An Index for Ham Radio Magazine
A Searchable Index of the old "Ham Radio" Magazine
"Ham Radio Magazine" was a periodical that ran for almost 22 years from 1968 to 1990. Use this indexed search to quickly find what you'd like to look at and then go purchase the scanned magazines (On CD, elsewhere, or occasionally from some generous download website) or look for the old paper magazine at used bookstores.
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| By Title Text | By Author Callsign | By Year | List Categories |
|---|---|---|---|
Results by Issue - 'Apr 70'
| Category (CatID) | Article | Author | Page | Issue | Available to Buy? |
|---|---|---|---|---|---|
| power supplies(20) | Operational power supply | WA2IKL | 8 | Apr 70 | |
| audio(2) | Speech processor for ssb, simple | K6PHT | 22 | Apr 70 | |
| single sideband(26) | Speech processor for ssb | K6PHT | 22 | Apr 70 | |
| transmitters and power amplifiers - vhf and uhf transmitters(29.3) | 144-MHz two-kilowatt linear | W6OUV, W6ZO, K6DC | 26 | Apr 70 | |
| single sideband(26) | 144-MHz linear, 2 kW | W6UOV, W6ZO, K6DC | 26 | Apr 70 | |
| vhf and microwave - transmitters(31.4) | 144-MHz two-kilowatt linear | W6UOV, W6ZO, K6DC | 26 | Apr 70 | |
| miscellaneous technical(15) | Thermometer, electronic | VK3ZNV | 30 | Apr 70 | |
| features and fiction(7) | Catalina wireless, 1902 | W6BLZ | 32 | Apr 70 | |
| receivers and converters - general(22.1) | Audio filter, variable bandpass | W3AEX | 36 | Apr 70 | |
| audio(2) | Filter, variable bandpass audio | W3AEX | 36 | Apr 70 | |
| vhf and microwave - transmitters(31.4) | 432-MHz rf power amplifier | K6JC | 40 | Apr 70 | |
| transmitters and power amplifiers - vhf and uhf transmitters(29.3) | 432-MHz rf power amplifier | K6JC | 40 | Apr 70 | |
| single sideband(26) | 432 MHz rf power amplifier | K6JC | 40 | Apr 70 | |
| receivers and converters - high-frequency receivers(22.2) | Overload response in the Collins 75A-4 receiver, improving | W6ZO | 42 | Apr 70 | |
| commercial equipment(3) | Collins 75A-4 receiver, improving overload response in | W6ZO | 42 | Apr 70 | |
| measurements and test equipment(13) | Capacitance meter, direct-reading | ZL2AUE | 46 | Apr 70 | |
| miscellaneous technical(15) | Clock, 24-hour digital | K4ALS | 51 | Apr 70 | |
| antennas and transmission lines - general(1.1) | Dummy load and rf wattmeter, low-power | W2OLU | 56 | Apr 70 | |
| novice reading(16) | Dummy load and rf wattmeter | W2OLU | 56 | Apr 70 | |
| measurements and test equipment(13) | Dummy load and rf wattmeter, low-power | W2OLU | 56 | Apr 70 | |
| measurements and test equipment(13) | Sweep generator, how to use | Allen | 60 | Apr 70 | |
| troubleshooting(30) | Sweep generator, how to use | Allen | 60 | Apr 70 | |
| transmitters and power amplifiers - general(29.1) | Power attenuator, all-band 10-dB | K1CCL | 68 | Apr 70 | |
| transmitters and power amplifiers - general(29.1) | Swr alarm circuits | W2EEY | 73 | Apr 70 | |
| antennas and transmission lines - matching and tuning(1.4) | Swr alarm circuits | W2EEY | 73 | Apr 70 | |
| keying and control(12) | Grid-block keying, simple (HN) | WA4DHU | 78 | Apr 70 | |
| keying and control(12) | Contest keyer (HN) | K2UBC | 79 | Apr 70 | |
| power supplies(20) | Mobile power supply (HN) | WN8DJV | 79 | Apr 70 | |
| construction techniques(5) | Rectifier terminal strip (HN) | W5PKK | 80 | Apr 70 | |
| miscellaneous technical(15) | Earth currents (HN) | W7OUI | 80 | Apr 70 | |
| transmitters and power amplifiers - general(29.1) | Parasitic suppressor (HN) | WA9JMY | 80 | Apr 70 | |
| construction techniques(5) | Parasitic suppressor (HN) | WA9JMY | 80 | Apr 70 | |
| vhf and microwave - general(31.1) | Coaxial-line resonators (HN) | WA7KRE | 82 | Apr 70 |
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Mouse-over the text 'Issue Available' for the approximate condition the issue is in.