Skip to content
Weak Signal Propagation Reporter on a breadboard
Branch: master
Clone or download
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Permalink
Type Name Latest commit message Commit time
Failed to load latest commit information.
drivers WSPR beacon Mar 23, 2019
img Wspr beacon Mar 23, 2019
libraries
pdf_french partie 4 Apr 11, 2019
sch WSPR beacon Mar 23, 2019
software partie 4 Apr 11, 2019
src Wspr files for breadboard Mar 23, 2019
README.md

README.md

WSPR beacon on breadboard

f4goh@orange.fr

wspr

Wiring

  • Wire the schematics below

sch

  • Adjust output filter as filter design calculation

filter design

filter

  • Use mini tore calculator to find inductor turns

mini tore calculator

tore

tore

  • Check filter with a VNA (optional)

vna

Programming

  • Copy libraries files into Arduino/library folder

  • run WSPR encoder.exe put your callsign, locator and power and generate symbols.

symbols

  • Paste symbols into WsprSimple.ino
	int wsprSymb[] = {3, 3, 0, 0, 0, 2, 0, 2, 1, 2, 0, 2, 3, 3, 1, 0, 2, 0, 3, 0, 0, 1, 2, 1, 1, 3, 1, 0, 2, 0, 0, 2, 0, 2, 3, 2, 0, 1, 2, 3, 0, 0, 0, 0,
	                  2, 2, 3, 0, 1, 3, 2, 0, 3, 3, 2, 3, 2, 2, 2, 1, 3, 0, 1, 0, 2, 0, 2, 1, 1, 2, 1, 0, 3, 2, 1, 2, 3, 0, 0, 1, 2, 0, 1, 0, 1, 3, 0, 0,
	                  0, 1, 3, 2, 1, 2, 1, 2, 2, 2, 3, 0, 0, 2, 2, 2, 3, 2, 0, 1, 2, 0, 3, 3, 1, 2, 3, 3, 0, 2, 1, 3, 0, 3, 2, 2, 0, 3, 3, 1, 2, 0, 0, 0,
	                  2, 1, 0, 1, 2, 0, 3, 3, 2, 2, 0, 2, 2, 2, 2, 1, 3, 2, 1, 0, 1, 1, 2, 0, 0, 3, 1, 2, 2, 2
	                 };
  • Adjust frequency
#define frequence 7040100
long factor = -1500;

Usage notes

  • Program Arduino Nano
  • Adjust RTC clock by typing "h" key on serial monitor

clock

  • Connect any HF antenna

Beacon transmit every 2 min, monitor transmission with your receiver and adjust frequency "factor" offset if there is outside the WSPR band

  • Enjoy WSPR beacon.

map

73

Anthony

You can’t perform that action at this time.