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 RADIOHF - SunSDR2-Pro 
- SunSDR2 PRO HF, 6m & 2m Transceiver - SunSDR.eu
The SunSDR2 PRO is a compact 20W HF/6m and 7W 2m (15W/7W typical) Direct Sampling SDR transceiver designed for high-performance contesting and DXing. It features a LAN interface for remote operation, supporting up to 80 MHz wide bandscope and dual-channel receiver. The rig requires 12–16V DC and offers exceptional receiver sensitivity (MDS below -131 dBm).
1,200.00 free shipping , I accept zelle, paypal money order and credit card (3.5% charge)
- Listing #1765907 - Submitted on 04/23/26 by Callsign WA4EV - IP: c-73-205-189-164.hsd1.fl.comcast.net
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 MISC - RECEIVER FILTERS FOR VARIOUS RADIOS
- MAKE AND OFFER - - MAKE AN OFFER
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Estate find - - a large box of various crystal and mechanical filters.
All prices include shipping in the USA
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KENWOOD
YG-455CN-1 - - $85
YK-88C-1 - - $70
pc board (X48-3110-00) from a TS-50S with one stock SSB filter and room for an optional CW filter - $50
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DRAKE
SL-500 - - $85
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ICOM
FL-32A - - $60
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YAESU
2-1/2 inch square pc board with 3 Yaesu crystal filters listed below- - $99:
- XF-8.2M-602-01
- XF-8.2M-501-01
- XF-8.2M-242-02
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INTERNATIONAL RADIO CORP (INRAD).
#99 - 455 KHz, 400 Hz - - $80
#760 - 9000.75 kHz, 250 Hz, on pc board - - $90
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COLLINS
F455FA21 6411 (526 9427 00) - - $75
F455Z4 1V2 (265 9364 00) - - $75
Five spring mounting clips that hold the top of the plug filters in a 75A series receivers (these look like large fuse clips)- - $25 for all 5.
- Listing #1760933 - Submitted on 03/04/26 by Callsign K3DUA, Modified on 04/23/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net
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- RADIOANQ - FOR SALE: Hallicrafters S-120 tube Rec.
- This tube receiver is in excellent physical condition. A electrolytic capacitor kit has been installed and all tubes test in excellent condition. An alignment has been performed and all bands receive well including band 4 up to 10 meters. When conditions are right it receives WWV well at 25 MHz. Works best with an outdoor wire antenna but the rare original telecoping antenna attaches to the back panel. This receiver is a lot of fun on all the bands and has a bfo for sideband listening. $120 plus $15 shipping.
- Listing #1765903 - Submitted on 04/23/26 by Callsign KF4RWG - IP: 71-220-139-58.tlhs.qwest.net
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- RADIOHF - COLLINS 75S-3 RECEIVER HAS 200Hz CW FIL.
- I'm selling a very good looking Collins 75S-3 for the estate of an SK friend.
IT HAS FACTORY INSTALLED RARE COLLINS X455KQ200 200 Hz CW FILTER AS WELL AS THE STANDARD 2.1 kHz SSB FILTER
Receiver pictured is the actual COLLINS 75S-3. All correct controls and knobs. This radio hasn't been used too much in the past couple of year and I can tell that the controls and switches need cleaning and lube. Serial No. 10384.
I have several more photos both inside and out - just ask.
PRICE: $525. or near offer. For pick-up at Greer, SC or add $32. shipping (USA).
JON,
K1VVC
- Listing #1765899 - Submitted on 04/23/26 by Callsign K1VVC - IP: 172.59.218.129
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- RADIOHF - Elecraft KRX3 K3 Sub Receiver - Sale
- ELECRAFT K3 K3S KRX3 SUBRECEIVER - OPTION -
$261 delivered check , Zelle, or PP FF ok.
$220 with a k3 or P3 purchase.
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 #1760366 - Submitted on 02/27/26 by Callsign K6RO, Modified on 04/23/26, Web Site: http://www.K6RO.com - IP: 99.37.36.186
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- RADIOHF - Elecraft K3 K3S KSYN3A Updated Synthesiz
- Elecraft KSYN3A K3 K3S UPDATED Synthesizer Option board.
$339 delivered - check, Zelle, PP FF ok.
If you want to upgrade your K3 to close to a K3S,you may want this.
Or,if you are adding a sub receiver to your K3S,you will also need one of these.
I have a matching K3 in another listing.
These have been discontinued at Elecraft.
Comes with manual.
Please see pictures for more details.
Local pickup is also fine.
I can be reached through email if you have questions about this unit.
Larry K6RO
- Listing #1763276 - Submitted on 03/26/26 by Callsign K6RO, Modified on 04/23/26, Web Site: http://www.K6RO.com - IP: 209-76-88-34.raymorgan.com
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- RADIOANQ - Swan-350 transceiver
- See the video in a contact on 20 meters:https://youtu.be/ETPwu652zMIThe final tubes may be weak and need replacing. You are buying it with that condition.I checked the receiver on 75, 40 and 20 meters as those were the bands that were open. Power supply NOT included. Due to the increasing number of "not as described "scammer cases, I am forced to offer all of the electronic items *as is* without any refunds or returns - All sales are final. The reason I do a video is for you to see a sample of it working, I want you to buy with confidence and frankly I also wanted to be protected against frivolous complaints. Track your purchase so you will be home at delivery, not responsible for theft. $176 plus shipping.
- Listing #1765890 - Submitted on 04/23/26 by Callsign K1OIK - IP: 24.61.114.148
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- RADIOHF - Kenwood R-5000 general coverage receiver
- A nice example of this very popular HF receiver. 30khz-30mhz all modes. Factory AM filter, which I think sounds better for BCL than the optional YK-88A1, but YMMV. It does have the optional VS1, which speaks your frequency at the touch of a button. Seems to work fine; been in my stable for many years, but I'm not using it much.
$450 plus shipping from 37920. Most forms of payment are okay.
- Listing #1765887 - Submitted on 04/23/26 by Callsign KB5AG - IP: 70.130.162.31
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- RADIOHF - Flexradio 1500 / 3000 / 5000 SDR
- All working perfectly!
PowerSDR 2.7 software available free directly from FlexRadio. Updates available from KE9NS
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Flex 1500 QRP 5w
Radio, USB cable and DC cable
$415
••••••
Flex 3000 100w
AutoTuner
Radio, FireWire cable, DC cable
$525
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Flex 5000 100w
AutoTuner
2nd Receiver
Radio, FireWire cable, DC cable
$725
••••••
Free US Shipping
- Listing #1765796 - Submitted on 04/22/26 by Callsign W8UAB, Modified on 04/23/26, Web Site: https://swap.qth.com/search-results.php?keywords=W8UAB&fieldtosearch=Call - IP: 104-169-198-75.bng02.nrwl.oh.frontiernet.net
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- RADIOANQ - R-100 Troop Morale Receiver
- R-100 Troop Morale Receiver - Fully Functioning
Some scuffs and scratches on the case. Covers the AM Broadcast Band plus 3.6 to 19 MHz. The Volume Control is a little scratchy on the high end.
Comes with schematic diagram silk screened onto the internal Masonite panel.
Also included is a full set of spare tubes:
25Z6
26L6
3Q5
1LH4
1LN5 (quantity 3)
1LC6
Price: $175
30 pounds, 20x13x15, shipped from zip 10708
Thanks. Ken W2EWL
- Listing #1765857 - Submitted on 04/23/26 by Callsign W2EWL - IP: pool-108-14-113-105.nycmny.fios.verizon.net
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