Int

IL 60176 312-671-6690 brings imagination and innovation to Photo A These small 5-watt panels operate quite a bit of gear when hitched to a good storage system Mike Qtyce WBQVGE 2225 Mayflower N. W Massilfon, OH 44646 Using the proper method, you'd be surprised at the amount of power you can save up in a couple of sunny days, A relativeiy new innovation in lead-acid battery construction uses a captive electrolyte. The Gef Ceir from Globe Battery and the Absolyte...

Computerize Your Shack

Control up to eight digital radios simultaneously from your MS-OOS microcomputer DataCom, Inc. offers a series of software hardware packages that interface with many current synthesized rigs. These Include ICQM 735, IC 761, IC-7S , 1C-R700 , C-ft71A Vsesu 747, 757GX, 757GXII, 767, 9600 Kenwood TS-440. TS-940, TS-140. TS 680, 7 II. 811, R6000 Da ta com couldn't be simpler to Install. The user doesn't need to know anything about MS-DOS the Installation program does it all After Installation, the...

Itu

A ham will be heading the United States delegation to the next major fTU conference, The State Department announced that C< Travis Marshal W3HPS has been appointed as Chairman of the US Delegation to the 1989 Plenipotentiary Conference of the International Telecommunications Union. Marshall, who is a Senior Vice President of Motorola Incorporated, will attend the 23 May-29 June conference in Nice, France, To all who contributed news items to this month's QRX column. They are Westtink, AW SET...

Info

SERVICE, USED GEAR INFO NO Sales Tax in Delaware one mile off 1-95 Prices are subject to change wittiouE notice or obligation Products are oot sold for evaluation Continued from page 8 has a tremendous lot to offer America. Indeed, with technology being the future and with con sumer electronics being the engine that drives technology and the real power behind the Japanese miracle we have no other practical pian for regaining our technological superiority other than through a reborn Ameri* can...

Communications Batterjes

Exact Replacement Packs Vaesu FNB2 Wilson BP4 522.95, Santec 142 1200(3 pin) 23 95 Commercial Packs-All Types Call Replacement Battery Inserts tCOM BP2 CM2 18 95. BP3 CM3 16 95. BP5 CM5 24.95, BP7 BP9 Rap 29.95 Kenwood PB21 S13 95, P824 321 95, PB25 25H 26 25 95r Azden 300 21.95, Standard BP1 C118 Pace MX-BT2 25.95, Tempo ST 270 23.95. S1H2,4,5, 450 23.95, S15 24 95f Yaesu FNB9 14.95, FNfB4 4A 33 95. Ten Tec 2991 24.95 Sanlec KTBP SI8.95 KTBP2 23.95. KTBPH 24...

Measures Peak Power Of Ssb And Other Am Signals

Bird Model 4300-400 modification kit quickly adapts any Bird Model 43 Wattmeter to measure audio peak power of single sideband and other AM modulated signals. The 4300-400 kit pc board mounts inside the Model 43 housing, on the meter studs. Estimated conversion time is only 15 minutes from start to finish. Once modified, you can measure peak power to an 8 o RS accuracy, without affecting cw operation or accuracy. And, the Mode 4300-400 is surprisingly inexpensive. Contact your Bird distributor...

Ts

A 30 cable connects the transverter to the XVTR plug on the back of the TS-940 (see Table 4). Get the eight-pin DIN plug from Kenwood. Don't try to buy this plug elsewhere, as the plug you get probably won't fit the Kenwood's jack, I purchased three from other sources no two were the same and none of them fit the TS-940, Just connect like numbers on the DIN plug and the eight-pin mike jack. You'll need three runs of small-diameter coax lor pills 5, 7, and 8, Use cable with a Teflon dielectric....

Visa

HP (c o) 349 00 C-4AT 440 MHz TTP 349.00 lC-02AT HiKh Power 409 00 1C-03AT for 220 MHz 149 00 IC 04AT for W) MHz 449.00 IC u2AT fur m w TTP 329.00 1C-U4AI 440MHi, TTP 369 00 1C-2GAT for 2m. TTP 429 00 JC4CAT 440M Hi, TTP *9 0G IC 32AT 2m 440MHz 629 OC SALE 259 279 259 299 349 289 389 289 299 379 399 559* C-u2A tor 2m w o TTP Reg Closeoul 249 1C-12AT 1W l GHz FM KT batt Cgr TT 4 3 00 369 ' JC-12GAT DIm 1 7W I 2GHz FM HT TTP 529 00 469 Aircraft bjmi handheld* Regular SALt A-2 5W PEP...

Vanguard Labs

T9& 23 Jamaica Ave., HoIIIb, NY 11423 Phone (718) 4G& 272Q Mon.-Th rs. Multiband QRV Dipole V Sloper -fc * Faslest Install Coa* Fctd 2500 V Insul FulJ Lceal PowrCf Tou h No Lossy Trap* Flcitbfe Lou Noise Kin It-Proof Never Corrod hidtidts 2pjge T ti MjmiuI.1 Add 5Pnt A Handling. InfcmactSl hv lsfdiii nail, An ftrlQS WfSf B 30062-S. fow. UT Mtitf TT (80h 373-8-125 - * OMAR ELECTRONICS * FOB ALL YOUR AMATEUR NEEDS I SPECIAL PRICES on all MFJ PRODUCTS * A.R.R.L, PUBLICATIONS

Ar S

5 WATT 10 MfTransc 'rtf tf node uperaiiOTr acN i mutti Tdncijon LCD t uency tack io sqoei' rt Nfl in PA arfern.ii speaker jac 1 7 ' iW SWI ' hands tree operation voice activated iransn up V mile Batieiies oplranal sam leaiure -J9SA r epttises ntcao banerie* and comes until Darter

Vb

Figure 6L Major parts positioning for the transmitter and control, bottom side. 220 MHz Oscillator Chain and Transmitter Mixer Major Components Parts List C-12 3-20 pF miniature air variable or ceramic disk C-13, C-14 4-22 pF miniature a< r variable or ceramic CM51-7 pF oiston capacitor C-16, (MB 2-12 pF Johnson air variable used on PC boards C-17 2-10 pF Johnson similar to C-16 RFG-2 3 turns on FB-64-5111 6-hole Arnidon ferrite core RFC-3 2.2 pH RFC -7 1.0 pH approx 25 turns of -28 enameled...

