[W5SFA] Some WSPR tidbits

Roger Klein rwklein at katyweb.net
Fri Dec 15 21:19:28 CST 2017

W5SFA Members,


For those of you who are interested in WSPR (Weak Signal Propagation
Reporting), I wanted to share a few tidbits I've discovered.  Read on if


1. The map view on http://www.wsprnet.org/drupal/wsprnet/map shows you
spots:  what stations are hearing your beacon, or the beacons that your
receiver is hearing).   But if you are both transmitting and receiving, you
can't separate the spots in map view.  Here's the fix:  go to
http://wspr.aprsinfo.com and you'll get a map view that allows you to
separate the transmit spots from the receive spots.


2. If you're into excessive statistics, KB9AMG has a site that shows the top
station spots, spotters, two way spots and reports by grid square.  And if
you really have nothing else to do, you can look up your ranking in the
spots/spotters lists.  See http://mardie4.100webspace.net/index.html
Remember, the person who dies with the most spots, wins!


3. SOTABeams <https://www.sotabeams.co.uk/wsprlite-classic>  sell a small
transmitter called the WSPRLite.  It's kind of pricey at $80, but you can
select the transmitter output level up to 200mW.  There is a pretty god
video on that page that explains WSPR and their device.  They have a web
site, http://www.dxplorer.net, where you can do comparisons of antenna
performance if you've purchased the WSPRLite device.  However, the basic
DXplorer.net site is available for anyone to use in Standard Mode (e.g.
without the comparisons) and has some useful displays and stats.


4. I've set up a WSPR receiver using a Raspberry Pi and a $20 RTL-SDR dongle
and some free software.  It runs continuously, listening for a couple of
cycles on each band, and uploads any spots it picks up to wsprnet.org using
the Pi's wifi connection.  The setup is totally automated, and I don't have
to keep my expensive rig running to pick up WSPR spots.  If you're
interested in more details, let me know.



Roger N5RWK



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