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 RADIOANQ - Drake R-4C Receiver Faceplate 
- This is as new - see photo. Not sure if this is an original or a reproduction; it looks like a factory piece to to me.
$55, shipping included.
Payment via USPS "postal" m/o
- Listing #1743134 - Submitted on 09/14/25 by Callsign KJ6NKX, Modified on 09/17/25 - IP: syn-174-083-251-235.res.spectrum.com
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 RADIOHF - Wanted: Drake 1A Receiver
- I am searching for a Drake 1A receiver. It must be in original and unmodified condition and in excellent physical shape. Please reply with pictures, price and contact phone number. Thank you! Gene
- Listing #1743330 - Submitted on 09/16/25 by Callsign KA6NNR - IP: c-73-62-66-30.hsd1.fl.comcast.net
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- RADIOHF - Drake R-4C Receiver
- Drake R-4C Receiver. Was working here with the complete C-Line, but audio has stopped properly working. Still receives very strong signals and calibrator signal, but very weak. Has power supply mod for cool operation. SN 22980 $150 plus shipping. tks, Burt, W3IO
More Photos at https://washingtondc.craigslist.org/nva/ele/d/arlington-drake-4c-amateur-radio/7881897017.html
- Listing #1743297 - Submitted on 09/16/25 by Callsign W3IO - IP: pool-96-255-15-182.washdc.fios.verizon.net
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- RADIOHF - Yaesu FT-DX10
- Yaesu FT-DX10-$1150, plus shipping. This transceiver is in flawless condition. The package includes all accessories, the original box, and manuals. It is 2 years old and used sparingly as a backup radio.
Hybrid SDR Configuration:
The new FTDX10 utilizes Yaesus Renowned Hybrid SDR configuration just like the FTDX101 Series.
The Narrow band SDR receiver emphasizes excellent receiver performance, while the Direct Sampling SDR provides a Digital Processing Real-Time Spectrum Scope.
Main Features:
Narrow Band SDR with 3 types of Roofing Filters
Phenomenal Multi-signal receiving Characteristics
The receiver uses a Down Conversion Configuration with the first IF at 9MHz affording the receiver the ability to incorporate excellent narrow bandwidth crystal roofing filters that have the desired sharp “cliff edge” shape factor.
250MHz High Resolution Direct Digital Synthesizer affords Quiet and Clear Reception
3DSS (3-Dimensional Spectrum Stream) on the 5-inch Full-Color TFT Display with Touch-
- Listing #1743262 - Submitted on 09/15/25 by Callsign N2JF - IP: syn-047-007-177-023.res.spectrum.com
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- RADIOHF - FOR SALE: Kenwood TS-850S-AT
- Kenwood TS-850S-AT $400
TS-850S-AT (S/N 80500022): Has had capacitors replaced, battery backup changed. Full power. Nice radio, TS-850s have a nice receiver.
Filters: InRad #103 400Hz CW (8830kHz IF), InRad #104 400Hz CW (455kHz IF), InRad #94 1.8kHz SSB (8830kHz IF), stock KW SSB filters. InRad are top of the line filters.
Manual (w/schematics) + Service Manual (copy without colored schematics)
Pictures: https://www.w6ze.org/FOR-SALE/KI6X_Sale.html
FREE pickup/local delivery - Orange, CA (zip 92865)
- Listing #1743245 - Submitted on 09/15/25 by Callsign KI6X - IP: syn-104-035-083-104.res.spectrum.com
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- RADIOHF - Elecraft K3 KRX3 Sub Receiver
- ELECRAFT K3 K3S KRX3 SUBRECEIVER - OPTION -
$359 delivered check , Zelle, or PP FF ok.
$309 with a k3 or P3 purchase.
Or trade for something I can use ??
Removed from a working radio - see list of what you get :
SUBRECEIVER
DSP BOARD
MIXER BOARD
NOISE BLANKER BOARD
KNB3 SUBIN BOARD
KNB3 SUBOUT BOARD
4 TMP CABLES
HARDWARE
KSYN3 - Original version SYN board.
Please see pictures of everything included.
This is a stock picture,as I had 2 of these.
I think everything in this option kit is unavailable at this time from Elecraft,and may never be made again .
Will fit your K3 or K3S rig. If installing in a K3s, or a K3 with a newer SYN board,you will need to get a newer KSYN3A board.
I usually have these in a separate listing.
I think these were around $800 when available.
You will need to obtain filters if you need them,but they are easy.
I have them listed in a separate listing.
Happy to help you if you are not 100% sure how to do this !
Larry k6ro
- Listing #1734490 - Submitted on 06/29/25 by Callsign K6RO, Modified on 09/14/25 - IP: syn-067-253-101-060.res.spectrum.com
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- MISC - MFJ-640 NEW and Unused
- 2-Radio Headphone Selector/Mixer NEW and Unused - $50 CONUS includes shipping.
MFJ-640 combines or selects audio from two different receivers -- Great for operating "split" for HF contests and DXing, or cross-band for VHF/UHF satellite.
Just connect the audio output of two receivers to the two 3.5mm audio connectors
on back of the unit. Then plug in your stereo headphones and you are ready to go.
MFJ-640 provides both 1/4” and 3.5mm stereo headphone jacks -- no need for adapters!
From the front panel you can select the audio output desired - Mix, Radio 1,Stereo, or Radio 2. In the Mix mode both radios are combined in both the left and right earphones, and the audio mixing levels between the two radios are controllable. In the Stereo mode, Radio 1 is heard in the left ear and Radio 2 is heard in the right ear.
Compact 4 3/4W x 2 1/8H x 5D inches.
- Listing #1743120 - Submitted on 09/14/25 by Callsign WW4LL - IP: 104-176-164-168.lightspeed.tukrga.sbcglobal.net
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- RADIOANQ - ORIGINAL PARTS for HRO-5 NATIONA RADIO
- .
For sale set of 3 original vintage parts for Pre WW2
National Company Radio Receivers Model HRO-5.
.
Actual parts are:
Signal S-Mter, one control knob and a 2-poles connector for
connecting antenna and ground.
All 3 parts are in a very good condition.
.
Asking $25 plus shipping. Will ship Continental US only.
Payment by USPS Money order or by Personal Check,
(3 days waiting period for personal checks).
- Listing #1742121 - Submitted on 09/05/25 by Callsign KB9OLM, Modified on 09/12/25 - IP: c-73-252-208-133.hsd1.ca.comcast.net
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- RADIOANQ - i have 46 plug-in coils for national hro
- i have 46 plug-in coils for national hro. i have a hro-500 2 hro 60 1 hro 50 1 hro american airline 1 hro junior and 12 hro of wwii and before. i am missing an hro-7.i would to like to trade 1 more of these items for a hro-7. btw i have more than a 100 communication receivers.tell what you want and hope we can make a deal
luc ve2lgj 73s
- Listing #1742968 - Submitted on 09/12/25 by Callsign VE2LGJ - IP: 162.156.230.36
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- RADIOVHF - WTB: Hamtronics 6 mete Tx and Rec boards
- I'm still looking for Hamtronics 6m boards. The R100-50 6m receiver and a TA51-50 6m transmitter boards. Might be interested in a complete Hamtronics REP-200 6 meter repeater.
Assembled or still in kit form is okay.
Please email with what you have, condition of boards and price shipped to me in Maynardville, TN.
My address is good on QRZ.
Your email must be good on QRZ to protect against scams.
Thanks,
Dan
WD4LUR
- Listing #1739604 - Submitted on 08/13/25 by Callsign WD4LUR, Modified on 09/12/25 - IP: c-73-121-185-124.hsd1.va.comcast.net
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