Hvpsxfmr

This is a fly-back type transformer and is used in the SUNTRONIX H VPS described above. We'll supply schemaiic information for con structing your own HVPS. Wt. 3 lbs. SS.99 Two vaiues - 36,000 30 Vdc and 47,000 25 Vdc. Should use two of each for a + and 15 Vdc and + 5 Vdc supply. Wt. 2 lbs. ea. 1,99 ea. This is a must if you plan io mount your power supply xfmr on the same chassis as the CRT. XFMR above fits this box perfectly and will prevent problems with magnetic interference between the CRT...

Features

Selectable 1 or 10 Watts Out 4. 10.7 Monolithic Filter Installed B, Numerical Read-out on each Channel 7. Built-in Adjustable Tone- Burst Generator 8. Front Panel Tone Encoder Control 9. Accepts Wilson 1402 & 1405SM Xtals 10, Individual Trimmer Capacitors for both TX'RX 13, High VSWR Protection Orcuit Reverse Polarity Protection Circuit 15, NBFM - 15 KHz Channel Separation 16. External Speaker Jack 1 7, Built m Speaker 18. Dynamic Microphone Included 19* Mobile Mount my Bracket Included 20....

Info

Due to updating our computer installation we are offering a majority of our Univac computer systems at unbelievable prices. Manuals furnished. Many items offered by the pound. Most equipment taken out of service in working condition. Interfiling reproducing punch - S.10 per lb. Electronic counting sorter - .10 per lb, 600 line per minute high speed printer - .50 per lb. Write fur detailed list and prices to Allied Sales & Engineering, In c. F. G. Rayer G30GR Reddings, Longdon Heath Upton on...

Icom

13256 Northrup Way Bellevue, Wash. 98005 (206) 747-9020 3331 Towerwood Drive Dallas, Texas 75234 (214) 620-2780 ALABAMA - J. W. Clary, Birmingham, 205 322-2486 Ack Radio, Birmingham 205 3220588 ALASKA - Service Electric, Ketchikan ARIZONA - Masters Communications, Glendale ARKANSAS - M. J. Communications, North Little Rock, 501 945-9307 CALIFORNIA - Buddy Sales, Reseda C & A Electronics, Long Beach Gary Radio, San Diego Metro Audio, Bakersfield Henry Radio, Anaheim Henry Radio, Los Angeles...

Strange

Isn't it strange that the league fARRL) did not tell me when the Section Communications Manager ballots would be sent to voters in the Illinois section Isn't it strange that the current SCM knew well in advance so that he could plan his campaign Isn't it strange thai I was told that the ballots would not be counted for a couple of weeks after the end of voting, and then was sent the results only 2 days after thy voting deadline Isn't it strange that my request to the ARRL for finding out how...

New TVT

Hutton K7YZZ 12235 SE 62nd Street Bellevue WA 98006 About a year ago decided to reactivate the RUY mode of my station, and this article is a description of two of its facets the keyboard and the television terminal. The keyboard development went reasonably lt vW then came the television terminal for RTTY, which call the RTTY TVT for short. I immediately found that almost no data ha lt been published on such a unit, with the closest thing being the computer TVT video readout devices....

C

Therefore, for a crystal to operate on the Now to get the second conversion crystal to an i-f frequency of 457 kHz, a 4757 kHz crystal is used in the second local oscillator and is calculated thus l2n conversion f2c f2i-f or 4,3 457 4757 kHz Now let us dip into our sacred junk box, and Jo and behold, there is that crystal you have saved from a chunk of surplus. It has a frequency of 1 8.930 marked on the can and it is a fundamental crystal with the right pin spacing, So let's stick these...

