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Digital Mode

Digital Mode

Conditions on VHF

December 30, 2019December 30, 2019 - by Joost

It started with this newsitem on Hamnieuws.nl (in Dutch) : https://hamnieuws.nl/afstandsrecord-op-432-mhz-alweer-verbroken/ Seems that there were conditions on VHF and UHF.

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Digital Mode

FT4, first QSO

November 1, 2019November 1, 2019 - by Joost

Today I tested FT4 for the first time. Not really because I had troubles with WSJT-X before, audio output was on the low side. Used WSJT-Z (download here) and this …

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Digital Mode / Other

RTTY sound in movies

June 24, 2011April 6, 2016 - by Joost

When watching a documentary today I noticed that the makers used the very known rtty sound when they are talking over wireless communication. I remember that in the James Bond …

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Digital Mode / Ham Radio / WSPR

My personal best dx using wspr

December 12, 2010April 6, 2016 - by Joost

My top 5 of my best dx using wspr. On 20m the antenna is a half wave vertical. On 80/40 and 30m I used the Diamond W735 with an extra …

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Digital Mode / Projects

Avoid uncontrolled transmissions with this simple modification on your radio interface

February 5, 2009April 6, 2016 - by Joost

Ham radio operators interested digital modes will often use these computer interfaces to automate CW contacts (send morse code from the PC), use the PC soundcard for RTTY and control …

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