Stew Perry Topband Challenge
Call: W8FN
Operator(s): W8FN
Station: W8FN
Class: Single Op HP
QTH: EM12
Operating Time (hrs): 2
Summary:
Total: QSOs = 49 Total Score = 128
Club: DFW Contest Group
Comments:
I got on for just a few minutes right before local sunset and worked three of
the locals, then did another hour and a half from about 0430Z to 0600Z. I
worked a few PNW guys and several stations in the Midwest but heard no DX or
east coast signals. The 30 foot high by 105 foot wide inverted L with the
Folded Counterpoise seems to transmit reasonably well for what it is, but it's
REALLY hard doing a 160 contest when you simply can't hear.
The TX antenna is pretty much useless for receiving as it produces a S9+10
noise floor at all frequencies. I could hear a few of the strongest signals
using an untuned 43 foot vertical as my receiving antenna and they usually came
right back to me when I called. Unfortunately, there is some sort of local noise
source at a bearing of about 90° or 270° that produces a 20 dB rise in noise
floor from about 1810 to 1840 kHz. I rotated my Pixel loop to null the noise
but found I could hear very few signals with the loop. After about an hour into
the night time operating session I discovered that rotating the loop null off
the noise a bit dramatically increased the strength of received signals. I
certainly hadn't expected the loop to show much directivity on what are
presumably skywave signals, but it definitely did.
My need for sleep quickly overcame my enthusiasm for low-rate S&P and I
threw in the towel at local midnight. Hope I can do a little better in the
upcoming CQ 160 contest now that I know not to depend on the using the loop to
null my noise.
73...
Randy, W8FN
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