73 Amateur Radio Today – July 1963
Issue Contents:
Sizzling Six
– Super sensitive six meter converter. Kit available …… W9DUT 8
Chemical City TU
– One of the best RTTY converters to come along so far …… K8IQJ 14
Low-ebb in the Sunspot Cycle
– “Humph that’s science fiction” said Tom astoundingly …… K2TKN 17
Two-banding the Swan One Bander
– Cinch …… W8DZH 18
Six Meter Transmitter
– 2E26 output. Kit available on terrific tuning-indicator …… K6GKU 22
Two Meter Antenna Coupler and SWR Bridge
– Very important item for VHF’ers …… W6TKA 32
Field Day
– Eimac hams get out for this annual event …… W6JAT 28
Replacement Power Transformer
– What to do when caught without a replacement …… W5PPE 36
The Visitor
– Parable …… W2CRR 38
Paco GDO
– A good little dipper you may have overlooked …… W5SUC 46
The Cubical Quad
– How they work …… W4YM 48
Two-band VHF Quad
– Six and two meters …… W6SFM 50
Putting a Quad Up
– With a minimum of money and manpower …… K2AAC 58
Three-band Three-element Quad
– Now that you know how great quads are here’s how to make one …… W9AIW 62
Propagation
– What time to where maybe …… Nelson 65
Active SSB Modulators
– Big technical article. Guaranteed understandable …… Staff 66
New Look in RF Ammeters
– Do-it-yourselfing ammeters …… W4WKM 72
Knight-kit R-100A
– Checking out this inexpensive receiver …… W6EUM 76
Heath Monitor Scope
– Long needed product. Works …… W4WKM 78
73 Amateur Radio Today – July 1963