[Drakelist] TR4C Low Output

I have a low output problem with a tr4c where the output problem is most acute on 80 with 40 being 50% better and 20 seems to be just fine. The problem gets progressively worse as the rig warms up. Very strange...The receiver seems to work fine. Anyone had the same problem? and if so what did

[Drakelist] DRAKE TR7: Cabinet Screws

Hi, what special type of screws are used for fixing the wrap around cover of the Drake TR7 transceiver? Is this type of screws installed also on other places in the rig? What type of screw is used for holding the DR-7 from the top? Helpful answers to get those screws are highly appreciated.

Re: [Drakelist] DRAKE TR7: Cabinet Screws

Thank you Carl and Gary, your inputs have been very helpful for me and my TR7 refurbishing project. I've got further help from www.fastener-express.com http://fastener-express.com/fastener-technical/pan-machine-Screws.pdf http://fastener-express.com/fastener-technical/MACHINEScrewTHREADS.pdf

[Drakelist] Question about the 9MC filters

I have been reading all of the posts in the new Drake archive and the old Drake archive trying to learn as much as I can about my TR4.  To you old pros this will be a rookie question, but I am of the belief that if you don't ask you don't learn.  Okay I have read where it has been said that you

Re: [Drakelist] Question about the 9MC filters

Kevin - A scope can be used, although I find it easier to just listen to the receiver. Think of the two filter passbands as the letter M as depicted on Page 29 of the TR-4 Manual. The goal is to adjust C130 so that it sits in the valley between the two filters. If you turn on the