WSPR some data
Here some analysis of my recorded spots data with my spot data collector. As of today there are 45.000 spots recorded in my database.
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- Kategorie: WSPR
RF detectors
I've done some measurements on two RF detectors - one on an older diode detector from ELDITEST 
and another one on an AD8307 based one 
from SV1AFN.
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- Kategorie: Measuring Technology
WSPR first data analysis
My WSPR data collector is now running some days and I started with some basic data analysis.
The power on the bands 60m to 20m is about 100mW!
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- Kategorie: WSPR
WSPR data collector
Inspired from some work found on the Internet and the full functionality of my U3S I've build an automatic spot collector. The spot collector pulls every 5 minutes my spots from WSPRnet.org and puts it into a MYSQL database for later analysis. See the schematic for this setup 
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- Kategorie: WSPR
vna/J ist umgezogen
Alle Informationen bezüglich vna/J sind auf eine neue Webseite umgezogen:
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- Kategorie: vna/J
vna/J moved to a new location
All information regardung vna/J is moved to my new site
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- Kategorie: vna/J
Reflash Arduino UNO ATMEGA16U2
In case you've bricked the UNO bootloader or even the USB bootloader in the ATMEGA16U2, this may help ...
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- Kategorie: Arduino
2014 CW (Morse Telegraphy) was added to the German Nationwide Inventory of Intangible Cultural Heritage.
Regular supporter of 
© 2019 Dietmar Krause, DL2SBA