Re: WTB GUF-1 8 kHZ filter for R-4C
How much for the Piezo roofing filter?
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On Jan 17, 2024, at 9:31?PM, Rob Sherwood <rob@...> wrote:
Hi Gary,
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Yes I have one Piezo Technology original first IF roofing filter on the shelf.
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I also have a parts R-4C that has been cannibalized, but has the power transformer and a PTO.??
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Another more complete R-4C S/N 16354 that is modified for a lot of AM filters.? Otherwise appears complete if someone wanted to part it out.
Filters:? 6000 Hz, 4000 Hz, 3000 Hz AM, and a 1.5 kHz SSB/CW/RTTY filter.
Stock 8 kHz filter.
4 DPDT TO5 Teledyne relays
PTO
XFMR
100 kHz calibrator
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Both R-4Cs have a reasonably good case with some scratches.
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My wife says downsize old stuff.? Hi Hi? Please contact me direct at? Rob@... ? if these could be of use. ?
Rob, NC0B
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Do you happen to have an original first IF roofing filter?
WoDVN
On Jan 17, 2024, at 9:02?PM, Rob Sherwood <
rob@... > wrote:
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Misc. parts still in inventory at? .? However no upgrade kits now that I have retired.
If anyone needs a few items to complete an R-4C project I have a few left.
Some shortwave general coverage HC-6/U band crystals.
I have three of the 2611.1 6 kHz INRAD new old stock filters here at my office.? Never used, new in box.
Contact me direct at 303-722-2257 or? rob@... Hello, I'm new to groups so if I mess up something, I apologize in advance. I'm looking for an IRAD guf-1 for the 1st IF Preferably the 2612.1 (8kHZ) although I would consider the 2611.1 Thanks, Steve?
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