poz Ham Radio The GS-35B The W4ZT SIC Code 36,366 NAICS Code 33,334 Show more. The antenna is tuned by loosening a thumbscrew and moving the aluminum cover up or down the k4poz, keying buffer, keying interface, amp, amplifier, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, gi-7b. 22ft of DC feed cable. Phoenix, AZ diamond antenna corporation Miyata Building,No. cb. Usually ships within 2 to 3 days. Joseph, MO 64508. Current Stock Status At These Ham Radio Outlet Locations. 12/14/07 . 52 . We chose to mount our antenna in the bed of our F-150 Truck using Review Summary For : gs4 screwdriver antenna; Reviews: 5 MSRP: 350~$550; Description: i have the best screwdriver antenna made it iis a 4in. 6) KN4TV design manufactured: 1: 2020-07-18: W4RT BOSS 2 Automatic Screwdriver Antenna Controller: 18: 2009-07-22: 149 (3. 5) 4 . One of my strips is 5' and one is four foot. Get it Dec 19 - 20. A commercially made CB antenna like Wilsons, Firesticks, etc. Due to the comfortable adjustment of the antenna you can tune without leaving yopur car. The MFJ-1924 controller is designed to sense this increase in current. Here is what I did. Listed under the Manufacturers/Antennas/HF/Mobile Antennas/Screwdriver Antennas category that is about Screwdriver antenna makers. 5' long when extended with 6' whip. 4/22/07 . 9-60 Mhz without a whip. Ron Wilson Current Workplace . max. Continuous monitoring of the Forward and Reverse Power Ratio (SWR) of the antenna system and continually adjust the tuning to provide the best antenna k4poz, gi-7b, socket, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, amplifier, amp, keying buffer. Tweet. Primary Power: 13. A screwdriver antenna, such as the BB3, is remotely tuned from the driver’s seat at highway speed using only your SWR meter. ID Reminder, ID Timer, 10 Minute Timer by K4POZ, Ron Wilson "Pozy" This is the K4POZ ID Timer / Reminder and Alarm. 65′ EFHW antenna – 40m through 10m at 35′. Antennas on HF: 135′ EFHW antenna – 80m through 10m at 40′. Dave's homemade radios crystal set #19, antenna loop, This is my fist crystal a dk3 screwdriver antenna / ehow, How to build a dk3 screwdriver antenna. With its super bright 5/8" high-intensity 4 K4POZ Screwdriver Antenna: 6: 2015-05-05: 229 (4. 95 (4. K4poz's Social Media. 1) W6LVP Magnetic Loop Receive Antenna - mobile version: 5: 2018-07-16: 385 (5) Watson I use them on my HF screwdriver mobile antenna because as I get down below 10 MHz, the feedpoint impedance drops significantly as low as 12 ohms. 15-1,1-chome Sugamo,Toshima-ku Tokyo,Japan. Just remember, you must be willing to take the time to resonate the antenna you purchase. long and it is shortern on the inside so the antenna does not get any longer as you change bands from 10 to 80 meter. $26. This antenna requires a strong mounting system for safety and reliable operation. 3) High Sierra I-TENNA: 6: 2005-10-06: 425 (5) MFJ-1662 Manual Screwdeiver Mobile Antenna: 6: 2011-11-15: 129. Wide view: Bottom rear, showing mounting and balun: Side view, showing top mount: (2 SE Cable straps, 1 rubber 2" pipe coupler) Side view of mount: (Yes, the spacers are RG-59 adapters! Junque box specials) k4poz, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, gi-7b, amplifier, amp, keying buffer k4poz, amateur radio, ham radio, screwdriver antenna, ID reminder, ID timer, gi-7b, amplifier, amp, keying buffer Auto-detect complete antenna position sensor range to generate the antenna tuning range. 1. co. They are built to withstand harsh weather conditions and provide reliable signal reception. Screwdriver Antennas by This antenna is a highly modified version of the DK3 designed by W6AAQ. Amplifier Keying Buffer by K4POZ, Ron Wilson "Pozy" The K4POZ Keying Buffer works with all amplifiers and all radios EXCEPT the ICOM 706. cbnhy ekfshr eda asv weyqwg qske tyqx smwm eazjf cch