Christian Investigator

NET Write N9FAQ Blatl, 1127 West Hwy 20, Michigan City IN 46360. Three stamps, please. BNB590 WANTED Military radios and related equipment. Circa WW IL Command and Field Issue, ARC-2, BC375, BC223, Etc, Complete Collections or Single Sets. Contact KA1GON 617) 396-9354 or write 501 Mystic Valley Pkwy, Medtord MA 02155. BNB595 CONTESTERS Send in your log score with general purpose contest entry forms. 70 spaces, 19 100, post paid, free into Mr. Moist, Box 2143, Elko NY 89801. BNB598 ALUMNI OF...

S

KuperSr F U a tt-rvilllr (wllchd-capacltDf filter for elimiivljng uilrrfcrmve dinl nutieon CW, SSIi. RTTY AAtTOR, PACKIvT .nul nliitx narrow band modes- E ttrt'm 3ly Skrp iillrr k m remove adiacent clutter and noiif 10 enhance wfflk signal reception ind ijreatiy increait inlcUilability and lii(eniiig comforl KuperSr F U a tt-rvilllr (wllchd-capacltDf filter for elimiivljng uilrrfcrmve dinl nutieon CW, SSIi. RTTY AAtTOR, PACKIvT .nul nliitx narrow band modes- E ttrt'm 3ly Skrp iillrr k m remove...

Bench Tested

AMERITRON I BUTTEftNUT LAR5EN 8 WEU i NYE VIKING I MIRAGE HANTRONICS coteague effort which we also used again during the CO WPX. As I mentioned in my review last year, the 1271A really needs some sort of preamp in front of it, and the AG1200S makes all the difference in the world. It's neat having a complete 23 cm station all by itself in one package. One drawback The AG1200S is only rated for 15 Watts maximum power capacity in a mast-mourned application In my case, that meant running the...

Sczod

Doubly-balanced mixer (hot to scale). Fig. 5. Doubly-balanced mixer (hot to scale). Fig* 6l Artwork, L3 GHz mixer. 1 1 scale. Fig* 6l Artwork, L3 GHz mixer. 1 1 scale. eas you want to protect from the etch. Where you must overlap tape, press lightly with your fingernail on the overlap to reduce any air gap that etch may flow into and undercut the board. Check your tape carefully, as you want none of the tape to fall off in the etch. If it is pressed on firmly but not hard, it will hold,...

Autocall Ak

The DTMF selective calling control unit s suited for personal calls, group calls, control outputs and has unique controi-up con-trol-down codes with adjustable time relay output. Adjustable timed relay activates when code is received. When personal call code is received the relay can be used to turn on a speaker in order to hear an incoming call. Up to 16 different group call codes can be programmed into the AK-4. The onboard limed relay works with both the personal and group calling features...

Satellite Mobile

Want to try something a little different How about mobile satellite work With rs10 11, it's easier than ever to track satellites from the car. As reported last month, the rs1g 11's downlink signals are LOUD and the receiv ers are quite sensitive. In early July. w2rs worked W t NU via Mode A (two up and 10 down) with only 100 milliwatts from his HT to a rubber-duck antenna. Of course, to get consistent operation, you would want to use a bit more power and antenna. Mobile rigs and antennas do the...

News From Motron Auto Kall Ak

The Auto-Kali model AK-10 is a complete 3-digit DTMF touch-tone1 selective calling system. Auto-Kall serves those who want to remain available and do not want to constantly monitor a busy repeater or simplex frequency. With the Auto-Kali you can get through to home when you are mobile or vice-versa- Set it to decode 911 and monitor the emergency phone calls on an autopatch repeater DXers can let each other know when that rare one on their DX wanted list shows up. The AK-10 can be used on any...

Comkw

New HAM store open and ready to make a DEAL. We carry all lines, ship UPS, arid are open Sunday. A-TECH ELECTRONICS, 1033 Hollywood Way, Burba 11k CA 91505, (818) 8459203. San Jose CA Bay Area's newest amateur radio store. New & used amateur radio sales & service, We feature Kenwood. ICOM. Az den, Yaesu, Ten-Tec. Sanlec & many more. Shaver Radio, Inc., I775A S. Winchester Blvd Campbell CA 95008, < 408) 370-6665. New Cast te DE Factory authorized dealer Yacsu. ICOM, Ten-Tec, KDk...

