{"id":2257,"date":"2020-07-03T21:12:51","date_gmt":"2020-07-03T21:12:51","guid":{"rendered":"https:\/\/www.snapwhole.com\/index.php\/73-amateur-radio-today-may-1962\/"},"modified":"2023-01-17T01:05:10","modified_gmt":"2023-01-17T01:05:10","slug":"73-amateur-radio-today-may-1962","status":"publish","type":"page","link":"https:\/\/www.snapwhole.com\/index.php\/73-amateur-radio-today-may-1962\/","title":{"rendered":"73 Amateur Radio Today – May 1962"},"content":{"rendered":"\n

73 Amateur Radio Today – May 1962<\/span><\/p>\n\n\n\n

Issue Contents:<\/span><\/h3>\n\n\n\n

6M Double-sideband AM Transmitter<\/h3>\n\n\n\n

– Uses circuit board. Whole bunch of fellows are getting on with this simple rig …… K8AOE K8MSB 10<\/p>\n\n\n\n

Two’er Modifications<\/h3>\n\n\n\n

– AC\/dC power supply new osc. circuit. Applicable to 10’er & 6’er too …… K2ORY 16<\/p>\n\n\n\n

73 Tests the Telco 201 Converter<\/h3>\n\n\n\n

– This six meter nuvistor converter is amazing …… WA2INM 18<\/p>\n\n\n\n

ARC-5 VHF<\/h3>\n\n\n\n

– Inexpensive surplus rig auto-tunes to 6 2 and 1-1\/4 meters …… WA2FHC 20<\/p>\n\n\n\n

73 Tests the Clegg 99’er<\/h3>\n\n\n\n

– Everybody probably already knows that this rig is great …… WA2HVK 22<\/p>\n\n\n\n

7077 Two Meter Converter<\/h3>\n\n\n\n

– 73 is first again with an application of this new ceramic tube …… WA6EWV 24<\/p>\n\n\n\n

Four Layer Devices<\/h3>\n\n\n\n

– Keeping you abreast of fast moving developments in solid state gadgets …… K4CPR 30<\/p>\n\n\n\n

A New Broom<\/h3>\n\n\n\n

– Sweep generator for aligning filters and stuff …… K6JHJ 32<\/p>\n\n\n\n

All Band Linear<\/h3>\n\n\n\n

– Using four EL-34’s (those hi-fi tubes) 300 watts …… W9CJS 34<\/p>\n\n\n\n

FSK Without Relays<\/h3>\n\n\n\n

– Diode keying unit replaces polar relays for the RTTY group …… W5QJR 38<\/p>\n\n\n\n

Do Hams Have Fun?<\/h3>\n\n\n\n

– You’ll have fun with this one …… W4WQT 40<\/p>\n\n\n\n

Receiver Prices<\/h3>\n\n\n\n

– Original prices and dates on old receivers. Nostalgia Inflation! …… W0HKF 46<\/p>\n\n\n\n

The 85 B14 Receiver<\/h3>\n\n\n\n

– This receiver should keep you out of trouble for this month …… Bernard 50<\/p>\n\n\n\n

Vacuum Capacitor Traps<\/h3>\n\n\n\n

– Surplus vacuum condenser units for multi-band traps …… W4API 60<\/p>\n\n\n\n

Budget VTVM<\/h3>\n\n\n\n

– Easy to build gadget. Get out the soldering iron …… W7INX 62<\/p>\n\n\n\n

Notes on Silicon Rectifiers<\/h3>\n\n\n\n

– We’ll have to start a silicon rectifier department soon …… K5IPY 66<\/p>\n\n\n\n

73 Tests the Heath HA-10 Linear<\/h3>\n\n\n\n

– Another Heath rig proves out FB …… K3KMO 68<\/p>\n\n\n\n

Complete Fire Insurance<\/h3>\n\n\n\n

– Or how to keep your transistors out of the garbage …… W6VAT 70<\/p>\n\n\n\n

73 Tests the Knight RF Z Bridge and Pocket VOM<\/h3>\n\n\n\n

– For $5.85 and $9.95 you sure don’t go wrong …… WA2INM 74<\/p>\n\n\n\n

73 Tests the Hallicrafters HT-40K<\/h3>\n\n\n\n

– New kit from Hallicrafters …… W3UZN 76<\/p>\n\n\n\n

Propagation Charts<\/h3>\n\n\n\n

– What time to where when on what band… Probably …… K2IGY 78<\/p>\n\n\n\n

RF Q Multiplier<\/h3>\n\n\n\n

– More fun with the 2N169A …… K6BIJ 80<\/p>\n\n\n\n

High Power Antenna Switching Unit<\/h3>\n\n\n\n

– Using one of the ART-13 antenna switching units to good effect …… W4WKM 82<\/p>\n\n\n\n

A Cheap Simple Plate Modulator<\/h3>\n\n\n\n

– The surplus Command Set MD-7 is cheap and works fine …… WA2PGX 86<\/p>\n\n\n\n

Keep Your Key from Crawling<\/h3>\n\n\n\n

– Without bolting it to the table …… Pyle 89<\/p>\n\n\n