Therf Connection

SPECIALIST IN RF CONNECTORS AND COAX PL 2S9IUSA UHF Mate Phenolic, USA made S .70 33 ISP 1050 PL-259 Pticrlolic. Amphenol .SS 83-822 PL-259 Teflon, Amphenol 1.75 PL259 ST Ul IF Male Silver Teflon. USA 1.50 UG-175 Reducer for R -58 .20 UG-17S Reducer for f)C-5S 4 MINI 8 .20 UG-21DW N Male RG-B, 213, 214, Delta 3.25 UG-218fU MMaleRG-8, 213, 214, Kings 5.00 9913 PIN N Male Pin for 9913, 9086, 8214 fits UG-2ID U& UG-2 IB UN's 1.50 UG-2ID 9913 N Male for RG-8 Willi 9913 Pin 3.95 UG-2 IS 9913 N...

Key Line

The circuit for the Kaboom Micro Keyer. you don't care to solder to the battery, use a holder. In keeping with the unit's small size, there is no sidetone built in. Nearly all HF rigs provide one anyway. With the keyer in your palm, the paddles should rest between your thumb and index finger. Lefties can build the whole thing in mirror image. The first time I tried it, RF from the mobile whip locked up the rig, and I got a nasty RF burn from the keyer's output jack. Switching to a shielded...

Take any books for

THE CD ROM HANDBOOK Edited by Chris Sherman. 510 pp., illus. Top authorities in the field provide a complete survey of CD ROM technology, from the technical details ot mastering and manufacturing disks to the major applications, error detection and correction, and data conversion. 565 783 Pub. Pr., 59.95 DIGITAL VIDEO IN THE PC ENVIRONMENT Featuring DVI Technology- By Arch C. Luther. 330 pp., illus. Discover full explanations of video, audio, arid optical storage media and how to combine them...

Circle On Reader Service Card

73Amateur adio September, 1989 47 Beefing Up the Uniden and the HTX-100 The Uniden HR2510 and he HTX-100 have made a big splash in the amateur market. These S250-300 mobile 10 meter rigs are great performers, and fit in many of today's smaller cars. With 25 watts fed to a properly tuned antenna, it's easy to work the world, thanks to Cycle 22. Even with the great sunspot activity, however, there are lots of other folks running much more power, and it can sometimes be tough to compete with them....

Interconnect

The Interconnect Specialists Inc. (ISI), VCS-2100, uses a combination of VOX control from telephone line audio, and sampling of receiver noise, to achieve the optimum control method for a simplex interconnect. No sampling interruptions occur during normal conversation. Turn-a-round beeps make operation very smooth and easy. The VCS-2100 features the ISI exclusive, Automatic Setup. This feature eliminates the trial and error method of sample window setup. Our Quick Start Set-up procedure gets...

Info

Due to the size of the ICOM product line, some accessory items are not listed. If you have a question, please call. All prices shown are subject to change without notice. Top Trades We'll take your Clean Late Model gear in trade towards New ICOM Equipment. Write or Cat for our Quote Today AES * Ovet 32 Vests in AmsfetitRadio BP-23 600ma 8.4V NO CHARGE with purchase of IC-U2AT 1C-2A 2-meters 289.00 259s5 IC-2AT with TTP 319.00 279 IC-02AT High Power 409.00 349s5 IC-04AT for 440 MHz 449.00 389M...

Help

We are happy to provide Ham Help listings free on a space available basis. To ensure that your listing is correct, please lype or print your request clearly, double spaced, on a lull 8Vz x 11 sheet of paper. Use upper- and lower-case letters where appropriate. Also, print numbers carefully a 1, for example, can be misread as the letters I or i, or even the number 7. Thank you for your cooperation. Needed Schematic and manual for Eico Model 460 Oscilloscope. Will pay all copying, shipping, and...

Kenwood

CORPORATION COMMUNICATIONS amp TEST EQUIPMENT GROUP P.O. BOX 22745, 2201 E. Dominguez Street Long Beach, CA 90801-5745 KENWOOD ELECTRONICS CANADA INC. P.O. BOX 1075,959 Gana Court Misslssauga, Ontario, Canada L4T 4C2 RC-20 Full-runct on remote contr ler RC-10 Multi-function remcte controi e' - IF-20 Inte-face un k handset DRU-1 Digital recording unit MC-44 Multi-function hand mic. MC-44DM Mu ti-function hanc mic. witti auto-patch gt MC-48B 16-key DTMF hand mic MC-55 8-pin mobile...