Copper Clad Phenolic Board

Beautiful 5-1 2 x 8 x 1 16 single side CCB-5508 75 lt zi, 10 5 MK-20 TO-3 Mounting Kit. Anodized aluminum insulator. MK 20 1 0 2,99 RCA Photo electric system. CA3062 contains photo detector, amp and power driver. Can drjwe relays and triacs directly, Adjustable gain. Visible or infra-red operation. TO-5 can. May be used in linear mode. CA-3062 . , . 4.95, Specs 40d P.O. BOX 14206, DEPT. 7 PHOENIX, ARIZONA 85063 OFF OH ORDERS OVER 50.00 1 0 OFF OH ORDERS 0VE3 1 00,00 15 OFF ON ORDERS OVER 2 9 0...

Tap Tba Tpa Tst Tsx

Rcia'e let Rotaie Htghi Return 'rom Interrupt Return from Subroutine SuOtraci Accumulators Subtract with Carry Sei Cflffy Sei Inlerrupl Mask Sei Overflow Store Accumulator Slore Stack Register Siore Ind Regster Siui amp iraci Transfer Accumulators to Co no if ion Code Reg Tra n sf or Cwx 3 turn Cod e Fl q to accumu i ator Transfer Sta poinfer to inotx Peq-sler Transfer Intjei Reamer 10 firack Pointer

R

Whether you choose the SB-104, or the HW-104, you're getting one of the finest Amateur transceivers you can buy at any price. And because you build them yourself, you get a fee for the equipment you simpfy can't duplicate with ready-made units. 100 solid-state construction including finals totally broadbanded circuitry for instant QSY without pre-seJector, load or tune controls . switchable 100 watls 1 watt out 0.6 fiV typical sensitivity . - super-ciea i operation thanks io reduced cross-mod...

Amateurs Access Computer Via Satellite

On October 9 1975, two r dto amateurs made the first claimed remote access of a computer not only hy means of a Iwo way radro link but Iso through a commumcations ralay satellite, Franklin Mitchell Jr. operator of amateur radio station W848WK in Due West, South Carolina, when he trans-mltted an execute program command to a Mod 8 microcomputer located at amateur radio station VE2BYG 3 operated by Randall S, Smith in Barrie, Ontario. Canada. Randy has since changed his callsign and IS now Knowrt...

Coming Next Month In Kit Form

Hexadecimal Keyboard Load programs direct from keyboards' 16 keys and verifying display. Does not use Computer I O, I O for use with Computer Aid or other digital recorders. Variable baud rate selectable on externally located unit by one knob. Can ioad computer or accept dumps without software. Turnkey Operation. For any 8 bit computer. Record Playback Amplifier. Expanded version of our Computer Aid board for use with your own deck cassette or reel to reel . Go to 9600 baud on reel to reel....

Signature

Postage, hondling, shipping -ond insurance add 2 of A SPHERE CORP. 791 South 500 Wesr, Bountiful, Utoh 84010 Tel, 801 292-8466 SPHERE generally otters 60-90 day deJlwy on its products, however, parts availability may delay delivery beyond thai time. Orders may be cancelled after f2Q days without penally Spheres only obligation is to deliver the product. Introductory offer valid in USA only FROM 860 TO 11,300 SPHERE CAN'T BE BEAT SPHERE starts with a CPU using a Motorola 6800 microprocessor,...

Tektronix Time Mark Generator

HP-614A SIGNAL GENERATOR, 900-2100 MHz, metered modulation and calibrated output 195.00 MEASUREMENTS 82 SIGNAL GENERATOR, freq, range 20 Hz to 200 kHz in 4 ranges and 80 kHz to 50 MHz in 7 ranges, output 0 to 50 Volts mod 0-50 , ideal for VLF HF work 225.00 SG-103 URM-25F SIGNAL GENERATOR, 10 kHz thru 50 MHz in 8 bands, calibrated output, crystal calibrator, modulation 400, 1000 Hz 0-80 275.00 LAMPKIN PPM CRYSTAL CALIBRATOR, goes with Lampkin TS-730 URM SUMMATION BRIDGE AND POWER METER, range...