Year of construction |
Description | In use |
|---|---|---|
1975 |
CW Transmitter, 100 W iwith 2 x 807 and Geloso VFO | no |
1988 |
HF Antenna Tuner derived from the ARRL Handbook 1975 pag. 585 | yes |
1977 |
Accukeyer derived from the ARRL Handbook 1975 pag. 362 | no |
1977 |
Magnetic Iambic Palettes copied from the picture at pag. 83 of QST 12/78 (Scotia Paddle) | yes |
1977 |
Fet Dip Meter "Minidip" derived from CQ Elettronica 11/75 pag. 1608 | yes |
1978 |
Three cell cavity filter for 144 MHz | yes |
1978 |
SWR meter for UHF derived from CQ elettronica 11/75 pag.1501 | yes |
1978 |
Power supply 5 ÷ 12 V 5 A | yes |
1979 |
Capacity meter derived from QST 09/78 pag. 11 | yes |
1980 |
Converter 432 - 28 MHz derived from CQ Elettronica 02/75 pag. 206 | yes |
1980 |
Converter 50 -28 MHz derived from the ARRL Handbook 1975 pag.300 | yes |
1982 |
Transverter 28 - 144 SSB and CW derived from Radio Rivista | no |
1986 |
Varactor tripler144 - 432 derived from CQ Elettronica 01/75 pag.116 | no |
1988 |
VHF Antenna Tuner derived from the ARRL Handbook 1975 pag. 636 | yes |
1990 |
VHF SWR meter derived from Radio Rivista | yes |
