What's New

Multilingual support: English, German, French and Italian.

App Description

WSPR it's a protocol, developed by K1JT Joe, designed for probing potential propagation paths with low power transmissions. Normal transmissions carry a station callsign, maidenhead grid locator, and transmitter power in dBm.

This App, used in combination with an hamradio transmitter, allow you to send a signal that, if received by someone, will be reported on wsprnet.org.

This is also great tool for checking your antenna system or comparing two radio,

Inside the App you will also find the connection schema, under "Help" menu, for radio with VOX and PTT!

Have fun! 73!

iPhone Screenshots

(click to enlarge)

iWSPR TX - QRP Hamradio screenshot 1 iWSPR TX - QRP Hamradio screenshot 2 iWSPR TX - QRP Hamradio screenshot 3 iWSPR TX - QRP Hamradio screenshot 4

iPad Screenshots

(click to enlarge)

iWSPR TX - QRP Hamradio screenshot 5 iWSPR TX - QRP Hamradio screenshot 6 iWSPR TX - QRP Hamradio screenshot 7 iWSPR TX - QRP Hamradio screenshot 8

App Changes

  • January 24, 2014 Initial release
  • January 31, 2014 New version 1.1
  • September 24, 2014 New version 1.2
  • December 05, 2014 New version 1.3
  • December 09, 2014 New version 1.4
  • May 21, 2015 Price increase: $1.99 -> $3.99
  • May 24, 2015 Price decrease: $3.99 -> $1.99
  • May 27, 2015 Price increase: $1.99 -> $3.99
  • May 31, 2015 New version 2.0
  • July 17, 2015 New version 2.11
  • March 09, 2016 New version 2.2
  • June 23, 2016 New version 2.4
  • June 14, 2019 New version 2.8
  • July 14, 2020 New version 2.90
  • July 14, 2020 Price increase: $3.99 -> $4.99
  • May 06, 2021 New version 3.0
  • May 06, 2021 Price decrease: $4.99 -> $3.99

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