Srngern

The Spectrum Probe opens up a whole new world you've never seen before The Spectrum Probe is ideal for Hams and other techs who want to check for harmonics and other spurious emissions. With the Probe, you can perform oscillator alignment, check switching power supply functions and many other applications previously limited to 8,000 and up spectrum analyzers. An excellent educational tool HCR Box 43, Merrifield, MN 56465 ORDERS 1-800-233-2482 INFO 1 218 765-3254

BNB

FOR SALE-TEMPO 2020 Excellent Condition, has 11 meters plus New D104, 400 plus Shipping. Call Gary 207 778-4822. BNB897 DIGITAL DIGEST, timely information on all modes and aspects of amateur digital communications, computers, and software. Published bi-monthly, 16.00 per year USA. Digital Digest, 4063 N. Goldenrod Road, Winter Park FL 32792. BNB898 tems MS215. DC 15 MHz Dual Trace. Battery or AC power. 2.9 H x 6.4W x 8.5'L. Weight 3 lbs. S380. 805 736-0288. AM hours. BN8901 WW5B DOES IT AGAIN...

South Dartmouth Ma Sept

The Southeastern Massachusetts ARA is hosting their SEMARA Hamfest. Free admission. Dea er space. 5 in advance or 8 that day. Talk-in on 147.000 .6 or 145.490 -1.6 as backup. No radio test this year. Send SASE to SEMARA Hamfest, P-105, S. Dartmouth MA 02748. The Tidewater Radio Conventions, Inc., is sponsoring the 1989 ARRL State Convention at the Virginia Beach Pavilion. Advance admisi n 5, 6 at the door. Features ARRL amp DX forums of all types, major commercial exhibitors for amateur radio...

Departments

54 Above and Beyond SO Ad Index 60 Ask Kaboom 94 Barter n' Buy 92 Dealer Directory 33 Feedback 90 Ham Help 33 Ham Profiles 62 Hamsats 58 Homing In 80 Index 9 89 6 Never Say Die 74 New Products 95 Propagation Cover by Marilyn Moran photo by Frank Cordelle Tully Londner ascends the 73tower to do a little , . See page 33 to learn more about work on the Sommer beam. Kelly N6PNY Antennas range from a single length of wire to a complex array of metal tubing, Antennas come in many shapes and sizes,...

Vanguard Labs

19 amp -23 Jamaica Ave., Hollls, NY 11423 Phone 718 463-2720 Mon.-Thurs. The '96 is tough. A three-terminal gas discharge tube across the phone line and transient supressors on each input and output signal stop lightning from taking your system down. The '96 is so -well protected that its proven performance in the field allows us to offer two year warranty coverage which includes damage caused by lightning Your users will be thunderstruck by the outstanding patch and autodialer, with room for...

Jl

1 welve years ago, when I decided to start some serious contesting, I immediately realized that I needed a good 160 meter antenna, That presented a problem, since my backyard was 63 feet wide and 140 feet deep. About 60 feet from the house, my one lonely 65-foot guyed tower stood. Hanging from one end was a 20-foot pressure treated 2 x 4 with a 75 meter inverted vee hanging off the other end was a 40 meter inverted vee. A 3-element, 75 meter sloper array hung from the top. A tribander and...

Raimo

0IB65 The Beginner's Handbook of Amateur Radio 2nd Editon by Clay Foster Combines theory and practice in an casy-to-understand format, and provides information for choosing and installing radio receivers and transmitters, antennas, transmission lines, and test equipment. 400 pages, 291 illustrations 16.95 The 1200-page sixty-sixth edition contains over 2100 tables, figures, and charts. The Handbook is packed whh component data and construction articles. Solid Stare Design is chock full of good,...

International

Yuri UA4LCO UG6 of Expedition SOS Armenia operating in the Leni-nakan Spitok Kirovokan area, December 1988-January 1989. Photo from Ken Carpenter KC4UG. Yuri UA4LCO UG6 of Expedition SOS Armenia operating in the Leni-nakan Spitok Kirovokan area, December 1988-January 1989. Photo from Ken Carpenter KC4UG. Names of nations. Burma has just renamed itself it is now Myanma. wilh emphasis on the second syllable Mee-ahn-ma. Cambodia, which became Kampuchea a few years ago, is Cambodia again. There...

