Circle S M Re Ao Er Service Card

As long as the switch remains in Hank 4, the selector can pull the appropriate lines lou and step through the banks, I he signals intended for the voice synthesizer arc narrow and rapid, and vary depending upon the frequency to be spoken. They occur in a burM each time you press the voice button so some input signal conditioning is required to prevent false or unreliable triggering of the selector circuit. In the schematic diagram in Figure I IC I, a 400IB quad...

Call Today For Special Quote

Michael Geter KB 1UM PO Box 64766 S Burlington VT 05406 Last month we dtscussed the basics of frequency synthesis As 1 hope you'll recall, we explored the concepts of the voltage-controlled oscillator and t he phase-locked loop wilh its programmable divider. Now let's see what it takes to fix one of these beasts when it fails. Before you try to fix your synthesizer, be sure fI is actually brokenf Many radio failures can cause the same result a dead rig. It's important to use the process of...

Guyed Tower Sections

25G. 45G, 55G A accessories Call for current prices. New 7 ft UPS shippabte 25G sections FOLD-OVER TOWERS TELEX hy-gain Crank-up towers 37 -70 ' TH7DXS 7-el. Efibander TH5 Mk2- 5-el trrbander Explorer-1 J- tribander Discoverer 40 Meter beams 205BAS 5-el 20 M Deam 2043AS 4-ei. 20 M beam 155BAS 5-el 15 M. beam 105BAS 5-el, 10 M beam 18HTS 80-10 M. vertical 18ATV WBS 80-10 M verbal V2S 73S amp V4S 215-DX 15 ei 144 MHz beam 7031 DX et 432 MHz bear 64BS amp 66BS 6 Meter beams OSCAR Link Antennas...

Circle On Reader Service Card

Kit DAK-2 -Seven different MMiC the receive and transmit amplifi-devices come in this kit of 35 ers, The two amplifiers each feed amplifiers and are available for one leg of a combiner which ties to C.L Houghton WB6IGP San Diego Microwave Group 6345 Badger Lake Dr. San Diego CA 92119 Because of a tight work schedule, I missed some 6 meter openings, but I was able to listen to others on my recorder. Hope you made a lot of contacts To improve my 6 meter station, I'm currently building a high...

Info

A Simple Multiband HF Vertical Antenna Low profile, high performance, inexpensive vertical. Sunspots are back, wc have the WARC bands, and multiband vertical antennas are monsters of complexity. All true statements'.' I thought so until until I stole several different designs i called research and put them together to get a simple, cheap, and best of all, great working multiband vertical antenna. Why a vertical Vertical antennas have a very small footprint, a very important consideration for...

Ff Ff Ff Ff Ff Ff Ff Ff Ff Ff Ff Ff Ff Ff Ff Ff

1 REM 'BINCORBAS1 VER1.0 15JAN90 GW-BASiC 3 REM BINARY CONVERTER PROGRAM FOR EPROM BURNERS 5 REM INPUT FILE MUST BE HEX CAPS IN ASCII FORMAT 7 REM INPUT FILE SHOULD BE NAMED rCODE.IN' 10 OPEN CODE.IN FOR INPUT AS 1 20 OPEN EPROM,OUT FOR OUTPUT AS 2 30 F EOF 1 THEN 120 40 X NPUT 1,1 50 IF X CHRS 32 OR X CHR 10 OR X CHR 13 THEN 30 60 L ASC X H8 IF L gt 9 THEN L L-7 70 XS INPUTS 1,1 80 R - ASC X H8 IF R gt 9 THEN R R-7 90 PRINT 2,CHR lt L16 R 100 PRINT L,R 110 GOTO 30 120 CLOSE 130 END Andy...

Dx

Bob Winn WSKNE c oQRZDX PO Box 832205 Rtchardson TX 75083 As I write this month's column during mid-January, the Club Souvet 3V5X DXpeditiOn to Bouvet Island has gone QRT. The operators reportedly departed the island on January 14 after more than 40,000 contacts and a two-week operation pEagued by an unusual amount of malicious interference. Bear with me, and I'll get to that shortly. In the January DX column, the League of Indianapolis DXers1 DXpedition to Souvet 3Y0B was featured, but just a...