Re: [VLF_Group] www.vlf.it update
extracted from tweeks.
Some while ago I made some trials with vttoga to get it to
recognise tweeks and measure their tails. Was hoping the
TNU group could use it to automate their measurements but
the program wasn't reliable enough. Both the recognition and
the measurement are tricky to do and easily upset by noise,
sferics and mains harmonics. It is hard to do better than
manually placing a cursor on the tail by eye.
The code remains in vttoga with an undocumented -w option,
uses a spectrum reassignment to try to pick out the
asymptotic tail frequency. One day I'll get back on to
- Dear All ,
the Austin transformer is a good solution .
I have used and maintained in around 13 AM transmitter arounr the worls ,
but was so stupid not to think about .. Hi ..
The 144 MHz solution can be used as a CW beacon .hi ..or going at the
frequency of some ISM bands .
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