[K3PZN-List] I'm curious...

Curt Milton wb8yyy at yahoo.com
Fri Mar 16 07:36:27 EST 2007


John

FB those in-dorm AM stations must have been the rage back then as we had the same thing.  of course student DJ's played the records and it was virtually commercial free music .... were those rigs you described commercial or did it look like the engineering dept made them?  ours were definitely commercial probably from some cottage outfit.  

160m 5w with a low dipole is not so dreadful during the ARRL top band contest .... but every little bit helps!  if i continue to enjoy 80m DX (and succeed with a better antenna deployment) i just may expand my horizons many dB above QRP!  

thanks for posting.  

73, curt


----- Original Message ----
From: W3JJH <w3jjh at arrl.net>
To: k3pzn-list at mailman.qth.net
Sent: Thursday, March 15, 2007 2:29:12 PM
Subject: Re: [K3PZN-List] I'm curious...


Bill,

Yes, I've "homebrewed" quite a few of non-QRP transmitters.  Back in my
undergraduate days, we had a carrier-current AM broadcast station on campus.  It
required individual transmitters in each dorm that were coupled into the 120/240
V wiring.  All of the transmitters were homebrew.  The two most common types
were a single 6146 modulated by a pair of 6L6s (running about 20 W out) or a
pair of 6146s modulated by a pair of KT-88s (running about 50 W).  In one dorm
quad we
had a master single 6146 transmitter feeding dual 6146s class-AB linear amps in
each dorm.

Someplace around my junk box is the remains of the last non-QRP rig I've built,
a 20 W 160 m amp that I used with my FT-817 (5 W with a low dipole on 160 was
just too frustrating!).

73 de W3JJH
John


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