ER #215, April 2007


Issue Contents

0W3BYM,Photographs of Hams
2Mini-Max: A Practical Transmitter Using Unusual Concepts, A Part 1Marcellino,Construction
10Broadcast and Amateur Transmitter Audio Revisited, Part 1Kuraner,Audio and Modulation
14Work of Art: A Collins 30K-1 Time Capsule Found, Part 1Howes,Transmitters
22Collins 75S-1 Copy Cats (Allied AX-190)Teeters,Receivers
27Chinese Type 139 Receiver, a GRC-9 CopyRiff,Military
30Another Fowler 1984 R-390A Has Survived , Part 2 FAQViappiani,Military
34Power Supply Replacement/Upgrade for the Heathkit SB-400 and SB-401Waldrop,Modifications
37Tuning the Heathkit SB-200 Linear Amplifier Input Circuit CoilsGregowski,Collecting/Repair/Restoration
39W0ENE,Photographs of Hams
40Advice on Mobile AntennasHooper,Antennas
40KF6AR,Photographs of Hams
42Restoring ART-13 Bakelite KnobsWilber,Collecting/Repair/Restoration
43Little Old Coax (Inside Radios)Riff,Collecting/Repair/Restoration


Electric Radio Edition #215, April 2007

Additional information

Weight3.4 oz
Dimensions9 × 6 × .25 in