Re: TR-4C Problems with 28.0 and 28.5 bands
This is a long-shot. Try adjusting T1. Steve Wedge, W1ES Time flies like an arrow. Fruit flies like a banana. Sent with [Proton Mail](https://proton.me/mail/home) secure email.
By
Steve Wedge, W1ES/4
·
#82108
·
|
Re: TR-4C Problems with 28.0 and 28.5 bands
Yes, I have tried switching the Xtals all around. I first put the 28.0 Xtal in the 29.1 slot and got nothing, no receive. I then put the 28.5 Xtal in 29.1 and got the same, nothing. Then I put the
By
Dave KD5FX
·
#82107
·
|
Re: The Hum-Less 2B
Good point. I¡¯d find a way of using the slots. I don¡¯t mind using the Hayseed kits for sets that I¡¯m keeping. I am, however, beginning to use my Sprague TO-6 to test the caps after I unhook the
By
Steve Wedge, W1ES/4
·
#82106
·
|
Re: 4-Line Crystals for 10M
That was me and thank you! Bill N1WL ?? William Losefsky? ????????? CallSend SMSAdd to SkypeYou'll need Skype CreditFree via Skype
By
Bill Losef
·
#82105
·
|
Re: The Hum-Less 2B
I'm planning to use a bit of silicone and a soldered ground. John K5MO [email protected]> wrote:
By
John K5MO
·
#82104
·
|
Re: The Hum-Less 2B
I saw that small PC board with individual radial lead capacitor kit available on eBay but after studying the PC board it appeared that 2 holes needed to be drilled in the 2B chassis. While I'm sure
By
Mike W5RKL <mikew5rkl@...>
·
#82103
·
|
Re: Using an R7A with a TR7A
Thanks to all for the documents! 73, Steve Wedge, W1ES Time flies like an arrow. Fruit flies like a banana. Sent from [Proton Mail](https://proton.me/mail/home) for iOS
By
Steve Wedge, W1ES/4
·
#82102
·
|
Re: Drake repair service
With the 2nd diode installed (rvs connected pair).....the pair? ensures the B-? ?can't wander more than? +/-? .7 vdc? ?from chassis potential.? ?In the old days, something like a 10 ohm
By
Jim VE7RF
·
#82101
·
|
Re: Using an R7A with a TR7A
Steve, have you already seen and checked this piece of information regarding building an interconnection cable between Drake TR7 and R7: https://www.dl7maj.de/TR7-R7-cable.pdf Best regards. Karl,
By
Karl du Roi, DK7AL
·
#82100
·
|
Re: Using an R7A with a TR7A
Yes, if you are willing to build you own. An example of the control cable has already been posted to this thread. FWIW I used low capacitance coax for the PTO and 40MHz reference signals but RG-174 or
By
Jim Shorney
·
#82099
·
|
4-Line Crystals for 10M
I think someone was having problems with two of the 10M bands with a 4-line rig recently. I happened to see these and thought I'd pass the ad along:
By
n4buq
·
#82098
·
|
Re: PS7 Fault, Troubleshooting & Repair
Thank you, Jim. This weekend while using the TR7/PS7 in the NA QSO Party, the PS7 tripped out a couple of times. I went back in this evening and recalibrated the overcurrent setting based on your
By
Robin K4IDC
·
#82097
·
|
Re: Using an R7A with a TR7A
Steve, The attached is the cable that you can build. It is what I am using for my R7 / TR7 transceive 73 Dale AF7WH Sent: Sunday, January 19, 2025 2:13 PM To: [email protected] Subject:
By
Dale Dean - AF7WH
·
#82096
·
|
Using an R7A with a TR7A
Folks ¡ª I have someone asking me to get their R7 to work with a TR7. I just want to make sure that the connectors and cables are still obtainable. Any insights into this? Steve Wedge, W1ES Time
By
Steve Wedge, W1ES/4
·
#82095
·
|
Re: Replacement Male connector for 2BQ?
I meant replace with DIN connector. That looks pretty old-school with a metal plug.
By
k3stx@...
·
#82094
·
|
Re: The Hum-Less 2B
I've got a 2B to recap, and I agree....? with the Qmultiplier? it's a fantastic vintage CW rig.? I pair mine with the flavor of the day CW rig and it's perfect for that. I found those capacitor
By
John K5MO
·
#82093
·
|
TR-4C excess drive on 20m
Gentleman; Recently I acquired a TR-4C / VF-4C in good shape for my needs. Realigned it following the manual and after that I got the following CW power at 115Vac mains: 10m = 135W = 450mA 15m = 150W
By
Marcus PY2PLL
·
#82092
·
|
Drake 5 pin accessory connector
I'm talking with a guy that is having samples made of this connector even as we speak/type. When this comes to pass I'll post the info, but it looks quite promising. John K5MO
By
John K5MO
·
#82091
·
|
Re: The Hum-Less 2B
My favorite receiver. Happy to hear you "rectified" the hum problem! Here is another option: https://www.ebay.com/itm/126675460504?
By
Pete Doherty W1UO
·
#82090
·
|
Re: Drake repair service
Thank you Jim and Jim for all the information. Yes I certainly hope all is OK with Ron. Tim WB8UHZ
By
amfone
·
#82089
·
|