K4DPK VFO Stabilizer
I'll soon be installing a K4DPK VFO stabilizer in my TR-4Cw. The stabilizer works on 10-14 VDC. Since there's no low voltage in the TR-4Cw, I'm curious how others have attempted the supply voltage
By
Paul Christensen
·
#75594
·
|
Re: Misc parts at NC0B's QTH
Rob Sherwood writes: Rob, regarding that filter, even though the pin has broken off, it should be repairable? Assuming I can get the cover off it, it should be possible to solder in a replacement pin,
By
Lyndon VE7TFX <lyndon@...>
·
#75593
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
ok and thanks for the good wishes. Thought that might be the case. Blessings David Assaf III W5XU, VP8RXU
By
David
·
#75592
·
|
Re: Misc parts at NC0B's QTH
R-4C crystal calibrator is still available. Blanker sold awaiting funds. PayPal to rob@... Rob, NC0B Sent: Thursday, January 18, 2024 9:37 AM To: [email protected] Subject: Re:
By
Rob Sherwood
·
#75591
·
|
Re: Misc parts at NC0B's QTH
Rob are? the calibrator & blanker for an R4C? I'd take thos if so. Thanks Patrick NQ2M
By
Patrick Tanner
·
#75590
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
Hi Dave, Hope you are mending after your hospital incident. If you have my CF-600/6 and/or CF-2K/8 roofing filters, the answer is no. The list of filters are almost all 2nd IF plug-in filters I have
By
Rob Sherwood
·
#75589
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
Rob: Good morning. Are these the filters for the Roofing filter Mod? I have the ones I received from you a couple of years bak and have selected 2 R4C radios to receive them. Hope all is well.
By
David
·
#75588
·
|
Re: New to me drake 4 twins
I measured my L-4B keying voltage at 40V. Richard Van Hoose WB6HII
By
Richard WB6HII
·
#75587
·
|
Misc parts at NC0B's QTH
Here are some filters and items available. $75.00 plus $10.00 shipping unless otherwise noted. AS IS, but if they don't work I will refund the purchase less shipping. PayPal to
By
Rob Sherwood
·
#75586
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
All filters are $75.00 plus $10.00 USPS shipping. I¡¯ll make a list of misc. filters I have on hand that need new homes and post it soon. PayPal to rob@...<mailto:rob@...>. (Not his
By
Rob Sherwood
·
#75585
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
How much for the Piezo roofing filter? Gary
By
Gary Follett
·
#75584
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
Hi Gary, Yes I have one Piezo Technology original first IF roofing filter on the shelf. I also have a parts R-4C that has been cannibalized, but has the power transformer and a PTO. Another more
By
Rob Sherwood
·
#75583
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
Do you happen to have an original first IF roofing filter? Gary WoDVN
By
Gary Follett
·
#75582
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
Misc. parts still in inventory at NC0B.com. 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. Plug-in filter brackets AUX
By
Rob Sherwood
·
#75581
·
|
Re: tube suppliers
No - Fair Radio is still in business.? The owner wants to wrap it up but he is closing out stuff and looking for a buyer for the entire stockpile. They just sent out their January flyer notice...
By
Steve Johnston, WD8DAS
·
#75580
·
|
Re: R-4B AGC Issues, Part Trois
He has and you sir, are part of that blessing. Thank you. David Assaf III W5XU, VP8RXU [email protected]> wrote:
By
David
·
#75579
·
|
Re: R-4B AGC Issues, Part Trois
Thank you John. It is a well appreciated response. David Assaf III W5XU, VP8RXU
By
David
·
#75578
·
|
Re: R-4B AGC Issues, Part Trois
will offer a mass for your recovery. Get well soon. John K5MO [email protected]> wrote:
By
John K5MO
·
#75577
·
|
Re: R-4B AGC Issues, Part Trois
David,? May our Lord and Savior continue to bless you and your family.? Walt, KA2NJF? Sent from the all new AOL app for iOS
By
Walt KA2NJF
·
#75576
·
|
Re: WTB GUF-1 8 kHZ filter for R-4C
Hi Steve, 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@...<mailto:rob@...> Rob, NC0B Sent:
By
Rob Sherwood
·
#75575
·
|