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73 Magazine (October 1961)

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Book Id: WPLBN0003304800
Format Type: PDF eBook :
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Reproduction Date: 2011

Title: 73 Magazine (October 1961)  
Language: English
Collections: Periodicals: Journal and Magazine Collection, 73 Magazine
Publication Date:


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73 Magazine (October 1961). (1961). 73 Magazine (October 1961). Retrieved from

Description: 73 Magazine October 1961 (#13) Six Meter Linear Amplifier - 90 watts AM, 360 watts PEP SSB, 2-1/2 watts drive to pair 7378s ...... W2LPC 6 Simple High Stability, VFO - 5763 osc., 5763 buffer. Colpitts circuit ...... W2RWJ 14 73 Tests the Central 200V - It works ...... Staff 18 CQ de 73 - Converting the ARA-26 surplus keyer for ham work. Inexpensive, and lots of fun ...... W2WKM 22 Like New Mixer Circuit - New way to improve sensitivity and stability of your receiver ...... Staff 32 Two Meters the Easy Way - The MRT-90 packset, available surplus, makes a terrific two meter transceiver ...... W2WKM 36 Useful Accessory for the Shack - You can't get along without this wavemeter/field strength meter/monitor ...... W2WXH/6 38 Inexpensive Vertical - Easy to put up, tunes 80-40-15 meters, and works out fine ...... W6NKE 40 Dual Diversity Beam - This, we predict, will be a very popular DX'ing antenna ...... K6CT 42 VFO Circuits - Good and bad features of all known circuits. Our big technical article ...... Staff 46 Obtaining That DX License - Gus divulges his secret tactics which will soon give him a reverse DXCC ...... W4BPD 58 Sequential Electronic Switch - Key VFO and final screens in sequence for clickless spark-free keying ...... KV4CI 62 Propagation Charts - What time to where, on what band probably. For world and U.S. short path ...... K2IGY 64 Send-Receive Ground Switch - Antenna switch for simple ham stations. Also keeps lightning out ...... Pyle 66 Maximum Utilization from Variacs - Very useful devices. They're available surplus if you hunt around. Even new they're worth it ...... W4CAG 72 Construction Do's and Don'ts - Rules of the game. Read please ...... K5JKX/6 76 Emcar 6 - Why you should get a Porsche to go with your mobile rig ...... W3JXT 82 Little Thief - Li'l one tube CW rig powered from your receiver ...... W3FQJ 84 Index courtesy of

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