QTH.COM Ham Radio Classified Ads - Swap amateur radio HF VHF equipment buy sell trade on line

TEST - BIRD SAMPLER ELEMENT, 25-1000 MHz: I have available for sale a BIRD Sampler element rated at 50dB down coupling from 25-1000 MHz with up to 500 watts going through the wattmeter. Simply plug this into your BIRD 43 and then look at sampled output on a spectrum analyzer or any other test instrument.
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$99 shipped in the USA.; Listing #1763110 - Submitted on 03/25/26 by Callsign K3DUA - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
TOWER - New Hardline grounding kits: Ground your tower and/or hardline. These are (NOS) new old stock, RFS ground kits for 1-5/8" hardline cable, but could be used for other sizes. RFS part #. Will work on Andrew 1 5/8" hardline. Replace the end clamp and use on any size hardline. Resize the strap and use for grounding your tower legs.Kit comes with:
(1)one fresh roll of 2-1/2" x 24" butyl tape (Rubber coax sealer)
(1) one #6 copper ground wire w/lug kit and stainless hardware
(1) one roll of 3/4" x 66' black electrical tape.
Five (5) complete kits for $69 shipped.
If you have any questions call 301-233-0910. Thanks, Dave N3EJT; Listing #1763109 - Submitted on 03/25/26 by Callsign N3EJT - IP: 152.sub-174-216-154.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
AMPHF - **KPA500 RF Power Monitor/WiFi remote**: **KPA500 RF Power Monitor**

*Real-time monitoring for Elecraft KPA500 owners*

Six critical parameters — Power, Voltage, Current, SWR, Temperature, and Band — displayed simultaneously on a high-contrast 256×64 OLED. No menu cycling. No squinting. 10 updates per second.
Built-in WiFi streams live data to any smartphone, tablet, or browser — no app required. One-time 5-minute setup. Access locally via *kpa500.local* or remotely via Tailscale from anywhere in the world.

✦ 500ms intelligent peak hold on power output
✦ WebSocket web interface with retro terminal aesthetic
✦ Remote Power ON/OFF and Operate/Standby control
✦ Over-the-air firmware updates
✦ OLED works independently of WiFi — always
Plug-and-play RS-232 connection. No amplifier modifications. Assembled and tested. Cables included.

**4″ × 2″ × 4″ · 9–14.8V DC · 100mA**

*Built by hams, for hams.*

---$199 plus $10 shipping; Listing #1763051 - Submitted on 03/24/26 by Callsign KV5J, Modified on 03/25/26, Web Site: http://www.kv5j.com - IP: customer.mmmiflx1.isp.starlink.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
TEST - F/S BIRD ELEMENTS FOR MODEL 43: I have the following used, and tested, BIRD (or Coaxial Dynamics equivalent) elements available:
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SHIPPING IN USA FOR ONE ELEMENT IS $8. ADD $1 FOR EACH ADDITIONAL ELEMENT.
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BUY 4 ELEMENTS, OR MORE, AND SHIPPING IS FREE.
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0.45-2.5 MHz
- 1000P, 5000P, 10000P - $135 each
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2-30 MHz
None at this time
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ALL VHF & UHF elements - - $45 each
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25-60 MHz
- 50A, 100A
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50-125 MHz
- 5B, 10B, 25B, 50B, 100B, 2500B(PEAK), 10KB(PEAK)
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100-250 MHz
- 5C, 10C, 25C, 50C, 100C, 250C
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200-500 MHz
- 5D, 10D, 25D, 50D, 100D, 250D
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400-1000 MHz
- 5E, 10E, 25E, 50E, 100E, 250E; Listing #1762417 - Submitted on 03/18/26 by Callsign K3DUA, Modified on 03/25/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend
RADIOHF - Kenwood TS-520S: Local cash deal, no shipping, will meet near Binghamton NY.
TS-520S good shape, no smoke, loads up nicely, good RX.
With AC cord and manual, no mic.
$150 cash. Feel free to make an offer. Scott K2GTO; Listing #1762985 - Submitted on 03/24/26 by Callsign K2GTO, Modified on 03/25/26 - IP: 172-76-226-204.adr01.nrwc.ny.ip.frontiernet.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
MISC - Autek Research WM1 combo platter: - The meter on the left works good, but has minor cosmetic flaws.
- The meter on the right also works good, but both meter lenses have a hairline crack and the AVG/PEAK switch has been replaced.
- Also included are two NOS 2-position switches that will work for the ON/OFF or AVG/PEAK function.
- $150 shipped free to the 48 states for everything. Paypal F&F (not G&S), check, or money order. Feel free to make an offer. Scott K2GTO; Listing #1762997 - Submitted on 03/24/26 by Callsign K2GTO, Modified on 03/25/26 - IP: 172-76-226-204.adr01.nrwc.ny.ip.frontiernet.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
RADIOHF - FOR SALE: Yaesu FTDX3000 Transceiver: FTDX3000 in excellent condition. Works fine, like new, no issues, Full power output. From Non-smoking shack. Includes manual, power cable, hand mic. Original packaging. Box in a box in a box. This radio is surplus to my needs at this time. $800 + 1/2 shipping costs to US address only. USPS Money Order or Zelle.; Listing #1762383 - Submitted on 03/18/26 by Callsign W3DL, Modified on 03/25/26 - IP: h88.67.187.173.dynamic.ip.windstream.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
BOOKMAG - For Sale: Kenwood AT-250 Manual: For Sale: Original Kenwood AT-250 manual. $15 mailed in the USA. It is complete and in excellent condition. Contact Ron in Mass. at 413 538 7861.; Listing #1763108 - Submitted on 03/25/26 by Callsign K1BW - IP: hge14-210.hge.net; Click to Contact -- Send this Ad to a Friend
RADIOHF - WANTED: Yaesu MD1C8 Mic Cable: Want to buy the dual end 8-pin connecting cable from the Yaesu MD1C8 desk mic to the 8-pin mic connector on a Yaesu transceiver. Do not want the modular connector cable, only dual end 8 pin. Please send photo and price shipped to 78633. Will pay with Paypal and cover fees. Thanks for your help.; Listing #1763107 - Submitted on 03/25/26 by Callsign N5XJT - IP: r74-192-148-154.gtwncmta01.grtntx.tl.dh.suddenlink.net; Click to Contact -- Send this Ad to a Friend
DIGITAL - MMDVM Hotspots For DMR C4FM and Others: Latest WPSD software, works simplex or duplex like a little repeater.
Recently build New. Supports DMR, P25, D-Star and System Fusion. Raspberry pi 3B with Duplex MODEM and OLED display. You can use WIFI or ethernet. I built it on a plexiglass base with rubber feet, I also a plastic case version that fits it pretty well. Size of a pack of cigarettes. The little one is a pi zero 2 w metal case with wifi only. Your choice $100 shipped. Comes with USB power cord if you need power supply add $10. Comes mostly configured. I have over 50 years in electronics. TNX Steve K9CZ Paypal FF or send a check. I'm good on QRZ.; Listing #1762274 - Submitted on 03/17/26 by Callsign K9CZ, Modified on 03/25/26 - IP: c-98-220-50-113.hsd1.il.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend