I still have my edge triggered 100Kz > 10 Kz frequency standard as required by my licence of 1972 .. some times it was 9Kz some time 11Khz just had to count very slowly in-between the bigger 100k bli
for those interested : http://www.radiomuseum.org/r/darc_darc_standardgeraet_nr_2.html 73, Rik ON7YD - OR7T Van: [email protected] [[email protected]] namens Walter