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

FOR SALE: MFJ-752 Signal Enhancer: MFJ Signal Enhancer, Model MFJ-752, dual-tunable SSB/CW filter. Asking $60, and I will cover the cost of shipping. I am not a HAM, I am the youngest son and the Executor for the estate of W3BNN. Proceeds are for the benefit of the widow's estate. All equipment listed under the W3BNN callsign was in use as of December 2024. Interested parties are encouraged to look at the W3BNN QRZ page. Ozzie was active for 70 years. I will do my best to answer any technical questions with advisory assistance from my father's amateur radio friends of over 60 years.; Listing #1767114 - Submitted on 05/05/26 by Callsign W3BNN - IP: pool-173-66-96-27.washdc.fios.verizon.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Wanted: Icom FL-257 Filter: Looking for an Icom FL-257 filter.; Listing #1767110 - Submitted on 05/05/26 by Callsign N7BB - IP: wireless-128-223-223-7-nat.uoregon.edu; Click to Contact -- Send this Ad to a Friend
Wanted: Icom FL-103 Filter: Looking for an Icom FL-103 Filter or INRAD equivalent.; Listing #1767109 - Submitted on 05/05/26 by Callsign N7BB - IP: wireless-128-223-223-7-nat.uoregon.edu; Click to Contact -- Send this Ad to a Friend
NOBLE RADIO NR-PAN3K Panadapter: This panadapter takes the IF output from Yaesu FTDX 3000/5000 and FTDX-101 D and MP transceivers and allows a high resolution SDR based panadapter to be displayed on your computer. I bought this for a project that I changed course on so it is not needed. I have the printed manual to go with it along with the necessary cables for your Yaesu transceiver. I uses the 9 MHZ IF output from your transceiver. Additonal details https://nobleradio.com/page4.html. Asking $75.00 plus shipping. Zelle, money order or check OK.; Listing #1767106 - Submitted on 05/05/26 by Callsign K1FFJ - IP: 70-16-104-7.ptldme.fidium.ccidns.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
AMERITRON RCS-8V Coax Switch: This Ameritron coax switch is in perfect working order and has been cleaned/painted for it's new owner. I recently installed a remote controlled coax switch in the shack so this RCS-8V is no longer needed. It will control up to 5 coax cables/antennas allowing for one coax coming from the shack to your antenna farm. Additonal details from the MFJ website: https://mfjenterprises.com/products/rcs-8v. Asking $150.00 plus shipping/insurance to Conus. Zelle, USPS money order all OKJ.; Listing #1767104 - Submitted on 05/05/26 by Callsign K1FFJ - IP: 70-16-104-7.ptldme.fidium.ccidns.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
STANCOR GSD-75 AUTO TRANSFORMER: I have available an AUTO TRANSFORMER that can take 230 VAC in and convert it to 115 VAC at 0.65 amps (75 VA). This is NOT AN ISOLATION transformer. $ 20 plus shipping.; Listing #1763115 - Submitted on 03/25/26 by Callsign K3DUA, Modified on 05/05/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FILTERS 455 & 500 KHz & 10.7 & 21.4 MHz: MAKE AN OFFER FOR ONE OR MORE.
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These filters are used (solder on many terminals). They have all been tested and work correctly.
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PRICES INCLUDE SHIPPING in the USA.
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KOKUSAI ELECTRIC MECHANICAL FILTER
MF-455ZL-21H (2 available) - $30 each (both for $55)
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RCA
3460514-7 - C.F 455 KHz, B.W. 12 KHz, wire leads in & out - $12
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Network Int'l, CF 8.56 MHz, BW 400 Hz
Cirtech Corp, CF 10.7 MHz, BW 2 KHz - $30
TYCO Filters, CF 10.7 MHz, BW 8 KHz - $30
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21.4 MHz Center Frequency - $30 each
Networks Int'l Corp
- A-148, BW 3 KHz
- A-148, BW 6.4 KHz (2 available)
- A-748, BW 10 KHz (3 available)
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DON'T LIKE MY PRICES? - - MAKE AN OFFER - - MAKE AN OFFER!; Listing #1764430 - Submitted on 04/08/26 by Callsign K3DUA, Modified on 05/05/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend
HAMFEST GOODIES: - Bencher BY-1 with MFJ-422 keyer - $135
- BIRD
- - wattmeters 43, 4430 wattmeters
- - Actual BIRD replacement 30 uA meter movements (not Chinese clones)
- - elements for the 43 series
- - QC connectors
- - line-sections (single and dual element)
- - Attenuators, 10, 25, 50 and 100 watts, 10 dB & 20 dB
- Dummy loads, 5 watts to 500 watts
- DRAKE
- - High-Patch - $20
- - MN-7 - $100
- Heathkit
- - SA-2060A (case rough)- $250
- JOHNSON
- - Navigator - $400
- KENWOOD
- - VFO-180 (with cable) - $60
- - KSC-8 & KSC-8A chargers - $15 each
- MFJ-564B - PADDLE (Black) - $70
- Nye-Viking MB-V-A tuner - $300; Listing #1765805 - Submitted on 04/22/26 by Callsign K3DUA, Modified on 05/05/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend
BIRD COAX SWITCH - REDUCED: MAKE AN OFFER - - MAKE AN OFFER
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One BIRD model 74, 6-position coax switch, with a NON-STANDARD KNOB and NO DIAL PLATE. $125 shipped in the USA.; Listing #1762972 - Submitted on 03/23/26 by Callsign K3DUA, Modified on 05/05/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend
DO YOU NEED AN UNUSUAL RF ADAPTER?: Do you need an unusual, hard to find RF adapter? I have a large collection of between series adapters including HN, TNC, C, twin-ax and LC adaptors as well as the more common N, BNC, UHF, and RCA adapters
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Describe the adapter you want. What connector series do you want on each end of the adapter and do you want each end of the adaptor to be male or female. Also how many of each adapter you want.
As an example: "I want 3 adaptors - male HN to female BNC."
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Send me your WANT list and I will get back to you with a list of what I have to meet your request.; Listing #1766477 - Submitted on 04/29/26 by Callsign K3DUA, Modified on 05/05/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend