[ARC5] ARC-5 T-15 Bottom Freq, Loading.
Chris Bowne
aj1g at sbcglobal.net
Fri May 26 12:56:49 EDT 2017
Pad it down a little and you will be all set to light up our new band down around 472 kc when it opens up! I have a LF TU for the BC191 here that I should test out for the same purpose. What will be interesting will be how we are to comply with the ERP level limit....something like a command set or 375/191 into a electrically short wire antenna or vertical will probably not need much throttling back , if any. Wonder if the191will still chirp that low in frequency.
Sent from my iPhone
> On May 26, 2017, at 12:28, arc5 at ix.netcom.com <arc5 at ix.netcom.com> wrote:
>
>
> For anyone interested, this unmodified T-15 transmitter bottoms at 493KC. Powered from the MD7 at 27V primary and with a 1300pFd cap in series with ANT connection to the dummy load, it delivers 20 Watts to a 50-Ohm load with no external inductance from the TN-6. I did not touch-up the PA tuning so might do better.
>
> 73 Dave AB5S
>
> Sent from my Ain't Smart Phone.
>
> <20170526_105628_resized.jpg>
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