[50mhz] looking for beacon transmitter

[Chris Boone]

http://www.wa7x.com/beacon_tech.html explains how to get around the clicks
(has to do with the power control looping as well as some other issues) This
group has a lot of good technical info on beacons and their 6mtr rptr as
well.

Chris
WB5ITT

> -----Original Message-----
> From: 50mhz-bounces at mailman.qth.net 
> [mailto:50mhz-bounces at mailman.qth.net] On Behalf Of Bill 
> VanAlstyne, W5WVO
> Sent: Sunday, February 06, 2005 2:47 PM
> To: _Mailing List 50 MHz; Chris Boone
> Subject: Re: [50mhz] looking for beacon transmitter
> 
> 
> Chris,
> 
> A buddy of mine and I were trying to convert a MASTR II for 
> 6M beacon use. We've kind of let the project slip, but I'd 
> still like to get it finished before the spring Es season 
> starts. We did get a PIC processor running as a controller 
> and got the transmitter tuned up on the desired 6M frequency. 
> The problem we were having was KEYing TRANSIENTS ("key 
> clicks") -- tuning down the band, you could hear the thing 
> coming 30 kHz or more away! Not something I'm willing to put 
> on the air. My friend tried a number of things to soften the 
> attack and decay time of the keying waveform, but nothing 
> seemed to eliminate the transients. Have you encountered this 
> problem? If so, how have you done the keying to rectify it?
> 
> Bill / W5WVO
> 
> 
> Chris Boone wrote:
> > I would suggest a GE or Motorola FM xmtr instead of a piece 
> of amateur 
> > gear for beacon use...A GE EXECII or MASTR II or Mot MICOR are my 
> > favs....I may have a lowband Motorola in storage....I 
> prefer GEs more 
> > these days :) If you key the multiplier stages and leave the osc on 
> > all the time, you get a much better stable xmtr and no chirp!
> >
> > Chris
> > WB5ITT
> >
> >> -----Original Message-----
> >> From: 50mhz-bounces at mailman.qth.net 
> >> [mailto:50mhz-bounces at mailman.qth.net] On Behalf Of Scott
> >> Sent: Sunday, February 06, 2005 1:27 PM
> >> To: 6meter at yahoogroups.com; 'World Wide Six Meter Club'; '050 Mhz'
> >> Subject: [50mhz] looking for beacon transmitter
> >>
> >>
> >> Hi everyone,
> >> The Synton Amateur Radio Club (W9YH) at the University
> >> of Illinois is looking for a transmitter for a six
> >> meter beacon radio.  We're looking for something along
> >> the lines of the Icom 551 or IC-505.  The receive part
> >> of the radio does not need to work.  We have an old
> >> Ameco TX-62, but for a couple of reasons, we'd rather
> >> not leave that on 24 hrs a day at the present
> >> location.
> >> If anyone has anything like this that they are willing
> >> to sell or trade, please contact me at grams at uiuc.edu
> >>
> >> Other ideas, comments, or suggestions are welcome as
> >> well.
> >>
> >> Thank you,
> >> Scott Grams
> >> W9AFB
> >>
> >>
> >>
> >>
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