Friday, September 28, 2018

One week of WSPR signals on 40 metres

For the last week, I have monitored the WSPR frequency on 7 MHz and I heard the following...


The antenna was an 80m doublet (full size dipole on 40m) only 4-7m above ground level. Plenty of wire but nothing special.

The Solar Flux has been in the high 60's which is pretty close to rock bottom.

The map shows plenty of signals from Europe and the Eastern half of the USA which is to be expected.  431 stations in total were heard in one week.

The key points for me were...

1) Hardly any signals from the Western USA and none from Japan. The more northerly path to these areas seemed closed.

2) Just one from South America. Would have expected more. Null in the antenna???

3) Signals from Australia and New Zealand are always interesting.

2018-09-27 07:36 ZL4JW RE44iw EI7GL IO51tu 7.040111 50 -24 
2018-09-22 06:58 VK7DIK QE38cu EI7GL IO51tu 7.04014 5 -20 
2018-09-28 07:36 VK3MI QF22ne EI7GL IO51tu 7.040146 5 -10

The ZL station was running 50w while the VK stations were running 5 watts. They were all heard near my sunrise which leads me to believe that they may have actually been long path?

4) These were the stations that were using less than 100 milliwatts with DL3MXG and DL2ODY on 1 mW!

2018-09-26 11:20 DL3MXG NO51 EI7GL IO51tu 7.040049 0.001 -27 
2018-09-25 05:48 DL2ODY JO71 EI7GL IO51tu 7.040093 0.001 -18 
2018-09-21 18:24 F5WK JN18hp EI7GL IO51tu 7.04017 0.005 -23 
2018-09-21 21:22 KD2NFC FN20 EI7GL IO51tu 7.040057 0.01 -12 
2018-09-24 10:32 G0MKB IO83rl EI7GL IO51tu 7.039992 0.01 -18 
2018-09-21 18:24 DL5SFB JN48om EI7GL IO51tu 7.040048 0.01 -25 
2018-09-22 11:42 F1EYG JN18ar EI7GL IO51tu 7.040082 0.01 -27 
2018-09-25 07:22 DJ7PRM JO30ns EI7GL IO51tu 7.040065 0.01 -28 
2018-09-26 13:28 M0KTM IO91 EI7GL IO51tu 7.040153 0.02 -26 
2018-09-22 14:48 ON7EN JO21ba EI7GL IO51tu 7.040035 0.05 -23 
2018-09-26 11:52 G8WVW IO81vu EI7GL IO51tu 7.040134 0.05 -23

I think I'll spend a week now listening on 40m FT8 and see how it compares.

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