[MRCA] BC-375 / BC-348 liason setup
D. Platt
jeepp at comcast.net
Tue Apr 29 15:17:44 EDT 2014
On 4/29/2014 3:03 PM, mbdittmar at comcast.net wrote:
> Attached are some pics of the BC-375 / BC-348 liason setup with
> dynamotors, etc I've been working on recently. It is set up to run as
> original as possible. Tom KD0VBR and myself had a nice CW and then
> AM QSO on 1900 khz last sunday afternoon with both of us using nearly
> identical setups. Communication quality was excellent. Of course we
> are only about 15 miles apart. Headphones required to block out the
> noise of the dynamotors.
>
> Batteries and 28V 30 A power supply on bottom shelf, dynamotor and
> spare TUs on second shelf, BC-348 receiver and BC-221 freq meter on
> 3rd shelf, and top shelf ( with the 4 exposed 211s ) is of course the
> BC-375. Getting about 2 A of antenna current into a directly fed
> inverted L about 65 feet total length....about 200 W input ( ~1000 V
> at 200 ma ) power.
>
> 73
> Mark AB0CW
>
>
>
Mark,
That's a fine accomplishment! But, just curious as to what kind of
FMing you find you have at that power level? We've found that limiting
the power to about 50-60w out and, after tweaking the neutralizing for
minimum FM, the "wobbulation" can be brought down to a very respectable
level.
Jeep - K3HVG
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/mrca/attachments/20140429/3ba28f6b/attachment.html>
More information about the MRCA
mailing list