[Lowfer] WE2XGR/2 WSPR

jrusgrove at comcast.net jrusgrove at comcast.net
Fri Dec 14 16:44:40 EST 2012


WE2XGR/2 has been transmitting WSPR non stop for over 48 hours now on 475.620 kHz at 500 watts 
transmitter power (about 50 watts ERP) and a 25% transmit duty cycle. As one would expect a large 
amount of data has been amassed in the WSPR database. Thanks to all that provided spots and 
especially to those that stuck with it for the entire period!

A few observations:

There were 29 unique stations that posted a total of 2944 spots (as of about 1400Z) to the database.

The closest reporting station was W1VLF at  4.8 km / 3 mi.  and the most distant DL-SWL at  6070 km 
/ 3722 mi.

K3SIW at 1268 km / 788 mi had nearly uninterrupted copy throughout the entire day yesterday. KC0BMF 
at 1733 km / 1077 mi had good copy during the day but with more frequenct 'outages' especially 
around mid day. What a difference a day makes. K3SIW today had very few spots throughout the 
daylight hours. There was no copy of WE2XGR/2 during the day today by KC0BMF. The reason for this is 
not readily apparent.

EU reception by EI0CF started at 2318Z and lasted until 0312Z. West coast reception by W7IUV started 
at 0120Z and ended at 1222Z. There were several simultaneous EU / west coast receptions.

Manipulating the database yielded the attached table. Observations from those on the receiving end 
will be appreciated.

Jay W1VD  WD2XNS  WE2XGR/2

 ... in case the table doesn't make it through ... http://www.w1vd.com/WSPR121412.pdf

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