Mark, I own the Drake C Line but might ask; Have you separated the R4B from the T4XB by removing all cables and run the receiver independently? Does the noise problem quit? This may help isolate if the noise is coming from the RX or TX.Food for thought. 73, Dick Newsome W0HXL Omaha, NE w0...@cox.net
> From: drakelist-requ...@zerobeat.net > Subject: Drakelist Digest, Vol 45, Issue 7 > To: drakelist@zerobeat.net > Date: Sat, 27 Jun 2015 12:00:01 -0400 > > Send Drakelist mailing list submissions to > drakelist@zerobeat.net > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.zerobeat.net/mailman/listinfo/drakelist > or, via email, send a message with subject or body 'help' to > drakelist-requ...@zerobeat.net > > You can reach the person managing the list at > drakelist-ow...@zerobeat.net > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Drakelist digest..." > > > Today's Topics: > > 1. WTB: (Gary Thostenson) > 2. T-4XB - R-4B injection anomoly (Mark Killmon - K4SO) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 26 Jun 2015 20:35:01 -0500 > From: "Gary Thostenson" <badgers9...@centurytel.net> > To: <drakelist@zerobeat.net> > Subject: [Drakelist] WTB: > Message-ID: <674FDD5AFD6A4BB5B3D80C8B3D086DD9@wisconsin> > Content-Type: text/plain; charset="iso-8859-1" > > Hello: > I want to buy a FL-6000 AM filter for my Drake > R-4C. If you have oner and want to sell it please > let me know. Contact me at my QRZ address. > Thanks very much. Gary W9VS > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://mailman.zerobeat.net/pipermail/drakelist/attachments/20150626/42a58f6a/attachment-0001.html> > > ------------------------------ > > Message: 2 > Date: Sat, 27 Jun 2015 11:38:53 -0400 > From: Mark Killmon - K4SO <k...@aol.com> > To: "drakelist@zerobeat.net" <drakelist@zerobeat.net> > Subject: [Drakelist] T-4XB - R-4B injection anomoly > Message-ID: <558ec38d....@aol.com> > Content-Type: text/plain; charset="windows-1252"; Format="flowed" > > B-Liners, > > Looking for advice on how to pursue fixing a new issue with my B-Line. I > wasn't even sure how to name or categorize it. > > I will post a recording of the sound of the problem which may help in > analysis. It's a problem that suddenly appeared without me making any > changes, so I initially trued tube substitution with some success, but > not continuing success. I replaced V9 and the rig seemed stable for > quite a while. I exercised PTT with not problems, but after? half-hour > of idle time, I closed the PTT line, and when released, the problem had > returned. > > All switches have been cleaned in the last year or so, and up until this > started, things have worked well, with only the loss of sidetone on CW > as an unresolved problem with this pair. I mention it, just in case it > may be relevant. Prior to that, I used CW on this rig very infrequently, > but have had several years of excellent performance. > > There are short videos at: > > https://picasaweb.google.com/kfourso2/BLineWoes?authkey=Gv1sRgCOrp6InRlOXENw > > This problem is in SSB only I have not attempted relay contact cleaning, > but this seems like a component value drift, or capacitor leakage type > issue. > > My hope is that someone has already experienced this problem, and solved > it. > > Thanks for any analysis and suggestions... > > -- > *73, Mark, K4SO > *www.k4so.com > picasaweb.google.com/kfourso > picasaweb.google.com/kfourso2 > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://mailman.zerobeat.net/pipermail/drakelist/attachments/20150627/5532ea1b/attachment-0001.html> > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist > > > ------------------------------ > > End of Drakelist Digest, Vol 45, Issue 7 > ****************************************
_______________________________________________ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
