Quartz Crystals For Every Service

All crystals made from Grade A Imparled quartz ground and etched 10 exact frequencies* Unconditionally guaranteed Supplied En Pin pacing W* in spacing Pin diameter 3 Pin diameter .125 MADE TO ORDER CRYSTALS * Specify Mulder wanted ,005 tolerance 2,50 ea. 9t01 KC to 11.000 KC .005 toieranre * * 3.00 ea Amateur, Novice, Technician Band Crystals ,01 Tolerance - . - 1-50 ea. SO meters (3701- t7l0 TiCh 40 meters (7152-7108 KC), 15 mclerfl (7034-7082 KC), 6 meieri ( 335-8650 KC) vilthtn 1 KC FT-241 1...

Info

In lieu of half of the magazine being filled with specialized departments, we recommend that you subscribe to the bulletin of your special interest. You get a lot more news and get it faster this way , . , and you encourage the fellows who are putting out these bulletins. WESTERN RADiO AMATEUR- Don Williamson W6JRE, 10517 Haverly Street, El Monte, California. Monthly. Subs are 2 per year, 3,50 for two years, 5 tor three years. Operating news of west coast activity columns on DX. SSB, r L, and...

Gonset Communicator Iv

Gonset Communicator

220 megacycles, long regarded as a bsnd of promise . where big antenna gain comes easy. A quarter-wave antenna is only a foot long and good ground planes-including the top of a car are easy to come by. Simple beams and even complex arrays of high gain are conveniently small in size easy to put together and get up into the air. Here's a band where antenna experimentation can run rampant, Multi-element yagi's,*. stacked colinears sleeve types , bedsprings . fog-periodic types helicals. The band...

H

Complete construction information on the slicer is too long to incorporate here. It was published in GE Ham News Vol 5. No. 4 July, 19.51 and will be reprinted in a GE Sideband book set for publication in early 1961. A schematic diagram but no alignment information is on page 15 of Single Sideband Techniques by Jack N. Brown, W3SHY. As mentioned earlier, this short listing doesn't include every selectivity-improving trick in the book, If it attempted to do so, there wouldn't be room for...

Magazine

1379 East I5fh Street Brooklyn 30, N. Y. Six Meter Nuvistor Converter Russell Summervrlie K8BYN . .____ 9 Two 6CW4s in c .srofie give a fearfully low ntist- figure. Another valuable niece of test gear for he ham shack. Surge Protection in Reverse Roy E. Pafenberg 13 Protect your silicon diode power supply from destruction hy hortiii i Let's Modulate, Not Crepitate Richard Genaille K4ZGM 14 Getting modulation f gt ut of a Heisinjr Moiulatur. A New Noise Limiter . Jim Kyle K5JKX 6 16 Get out the...

Wattdrive L2500

48 db 30 db 24 db 10 db 6 db 0 db noneffective 85-90 db 55 db 43 db 15 db 6 db 0 db not effective NOTES These- values jissume audio cutoff frequency ,.r lu- following limiter higher cutoff frequency wiW leu rade absolu le values but will not alter ratio between Most noise milses range from 1 lo 10 micro seconda in length. Suppression of 40 db or more effectively limin tes the puJse for most listeners. Conway L Wilson W4WQT Route 3, Box 39 Madison, Alabama WE Hams are a lucky group. We all have...

Centimeg Electronics

3T2 E, Imperio Htghwoy E Segundo, Californio PS-C pwr, supply for converters, S24,95 432 mc Triopler Amp. Exciten your 2M rig, with 2C39 432 mc xtal cont. xm'r. 10W out 2C39 ____S1S4.50 An awful lot of engineering and care has gone info our products so at least send for our data sheets.

Pe Gasoline Engine Generator

FOR POWERING RT-77 GRC-9 BC-I306 SCR-694 romper , IlghtAeiUiL, pnrisibh- electric Kefifrutiiig set eons Mine of ii 1 HP SOOii BFM 1 cylinder, air cooled cycle, minitial mpe Marling gasoline engine directly connected to a DC. shunt wound, elf excited, four pole generator contained in a frame of tubular roustrtietinn mounted on mMier shock nifiunttngs. Generator is DC hunt wound, self excite , 4 i gt ote, hull bearing uifii output of i.2 7 Vl gt lt 3.3 rnp and ifM Vnc 230 250 MA. Unit has...

Sosurplus Radio Conversion Manual Volume

This book gives circuit diagrams, photos of most equipment, and rather good and complete conversion instructions for the following BC-221, BC 342, BC-312, BC-348, 8C-412, BC 645, BC-946B,. SCR-274N 453A series receivers conversion to 10 meter receivers, SCR 274N 457A series transmitters conversion to VFO , SCR-522 BC-624 and BC-625 conversion to 2 meters , TBY to 10 and 6 meters, PE-103A, BC-1068A 1161A receiver to 2 meters. Surplus tube index, cross index of A N tubes...