Microlog

The AIRWAVES that is. thru the Microlog AIR-1, a single board terminal unit AND operating program in ROM that needs no external power supply or dangling extras to put your computer on CW & RTTY. And what a program The famous Microfog CW decoding algorithms, superior computer enhanced RTTY detection, all the features that have made Microlog terminals the standard by which others are compared. Convenient plug-in jacks make connection to your radio a snap. On screen cross tuning indicator and...

Printed Circuit Board Terminal Connections

The N7AGK ASCIIS-to-Morse converter printed circuit board uses small push-in terminals Radio Shack 270-1394) for ail external connections and test points. They are inserted from the pats side of the printed circuit board and soldered in place. When wiring to the printed circuit board, all connections should be made on the foil side. Connections 1, 2. 3, 5h and 6 are the ASCII6 bit connections from the ASCII keyboard. Sit 1 is pin 7 on the ASCH keyboard. Bit 2 is pin 6, bit 3 is pin 5t bit A is...

Srdt

3275 North B Avenue Ktssimmee, Florado 32741 The AEA Model CP-1 Computer Raich interface will let you discover the fastest growing segment of Amateur Radio computerized RTTY and CW operation. When used with.the appropriate software package (see your dealer), the CP-1 will patch most of the popular personal computers to your transceiver for a complete full-feature RTTY CW station No computer programming skills are necessary. The CP-1 was designed with the RTTY neophyte in mind, but its...

Dealer Inquiries

6254 La Pas Trail Indianapolis, Indiana 46268 ly slower rates, when the UP or DOWN switches an1 closed When you re satisfied with the results, run the counter up or down until pin< . 9 through 15 are all at zero volts This represents a setting ot 384 tor the divide bv N counter in the PLL. As the reference frequency is 5 kH r the phase detector will lotk on a trequencv ot 1 92 MHz 1384 x 5000). if the vxo tuning capacitor (C J ts set near minimum to a frequen-( y of 7 420 MHz, then the phase...

Beacons In Cyprus

For many years the Cyprus Amateur Radio Society has been running ex perimental Iransmill rs as beacons for the sludy ol Tadio-vtravo propagation A1 Ihe moment, there re three beacons in operation a)28,220 MHz This beacon ts used for Ihe study of shortwavf propagation and transmits the call 5B4CY, This beacon is watched by many amateurs throughout ihe world who often send reports or QSL cards wilh information about the recep lon oi its signal. Tht power of thr beacon ls 15 to 20 W and the...

Dtmf Decode

The LJM2RK decoder kiI converts your receiver into a special receiver or contra . When a user-selected timetone cpmbinailort is received. Iheoutpul provide a relay control for activating speakers or other devices. INPUT Audio from transceiver, scanner, etc OUTPUT SPST (N O,) relay. FEATURES Single or dual rones adjustable overlhe IS digit Touch Tone range * Adjustable response lime Relay output Manual or aulo res el * Single lone ON latching with different single tone reset OFF * Operates on...

SALE

TC 2KL 180-15m WARC solid state linear i 795 00 1299 IC 2SIA 2m FM SSB CW xcvr 749.00 549 IC-551D 80* 6m Xcvr S69900 PS 20 20A switching p* spkr 229 00 EX-106 FM 8C-10A Memory back up 8 50 SM-2 Liectret desk microphone 39.00 IC-451A 430-440 SSfl FM W XcWps 899 00 IC 451A High 440 450 MHi Xcvr ps 899 00 AG 1 15 db preamp IC 451A 45A 89 00 jlC-751 9 hand xcvr 1-30 MHz rcvr 1399.00 PS-35 Internal power supply 160.00 FL52A 500 Hz CW Ft S3A 250 Hz CW Ft 33 AM SM-6 Desk HM-12 Hand Eternal irequency...

Israel

N& gev Mobile Post Off tee 95530 r& raet Ofi< oi the most popular aspecrs ol ham radio in Israel today is VHF opera ti& n more specifically, two-meter FM. Please noie We do not have a cotfe-free VHF class ol license here, so those operating on VHP also have full HF privileges Thus. Israelis chose two meters on Its own merits alone. Alt hough the widespread use of these shorter wavelengths has occurred here only m the last decade, it would be wrong to assuma that the world above 30...

The Uk Scene

Those of you awaiting QSL cards for recent contacts with G2MT probably do not appreciate the historical significance of (hat can. Some sixty years ago, the callsign 2MT was used io introduce the first scheduled entertammeni broadcasting in the United Kingdom. Recently, the Home Office the then-regulatory authority for amateur radio iri ihe UK) approved the use of G2MT by the Marconi Radio Society, whose members are drawn from the employees of Marconi Space and Defence Systems Ltd. In North...

