| Category (CatID) |
Article |
Author |
Page |
Issue |
| antennas and transmission lines - high-frequency antennas(1.2) | Longwire antenna. new design | K4EF | 10 | May 77 |
| antennas and transmission lines - general(1.1) | Ground screen, alternative to radials | WB0JGP | 22 | May 77 |
| antennas and transmission lines - transmission lines(1.6) | Balun, coaxial | WA0RDX | 26 | May 77 |
| antennas and transmission lines - transmission lines(1.6) | Antenna-transmission line analog, part 2 | W6UYH | 29 | May 77 |
| vhf and microwave - antennas(31.2) | 10 GHz, broadband antenna | WA4WDL, WB4LJM | 40 | May 77 |
| commercial equipment(3) | Ham-M rotator automatic position control | WB6GNM | 42 | May 77 |
| antennas and transmission lines - towers and rotators(1.5) | Ham-M rotator automatic position control | WB6GNM | 42 | May 77 |
| antennas and transmission lines - high-frequency antennas(1.2) | Phased vertical array, fine tuning | W4FXE | 46 | May 77 |
| antennas and transmission lines - vhf antennas(1.3) | Mobile antennas, vhf, comparison of | W4MNW | 52 | May 77 |
| fm and repeaters(9) | Mobile antennas, vhf, comparison of | W4MNW | 52 | May 77 |
| antennas and transmission lines - high-frequency antennas(1.2) | 3.5-MHz phased horizontal array | K4JC | 56 | May 77 |
| measurements and test equipment(13) | Slotted line, how to use (repair bench) | W6NBI | 58 | May 77 |
| antennas and transmission lines - transmission lines(1.6) | Remote switching multiband antennas | G3LTZ | 68 | May 77 |
| antennas and transmission lines - general(1.1) | Gin pole, simple lever for raising masts | WA2ANU | 72 | May 77 |
| antennas and transmission lines - high-frequency antennas(1.2) | Phased array, design your own | K1AON | 78 | May 77 |
| antennas and transmission lines - high-frequency antennas(1.2) | Bobtail curtain array | W8YFB | 81 | May 77 |
| measurements and test equipment(13) | Frequency measurement, vhf, with hf receiver and scaler (HN) | W3LB | 90 | May 77 |
| antennas and transmission lines - vhf antennas(1.3) | Converting low-band mobile antenna to 144-MHz (HN) | K7ARR | 90 | May 77 |
| fm and repeaters(9) | Converting low-band mobile antenna to 144 MHz (HN) | K7ARR | 90 | May 77 |
| power supplies(20) | Voltage regulators, boosting bargain (HN) | WA7VVC | 90 | May 77 |
| vhf and microwave - general(31.1) | Vhf circuits, eliminating parallel currents (HN) | G3IPV | 91 | May 77 |
| television(28) | Vestigial sideband microtransmitter for amateur television | Short circuit | 94 | May 77 |
| antennas and transmission lines - transmission lines(1.6) | VSWR indicator, computing | Short circuit | 94 | May 77 |
| measurements and test equipment(13) | VSWR indicator, computing | Short circuit | 94 | May 77 |
| receivers and converters - general(22.1) | I-f amplifier design | Short circuit | 94 | May 77 |
| fm and repeaters(9) | Up/down repeater-mode circuit for two-meter synthesizers, 600 kHz | Short circuit | 94 | May 77 |
| RTTY(23) | AFSK, digital | Short circuit | 94 | May 77 |
| measurements and test equipment(13) | Frequency counter, CMOS | Short circuit | 94 | May 77 |