After seeing my simple 30m mept tx get to I and G, I have been thinking about if it would be possible to tx wspr using the same xo and buffer as I have been using in mept.
For the time coordination, I have thought about using a now shelf project that I used years ago. A DCF77 digiclock, slightly modified. I added a level converter for rs-232 levels. I used it for a ntp project. It gives time signals with about ~25ms accuracy.
First thing is to find out how to generate the 4-FSK coded signal.
Friday, May 1, 2009
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Hi Soeren,
ReplyDeleteYES you can build a WSPR TX with a PIC16F628.
My standalone WSPR TX is ON AIR now for more than 1 year.
See the WSPR Database.
Want more infos ?
I could post you a picture of my WSPR TX.
peter dl6nl
A link would be nice (8
ReplyDeleteSoeren
ham radio equipment...
ReplyDeleteI\'m currently studying for my foundation license with the North Wales ARS club. And will be taking the exam in early June and I hope to receive my M6 call sign soon afterward....