[Elecraft] ?ELECRAFT NVIS field day?

[Bill Parsons]

Dean Straw's December 2005 NVIS article with color graphics appears to be a
public access document and archived at the ARRL website at:
http://www.arrl.org/files/file/QST%20Binaries/Straw1205.pdf

The version retrieved in the standard ARRL members only archives accessed
at the Technology tab Periodical and Archive Search engine has black and
white graphics.

73, Bill  AF6AE

On Sun, Dec 19, 2021 at 8:54 AM Ed Cole <kl7uw at acsalaska.net> wrote:

> Thanks to Bill Parsons-AF6AE for the tip on the QST December-2005
> article.  Pulled it out and scanned it over (will read more thoroughly
> later) but interestingly showed how 80/40m coverage varied by time of
> day (which was demonstrated real-time in the 1980's on the Iditarod
> trail working into Anchorage).
>
> At home I only use those bands infrequently and mostly to talk out a few
> hundred miles in Alaska.  Somewhere I read that a 40-foot high
> inverted-V would work well.  I have a 50-foot tower mounted to end of my
> house with Hygain TH3mk4 tribander at tower top so hung my 80/40m fan
> dipole at the 40-foot level with end tapering down to 20-foot on one end
> and 15-foot on the other.  Its hung on a line NW to SE but that seems to
> work out 400 miles just fine.
>
> I am going to re-hang that antenna next summer with 80m wire at right
> angle to 40m wire as the fan-style 40m tuning was affected by proximity
> of the 80m wire.  As I have written previously, I will also run this as
> a top-hat loaded vertical on 160m/630m by shorting the 40-foot high
> feedline.
>
> I check into a weekly net on Saturdays (11am local time) on 3920 KHz.
> NC is about 70 miles south in Homer, AK (KL7PM) and consistently comes
> in at 30-40 dB over S9.  He does run about 400w.  I get at least S9
> reports from him with my 100w and I hear other stations out as far north
> as Fairbanks (400 miles) pretty well.  Band noise runs S7 (K3 PRE Off).
>
> 3920 is designated emergency channel for AK and often activated after an
> earthquake for tsunami watch.
>
> Ed-KL7UW
> K3/10+KXPA100 on HF/6m
> under construction is 3w/1200w W6PQL MRF1K50H amp
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