[Drakelist] R4C

I am looking into the filters on my R4C. I have 2 Heath Dynamics filters mounted in the radio. Can anyone tell me the history of these filters and the original use?ThanksTerry ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/m

[Drakelist] Update to T4XC Problem

Thanks for the responses. Very much appreciated.The AC4 was rebuilt and has approximately 2 hours of operating time. I have sent a message to the Heathkit Store to see if they have any  previous experience with this problem.Thanks again to all who responded.Terry ___

[Drakelist] T4XC Problem

I have a T4XC in excellent condition that has developed a problem. I was operating a few weeks ago and notice the transmitter had moved to transmit and I had not keyed the transmitter.Before I could determine the issue, the fuse in the AC-4 blew.I have replaced the fuse and with all connections rem