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Momobeam ham radio antennas designed for performance and durability
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HF Antennas

Displaying ads 191 to 198 of 198 ads in this category.
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 Sigma SE HF-360 FIBRE GLASS VERTICAL RAD  
I HAVE A NEW VERTICLE ANTENNA, IT WAS SET UP BUT TOO CLOSE TO THE POWER LINES , SO WE TOOK HER DOWN.
Sigma SE HF-360 FIBRE GLASS VERTICAL RADIAL FREE ANTENNA 80 TO 6 METRES. $100 + s/h


Listing #1726667 - Submitted on 04/21/25 by Callsign WB2BOB - IP: syn-104-229-161-233.res.spectrum.com
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 72 ft Tower and Steppir system: Portland  
72 ft Tower and Steppir system:
Tashjian
LM-470 Motorized crank-up with positive pull-down
Limit switches and base:
Tower was painted dark green after mfg.
RTL (Raise and lower from remote location, wired)
TB-2 Thrust bearing
AD-100H 10ft mast
TA 70L (LM354HD &LM470E
CDR rotor plate LM-470
CO-4 Stand off LM-470
Steppir: 4 element w/40M
4848 TS990 /Flex interface board
S18 Cable. 9 Pin RTS
S12 Cable 9 Pin crossed
SAA100 Tuning Relay (Xmit interlock)
SDA 100 Driver Board
6-20M 4 element SteppIR Yagi 36ft boom.
40 Meter delta loop
Truss kit for beam
16 conductor cable 225ft
Connector Junction box 4 element
Green Heron RT-21 controller
Yaesu G-2800 Rotor w/ connectors
Includes all cables
Everything works as new.
In Portland OR.
The cost for all items today is about $27,000.
Sell package (no partial sales) for $18,500.
Seller will take the tower etc. down, buyer to pick up or pick/ship.
Buyer must be present onsite to take delivery and pay in cash or with verified funds.
No foreign sales


Listing #1722291 - Submitted on 03/14/25 by Callsign KY6N, Modified on 04/21/25, Web Site: http://ky6n.com - IP: 47.208.140.230
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 502 strain insulators  
I’m have more but immediately available are 40 brand new 502 insulators. They are about 3-1/2” long. Perfect for 3/16 or 1/4” guy wire. These typically sell for over $7.00 each. I’ll sell 40 of them for $200 with free shipping. If you need a smaller number you will have to pay for shipping. Picture shows 6 but I’ve probably got a hundred or so if you need more.

Listing #1726550 - Submitted on 04/20/25 by Callsign K5GO - IP: 172.59.224.211
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 DXE 40m phased vertical array system,
working pull, DX Enginnering DVA-40B with control box and both tuned cables. Cables were installed in conduit, so pretty good shape. All works as it should. https://www.dxengineering.com/parts/dxe-dva-40b-p
paypal ok, 550.00 shipped to US zip code. **NOTE** no antennas included, indoor control box, outdoor phase box, and both 1/4 tuned cable stubs.


Listing #1722384 - Submitted on 03/15/25 by Callsign WW3S, Modified on 04/20/25 - IP: dynamic-acs-72-23-124-244.zoominternet.net
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 Optibeam-11-5   
The Optibeam OB-11-5 will be on the ground in 2 weeks if all go's as planed. The antenna is 10 years old and in good working order. I'm posting a picture that was taken yesterday .
Optibeam web page : https://www.optibeam.info/index.php?article_id=80&clang=1
The elements will disassemble, easily , I used anti seize at all joints . I will help disassemble !
Asking $1000.00 OBO
Happy Easter , Ed N5DG


Listing #1726505 - Submitted on 04/20/25 by Callsign N5DG - IP: 71.e8.401f.cidr.airmail.net
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 FS: New Hi Q - Quick Disconnect  
New Hi Q - Quick Disconnect. $125 plus shipping


Listing #1726497 - Submitted on 04/20/25 by Callsign W1JCW - IP: 23-92-13-217.wirestar.net.wirestar.net
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 ANTENNA TUNERS AND HF ANTENNAS  
An antenna tuner used with a poor antenna is NOT a good use of the tuner. Put up a good half wave antenna on 80 or 160 meters FED WTH OPEN WIRE LINE and a good Antenna Tuner will allow you to work all HF bands with good results, equal to or better than a coax fed ½ wave antenna tuned to a specific frequency. Also the tuner and good antenna will allow you to work on any frequency in the ham bands with 1.1 to 1 SWR allowing these fussy solid state rigs to deliver full output. My favorite Antenna Tuner is the Johnson Matchbox balanced line tuner. The Dentron Super Tuner will also give good results even though they use a balun to go from balanced to their unbalanced tuning network. They will also work with coax fed antennas as long as the SWR is not so high that it introduces high feed line loss. The Super Tuner will give good results as long as the untuned SWR is 3 to 1 or less on Coax fed dipole antennas. G5RV’s OCF’s ETC.antennas are OK if you don’t mind a 1 or 2 S unit loss!

Listing #1726325 - Submitted on 04/18/25 by Callsign N0JA - IP: 172.59.105.218
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 Mosley TA-54-XLN6  
I have the antenna off of the tower and the elements off the boom, still assembled. The antenna is in great shape, assembled with nolox so it will come apart easily.This is for local pick-up in Southern Maryland.
Current price from Mosley $1983 my price $800
N3pph at comcast.net


Listing #1726265 - Submitted on 04/18/25 by Callsign N3PPH - IP: c-68-83-212-93.hsd1.md.comcast.net
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ZEROFIVE Amateur Ham Radio Vertical Antennas
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