| 7-88 — elektor july/august 1981 91 crystal tuning fork The musician, who does not possess "perfect pitch", will no doubt occasionly have t...
| 7-88 — elektor july/august 1981 91 crystal tuning fork The musician, who does not possess "perfect pitch", will no doubt occasionly have t...
| 7-90 — elektor julyiaugust 1981 local oscillator filter for 2 m transceivers One of the most useful improvements that can be made to an ex...
| 1 6-20 — elektor june 1981 transverter for the 70 cm band for the Mem band how to transmit on 70 cm using 2 metre equipment P. de Winter P...
| 6-42 — elektor june 1981 roger bleep E.R. de Jager - PE1 DQL The Roger bleep is getting to be more and more popular with Hams and other tr...