Re: LF: DFCW test results

[N1BUG <paul@n1bug.com>]

Hi Markus,

Thanks. Interesting, the green is easier to see. I don't think
propagation was all that great either. I look forward to trying DFCW
again soon. Next time I might do DFCW90 with one transmission per hour.

73,
Paul



On 12/5/18 11:34 AM, Markus Vester wrote:
> This is what I captured overnight, with strips showing 20 UT (top
> left) to 2 UT (bottom right), and RDF colours swapped from blue
> to green for better visibility. The night wasn't too great here,
> with some local background noise from frosty railway lines.
> 
> Best 73, Markus (DF6NM)
> 
> -----Ursprüngliche Mitteilung----- Von: N1BUG <paul@n1bug.com> 
> An: rsgb_lf_group@blacksheep.org <rsgb_lf_group@blacksheep.org>;
> rsgb-lf-group@groups.io <rsgb-lf-group@groups.io>; Discussion of
> the Lowfer (US, European, & UK) and MedFer bands
> <lowfer@mailman.qth.net> Verschickt: Mi, 5. Dez 2018 16:58 
> Betreff: LF: DFCW test results
> 
> Thanks to all who ran grabbers and sent screen shots during last 
> night's test. This was an experiment to see how the little
> amplifier would hold up at 200+ watts output under higher duty
> cycle and to see whether my CW ID would be visible on grabbers.
> 
> The amplifier did fine. Efficiency was down a little this
> morning because a big drop in temperature overnight drastically
> lowered the antenna system resistance. I didn't bother going
> outside to change taps on the transformer.
> 
> I did not see any evidence of the CW ID even on grabbers where
> my signal was quite strong. Next time I run this test I will
> reduce the speed of the ID to see what happens.
> 
> I am behind on email. I need to get a little sleep now so I will 
> remain behind a bit longer. :)
> 
> When I wake up I plan to make a few changes to the transmit 
> converter. If successful, I hope to be QRV for JT9-1 and JT9-2
> QSOs for the next few nights. No promises yet. If not successful
> the worst result could be a ded FET and a fuse. That's about
> $1.50 cost plus 20 minutes to repair, so I'm not worried about
> it... ;-)
> 
> 73, Paul N1BUG