Other Radios And Accessories

BC55XLT-T Bearcat 10 channel scanner St 14.95 BC70XLT-T Bearca 20 channel scanner Si 59.95 BC175XLT-T Bearcaf 16 channel scanner S156.95 R2060-T Regency 60 channel scanner 149.95 TS2-T Regency 75 channel scanner S269.95 UC102-T Regency VHF 2 ch i Wait transceiver. .S114.95 BPS5-T Ragency 16 amp reg. power supply S 179.95 BP205 T NKCad bait, pack tor BC200 BC100XLT 49.95 BS-T 1.2 V AA Ni-Cad batteries set of eight S17.S5 FBE-T Frequency Directory for Eastern U.S.A 14.95 FBW-T Frequency Directory...

Interconnect Specialists

Automatically sets the sample window for your transceiver. No more trial and error. Sends beep to telephone line, and to mobile indicating it's their turn to talk. CW ID can be programmed using DTMF. ID can be programmed to be sent at the beginning, the end, both, or not at all. AUTOMATIC BUSY DISCONNECT Automatically disconnects if the telephone number dialed is busy. Used to make a second call without disconnecting and re-connecting. Also can be used for phone company services which use...

Aea At

High quality T-network HF antenna tuner. Advanced Electronic Applications, Inc. PO Box C-2160 Lynnwood WA 98036 Tel. 206 775-7373 Price Class 250 AEA may have built their reputation on digital electronics, but the design and construction of their new AT-300 antenna tuner shows that they've learned a thing or two about the analog world of RF along the way. The AT-300 includes just about everything we've come to expect in an antenna tuner, with a few unusual twists. On the front panel are...

Uniden

Uniden Corporation of America has purchased the consumer products line of Regency Electronics Inc. for 12,000,000. To celebrate this purchase, we're having our largest scanner sale in history Use the coupon In this ad for big savings. Hurry offer ends September 30, 1989. MONEY SA VING COUPON Get special savings on the scanners listed in this coupon. This coupon must tie included with your prepaid order. Credit cards, personal checks and Quantity discounts are excluded from this otter. Otter...

Awards

New Handsome Custom Albums To Collect, Protect amp Organize Your Hani-Earned QSL Cards Plus Special Albums for DXCC, WAS WAC, amp WAZ Radio Awards Throw out the shoe boxes. Get your QSLs organized with the new Azimuth Awards QSL Library. The perfect way to display the cards for your prestigious awards for easy viewing Each padded vinyl album comes complete with 20 heavy duty crystal-clear, slip-in pocketed vinyl pages each holds 6 cards . Now available for the most prestigious awards in amateur...

Change Over Relay In Power Amplifier

Circuit to control power amplifier switching with the IC-551. miles are common. Double-hop paths can be as long as 10,000 miles with very good signal quality. This season promises to be one of the best on this interesting frequency band in many years, That makes getting your6 meterequip-ment dusted off and back in operating shape a prime goal, as I am presently doing. The predictions point to propagation as good as that in 1959, which was absolutely outstanding. diodes do She...

Coaxial Feed

Four radial-less vertical antenna systems a a center-fed vertical dipole b the feedline runs up through the center of the lower tube section of the vertical dipole c a vertical Zepp. the half-Wave fed with open-wire line d a variation oftheZepp, commonly known as the J-pole. poorly conducts. They arc still more critical for inductively loaded short verticals. How many radials does a ground-mounted antenna require This depends on the type of soil and he available spacc for installing...

ICOM

IC2AT 12AT IC02AT 32AT IC2 4QAT IC-A2 U16 Lanctmcbile NT's ICOM U16, H16.V100, U400 MAXON, MOTOROLA. YAESU FTH Z0O5 20Q7 UNIDEN, REGENCY, KING, MARINE ICOM- M5. M56, M700 AVIATION lOj t A20 H.T., TAD CES-Stmplex Autopaleh 510-SA Will Patch FM Transceiver To Your Telephone Great For Teiephone CalJs From Mobile To Base Simple To Use. 510SA 510SAII TS440S AT, R-5000, R-2000, TS-940 S AT, TM 231 A 431 A, TM-2S70A 50A 30A, TR-751A, Kenwood Service Repair, TM-731A, TS-71U311A, TM3530A, TH205AT,...

Israel

Ron Gang 4X1MK Kibbutz Urim Negev Mobile Post Office 85530 Israel Callbook Foul-up. We don't know who is to blame, but in the 1989 International Callbook Israeli Novices who have upgraded have Silent Key listed next to their old Novice callsigns. Only the call-signs have passed on, and their previous owners now sport new calls that you'll have to search for elsewhere among the 1300 or so Israeli calls listed. We can assure you, those named next to the call-letters listed here seethe box are...