Printed Circuit Board Assembly

The printed circuit for the N7AGK Morse Keyboard has been laid out on a 7-inch by 10-inch single-sided printed circuit board. The printed circuit layout has been especially arranged for ease of assembly. All external wiring connections to the printed circuit are made with push-in terminals. All jumpers, sockets, terminals, and parts are shown on the printed circuit parts drawing. The drawing shows the parts side of the printed circuit board which is opposite the foH side. The jumpers should be...

Ces Introduces The New Sa Smart Patch

The State of the Art Simplex Interconnect Communications Electronics Specialties introduces the CES 510SA Smart Simplex Autopatch, with many important new features never available before * Three digit control codes with user programming, * A sophisticated toll restrict provides positive long distance lock out, * Time-out and COR activity timers with warning beeps and digital programming . Rotary or DTMF dialing. * Phone line m use detector prevents interrupting a call in progress, and sends...

Optional

An additional modification may be made to the FMG1 which is not necessary to fire it up on 30 meters out will center the load control while operating on that band. Without this change the antenna loading position will be about 2 when tuned for maximum rf output into a 5Q-Ohm Joad at 400 mA. However, by adding a fixed 270-300 pF, 500-600-V silver mica capacitor parallel with the variable loading capacitor VC2 , the loading position will move to about 4 or i 5 when fully tuned. The capacitor...

Fox Tango 8830 400hz Filter Center Frequency

According to Kenwood's Parts Department, all CW and other crystal filters tor its older models such as the TS511, R599, TS520t and TSS20 have been discontinued. 11 soT FOX TANGO becomes the sole known source of higtvquality pole crystal Niters lor drop-in Installation In these fine rigs, all Of wtilch have a 3395 kHz intermediate frequency, and 2.1 kHz SGOeach For newer mode like the TS130, TS430, TS530, TSS30, TS930. and R820, FOX TANGO is the sole source of superior 8pO e discrete-crystal...

Etco Electronics Dept

1 for 1 year subscription to the world famous ETCO catalog. S3 Canadian amp Foreign 1 year subscription 1o the ETCO catalog. 304 page handbook BUILD YOUR OWN EARTH STATIONS TA025J 10.00 360 pagas WASTER HANDBOOK OF TELEPHONES. fTA001 ______________til.00 FREE - sample copy of the bargain packed ETCO catalog. USAonty tOOQ s OF FASClNATiNC S FACTORY CLEAROUTS. SURPLUS SPECIALS AMD BARGAIN OFFERS NOT gt 0UN IN STORES OR CATALOGS ANVWHERE High 10W PEP low 2W PEP VFO tuning noise blanker fine-tuned...

Modules

Wired ana tested module designed to drive PAi 10 wait uv. amp v . -l .j i i1 rev - The 1Q0 MH i errata design keeps fiar'T monies ou n1 two mefe it tate hack Vwfeo friodiMot is a full E MHz tor computer jtfijtncs ano coior fe-qtirres H 3 8 VDC reg ia 7G m Si.1 mw culpul luned with CJfVSlaS on m25. lt 134 amp r 2h MMi Dual Irequency model available 115.0D pod TVC- ATV Downconvertcr S49.QQ pper. StHjplifte MRF 901 prfiarip ro aouDie oalanced nixer digs bo the...

Gpcw Award

Sponsored by Ihe Qrupo PraMno de CW The GPCW Award is vallate to ai' licensed amateurs for cc rrned con I .in t rse GPCW members Contacts must nave ma'.te .itter November 5. 1972. on an gt amaieur band Only 2-way CW contacts with a mini mum PST of 33fl are allowed. No QSL is necessary. Send a isl of stations worked .can date, time. band, mode, and report and 5 IRCs tor mailing enfrenses o GPCW, PO Bo 556 mOO Santos. SP Brazil GPCW members are PR7CM PSSAUJ PTBAVV. PYtAFA. PYtCMS PVtOG PY2ARX,...

M

KENWOOD'S TW-4000A FM -Dual Bander provides new versatility in VHF and UHF operations, uniquely combining 2 rn and 70 cm FM functions in a single compact package. TW-4000A FEATURES 2 m and 70 cm FM in a Compact Package Covers the 2 m band 142,000-148.995 MHz , including certain MARS and CAP frequencies, plus the 70 cm FM band 440,000-449.995 MHa , all In a Single compact package. Only 6 3 8 161 W x 2-3 8 60 H X 0-9 16 2171D Inches mm , and 4,4 lbs, 2.0 kg.f. Large, Easy-to-ftead LCD Display A...