OCT

Present and Future, featuring Lou McFadin W5DID, NASA's SAREX Project Manager, will headline the programs at TEXOMA HAMAfiAMA B7 scheduled for Lake Texoma Lodge, over looking beautiful Catfish Bay Also on the progam of this ARRL sanctioned hamfest < vill be ihe ARRL Forum with West Gulf Director Jim Haynie and Vice Director Tom Comstock and technical programs presented by ARRL Techmcai Advisor Al Markwardt. and others. A fufl fine ol Ladies programs. amateur...

Model

A new t6-channel programmable frequency-synthesized UHF portable two-way radio has been introduced by Midland Land Mobile Radio. The Model 70-253 portable features a frontpanel keypad, liquid crystal display and a rated RF power output of 5 Watts, keypad switch-able to 1 Watt The new portables are currently FCC accepted for the frequency range 450-470 MHz. Tone-coded squelch (CTCSS) is standard and each channel is separatefy programmable for any EIA tone. A OTMF option is also avaiiable, The...

All Day Power For Your

Rechargeable, 12v pack. Padded Cordura (tm) nylon case with quick-clip belt for the lightweight republics I might do it mostly to get my country-visited count up and partly to see if things are as drab and dreary alJ over the USSR. i shopped hard in their tourist stores, looking for something to bring back. The only thing which came close was a toy Russian car which t almost bought just to show how poor the quality of the Russian cars is. The toys alt had crooked and bent...

Mjf Artificial Ground

MJF Enterprises announces the release of its MFJ-931. It creates artificial rf ground with random wire and electrically places far away ground directly at your rig. The MFJ-931 connects between the ground connection of your transmitter or antenna tuner and the antenna. Two controls on the MFJ-931 are adjusted for maximum rf ground current using its built-in rf ammeter. This r sonants the random wire, converts it into a tuned counterpoise and presents an effective low impedance near ground...

T

Joseph J Curr K4IP 7S04 Roysion Street Afifiarnktle VA 22003 In 1966 I worked as an electronics technician repairing stereo amplifiers and receivers. One day, while working on an H,H. Scott receiver nne of the better brands in those days , f came across a series of semiconductor components in the FM i-f stage that looked tunny. They looked like plastic epoxy transistors with six bug legs sticking up in the air. At first perplexed, my mind snapped into gear as 1 remembered an article on the...

Icom Ic

2380 ueth Ave. ne bv Bill Clarke WA4BLC Give me the luxuries of life and I will willingly do without the necessities. ICOM's IC-761 is he latest HF entry from he Land of the Rising Sun It is a fully solid state, digital displayed, highly sophisticated radio communications device, I know those are not words normally used to describe a piece of ham radio equipment, but the 761 is no plain piece of ham radio gear. It is the most precision-crafted and complete ham transceiver from ICOM to dale. The...

The All New Private Patch Iv By Csi Has More Communications Power Than Ever Before

Initiate phone calls from your HT or mobile Receive incoming phone calls igEVV Telephone initiated control Operate your base station with complete control from any telephone Change frequencies from the controlling telephone Selectively call mobiles using regenerated DTMF from any telephone v' Eavesdrop the channel from any telephone Use as a wire remote using ordinary dial up lines and a speaker phone as a control head. The new telephone initiated control capabilities are awesome. Imagine...

Constitutional Comments

In my recent columns I have spoken much aboul the need for the official formation of clubs or organized ATV Groups to accomplish and finance a difficult task To get an ATV repeater and or remote transmitter on Ihe air and operating, It is certainly a difficult task for one or two devoted individuals to complete but many systems have been built up just that way without much help at the beginning. You have to do what must be done to get ATV activity going in your local area. Hopefully, youII have...

Smart Barttery Charger

Forgell-cells or lead acid batteries, by Warren Dion W1BBH See June 1987 GST Magazine for circuit details. Complete kit, nothing else to buy, onty 49.95 plus 3,50 s h. Order 150-K T, A amp A Engi-neering 2521 West La Palma, Unit K, Anaheim CA 92801 714 952-2114. BNB531 HAM RADIO REPAIR, all makes, all models. Robert Hall Electronics, PO Box 8363, San Francisco CA 94128 408 -729-8200. BNB558 R-390A Receiver 115. electronically complete, repairable government-removed meters, operation unaffected...

