Category (CatID) |
Article |
Author |
Page |
Issue |
measurements and test equipment(13) | Spectrum analyzer, four channel | W9IA | 6 | Oct 72 |
receivers and converters - general(22.1) | Spectrum analyzer, four channel | W9IA | 6 | Oct 72 |
miscellaneous technical(15) | Frequency synthesizer, high-frequency | K2BLA | 16 | Oct 72 |
measurements and test equipment(13) | Frequency synthesizer, high-frequency | K2BLA | 16 | Oct 72 |
transmitters and power amplifiers - high-frequency transmitters(29.2) | Frequency synthesizer, high frequency | K2BLA | 16 | Oct 72 |
antennas and transmission lines - high-frequency antennas(1.2) | Dipole, all-band tuned | ZS6BT | 22 | Oct 72 |
vhf and microwave - transmitters(31.4) | 144-MHz fm transmitter, Sonobaby | Crystal deck for Sonobaby | 26 | Oct 72 |
fm and repeaters(9) | Fm transmitter, Sonobaby, 2 meter | Crystal deck for Sonobaby | 26 | Oct 72 |
transmitters and power amplifiers - vhf and uhf transmitters(29.3) | 144-MHz fm transmitter, Sonobaby | Crystal deck for | 26 | Oct 72 |
semiconductors(25) | Impulse generator, snap diode | Siegal, Turner | 29 | Oct 72 |
semiconductors(25) | Snap diode impulse generator | Siegal, Turner | 29 | Oct 72 |
measurements and test equipment(13) | Impulse generator, pulse-snap diode | Siegal, Turner | 29 | Oct 72 |
antennas and transmission lines - high-frequency antennas(1.2) | 160 meters with 40-meter vertical | W2IMB | 34 | Oct 72 |
propagation(21) | 6-meter sporadic-E openings, predicting | WA9RAQ | 38 | Oct 72 |
antennas and transmission lines - high-frequency antennas(1.2) | Dipole pairs, low SWR | W6FPO | 42 | Oct 72 |
integrated circuits(11) | Multi-function integrated circuits | W3FQJ | 46 | Oct 72 |
miscellaneous technical(15) | Multi-function integrated circuits | W3FQJ | 46 | Oct 72 |
RTTY(23) | Electronic speed conversion for RTTY teleprinters | Printed circuit for | 54 | Oct 72 |
RTTY(23) | Printed circuit for RTTY speed converter | W7POG | 54 | Oct 72 |
antennas and transmission lines - general(1.1) | RF power meter, low-level | W5WGF | 58 | Oct 72 |
measurements and test equipment(13) | Rf power meter, low-level | W5WGF | 58 | Oct 72 |
power supplies(20) | Load protection, scr (HN) | W5OZF | 62 | Oct 72 |
keying and control(12) | Sequential switching (HN) | W5OSF | 63 | Oct 72 |
antennas and transmission lines - high-frequency antennas(1.2) | Ground plane, three-band | Footnote: letter | 65 | Oct 72 |
audio(2) | Tape head cleaning (letter) | Buchanan | 67 | Oct 72 |
power supplies(20) | Current limiting (HN) | W0LPQ | 70 | Oct 72 |