[JMS] James Millen station on the air
Dennis & Pat Petrich
radioart at charter.net
Tue Mar 28 21:51:04 EST 2006
Thanks Gary,
Look forward to working you on your station too.... Ciao, Dennis
-----Original Message-----
From: james_millen_society-bounces at mailman.qth.net
[mailto:james_millen_society-bounces at mailman.qth.net] On Behalf Of Gary
Carter
Sent: Tuesday, March 28, 2006 8:22 PM
To: The James Millen Society Members Email Reflector
Subject: Re: [JMS] James Millen station on the air
Congrats Dennis! I'll be sure to look for you as soon as I get my low
power Millen station back on the air.
73, Gary - WA4IAM
Dennis Petrich wrote:
>Hello all,
>
>I'm just dropping you a note announcing that I got my James Millen station
>on the air this last weekend. I took a week of vacation and completed the
>HV power supply and power modulator, cables and debugging. So far so good.
>I have a bit more work to do. I get about 220w out on AM. I could get
more
>but I need to increase the number of turns on the swinging link. I'm using
>812A's in the 90881 in class C and TZ-40's to modulate them class B. I
have
>the 5" 90905 scope setup giving me a trapezoid and everything looks very
>linear. The 90831 speech amp easily drives the Taylor TZ-40's. Here is a
>list of the modules I'm using...
>
>90881 500W RF deck with 812A's
>90800 160-10M exciter with 6L6 & 807
>90700 Vari-arm VFO
>90831 40w Speech amp with 6146's
>90905 5" monitor scope
>Homebrew 500v, 250v, bias, AC switching, Tune switch and exciter grid
>current and modulator plate current chassis is rack mounted with the other
>Millen rack modules.
>Homebrew 1500v supply and power modulator chassis with TZ-40's sets on the
>floor on casters. The modulator uses shunt choke feed and negetive cycle
>loading.
>
>
>I'll send pictures as soon as I get things cleaned up a bit. Also, I still
>need to black wrinkle paint the small 3" rack panel for the LV, bias, AC
>switching and metering stuff so it doesn't look finished yet....
>
>I'll probably be on 75m at 3885 or 3880 all this week (after 7pm) so get on
>if you get a chance.
>
>73's, Dennis, k0eoo
>
>
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