And Other

INFORMATION t-61B-716-5914 the machine. Generally, drum systems tend to be simpler, but continuous feed systems have the advantage of printing many pictures without the need to constantly load new paper. The paper on which the image is printed generally can be classified into three broad categories photographic materials, electrostatic papers, and electrolytic papers. Photographic media include photographic film, photographic papers, or various Kinds of...

Info

Driving an amplifier chain to drive a final stage. This mixer is something UHF experimenters can play with and expand upon. As always. I would be happy to answer any questions concealing this project and other related items. Please enclose an SASE for a prompt reply. If you are unable to obtain the double-sided Teflon PCB stock, I can provide the ,0i0-thick double-sided board for 5,50 U.S. postage-paid, or 5 pieces for S20 postage paid, in the U.S. It is available in other sizes up to ,062...

Svalbard Dxpedition

Svalbard is a collection of more than 20 islands that tie as close as 70 to the North Pole. 500 mites north of Norway. Its northern ex-tremity is but 400 mites from the North Pole, but the relatively warm Norwegian current provides a tolerable climate durtng the summer months. Spitsbergen is the largest of the islandst about the size of West Virginia. It was first discovered in 1194, and rediscovered in 1596 by the Dutch. During the 18th and 19th centuries, Russians and Scandinavians trapped...

Still A Thrill

I was attracted to ham radio in the 50s because it was a lot of fun, offered a challenge and was a bit more exclusive than bowling. I iike sending, receiving, junkboxing, improvising, building, troubleshooting, and making things work. Being able to copy most anything anyone can send gives me a good feeling, Building a receiver that worked put me on cloud 9 for a long time. My first contact on a homebrew TX will never be forgotten. I hope the new hams of the 80s can get those same thrills from...

Brapper

A. tii f-.' I- i a pi.i-r t r.i T - r.JF Iknr Ft r - llT-rdi , - 1 tn f MC t nn Jm. -irli W J -' . A. tii f-.' I- i a pi.i-r t r.i T - r.JF Iknr Ft r - llT-rdi , - 1 tn f MC t nn Jm. -irli W J -' . Il H I Hi IN MitM I sslxc, IV mil'dU UI I r I gt HON 'ifK XV I I ri S i - I II I if J am I hi il fiv Ahn 7 1 ta r'nj amp u 4 III tHISi. ui Oh 1111 MICElVEJt MM WKWM' llr.n M I. jvlion miti ui iHeiifr' M-i il iflffnna1 Vf i gt ftn c BUi nn ' I h-_ S1.1it th UU gt HANtJ nu mp 1 M.il '. III lt I nnim Si...

Wide Band Antennas

A family of wide band antennas for high frachonal band-width low HF bands eliminate the need for antenna tuners and special radiator networks, Snyder Full-Band wide band antennas for the 160, 75 80, and 40 meter bands are designed to allow maximum use of modem broad frequency range, continuous or digital tuned transceivers and no-tune power amps to 1000 Watts. The antennas are redesigned and improved versions of wide-band dipole models previously marketed by Snyder, The Snyder model FB-16QX is...

ICOM

Other Accessories - continued Regular SALE GC-5 World dock., 9 95 89 VHF UHF base multi-modes Regular SALE 1C-271A 25W2 meters ClOSEOUT 859.00 699 AG-20 Internal preampWier, 64.00 IC-275A 25W 2m FM SSB CW ps 1199 00 1049 IC-275H 100W 2m FM SSB C gt h 1389 00 1229 IC-475A 25W 440 FM SS6 CW w ps 1399.00 1249 IC-47IA' 25W430 450 , CLOSEOliT 97900 769 AG-1 Mast mounted preampMter 99 50 IC-471H 75K 430- 50 CLOSEOUT1399 00 999 AG-35 Mast mounted preamplifier 95 00 IC-47IA' 25W430 450 , CLOSEOliT...

Es Euphoria

As I write this late July , we are in the midst of one of the more spectacular summer Sporadic-E seasons, with 6 meters having been open almost every other day to most parts of the United States, Canada. Mexico and Caribbean, Two meters has been in equally good condition, with many strong openings from the east coast into the midwest and southwest. Reports have been coming in of tremendous Es openings through the south into the Pacific area as well Concurrent with this informa-lion is what is...