MFJ

For a faw extra dollars, the MFJ-MFJ-962C 962C lets you use your barefoot rig QQA5now aiifl have the capacity to add a 1500 watt PEP linear amplifer later Two continuously variable 6 KV capacitors give you precise control tor getting your SWR down to a minimum. And tots of Inductance gives you the widest matching range possible, You can read both peak and average power with the lighted 2 color Cross Needle SWR Wattmeter. A new directional coupler gives you more accurate readings over a wider...

Radio Amateur Callbook

LAKE BLUFF JL 60044 USA Mon-Fri -4 PM 312 234-6600 P.O.Box 15417 Shawnee Mission, KS 60215 fnoti amp i 2 ttt 3 top section mode- rt lop secliun 10' setNttf T o lt itp 3 or -i wclkoii W sectwn 10' m sr. 2otf 48 se-n suppQJlifVQ 6 sq bb sell auppordni t5 sq it 64'sell iupparlinc 5 sq It 40'seit suppartinfj 10 sq U 4fl self supping -0 ti 56 st sjppofi tO so ti 40 se't supporting ifi sq t ifl'ie't Supporting 6 sq V GUT WVtE SPECIAL 500 gjlv miflO 1 strand 500 galv-aniied 7 Strand antennas 3 rtemem...

Tt

N NEW FULL SCALE HEADING DIVlCED 0Y ORIGINAL RILL SCALE RE .DING. BOTH STATED IN SAME UNITS DESIRED FULL SCALE READING M VOLTS J FULL SCALE CURRENT CAPACITY N UTERES DESIRED FULL SCALE READING M VOLTS J FULL SCALE CURRENT CAPACITY N UTERES Figure L A simple circuit for determining the internal resistance ofa meter. Rl is a IQQkQ i in tar-tapir variable restaur, if full-scale current of the meter is known, the following formula yields greater accuracy full-scale meter current iAmps 58 73 Amateur...

T

Here's no question that an accurate RF wattmeter can be one of the more useful tesi instruments in your shack With it. you can measure forward and reflected power, transmission line loss, and VSWR of antennas and coaxial lines. Vqu can find many varieties of wattmeters in the marketplace, but by far the most accurate are those using directional couplers, To make such a meter usable at any frequency, the delecting element should cou pie to a section of transmission line of, ideally. 50Q. This...

Megawatts

Alinco's new DJ-500T hand held dual bander really puts out. Like 6.5 watts with the optional 12 volt battery. Or our standard 3.5 watts VHF and 3 watts UHF with a local power setting of .5 .vatts. No other HT delivers such power The DJ-500T also comes with mega features. It's the only HT with a 37 tone encoder decoder as standard equipment. You get cross band full duplex operation. Twenty memory channels Q apiece on VHF and UHF . Programmable offsets- A single memory 16 digit auto dialer and...

West Siberia Dx Club Begins Swdxc Awards Program

Gennady Koimakov UA9MA, our Russian Hambassador, writes that We have founded one of the first DX clubs in the USSR with UA9MC as president and UA9MD. secretary.'' UA9MA is vice prestdent, and he sends us the following. 1. AOA Arctic Ocean Award Details next month 2. WAWS Worked All West Siberia Work following oblasts 099, 100. 130, 145, 146, 158, 161, 162, 163. Class 1 40 QSOs in 9 oblasts. Class 2 30 and 8. Class 3 20 and 7, 3, U-PX-A USSR Prefix Award Class 1 200 prefixes. Class 2 150, Class...

Ii

CPRC-26 military Manpack Radio. 6 meter FM, with antenna, crystal, handset S22.50, S42 50 pair CPRC-26 Radio only 9 50 Add 4 50 piece shipping, 9 tnammum Saytronics, PO Box 591, Sandusky OH 44870. BNB796 QSLs RUBBER STAMPS TOP QUALITY States, World Maps, USA, Key, Shuttle, Globe QSLs. Report Form Rubber Stamps, More Samples, 1 00 Refunda5le WMh Qrder . Ebbert Graphics 0-7. Box 70. Westerville OH 43081. BN8807 100 s of radio amp electronics specialty catalogs....

All Sales Final

Createc Signal Computer

We Slock AEA, ARRLr Alinco, Amoco, Ameritron, Antenna Specialists, Astatic, Astron. B amp K, S amp W, Bencher, Gird, Butternut, CDEr CES, Cushcraft, Daiwa, Eimac, Henry. Heil, Hustler, Hy-Gain, Icom. KLM. Kanironics, Larsenr MJF J.W. Wilier, Mirage. Nye. Paiomar RF Products, Saxton, Shure Tempo Ten-Tec. TUBES. Yaesu, Vibrople , Duple cersh Repeaters, Scanners, Radio Pitbii cat ions. Unideri. Kenwood, Maxon. RFC WE NOW STOCK COMMERCiAL COMMUNICATIONS SYSTEMS HAM DEALER SQUIRES INVITED PHONE IN...

Mfj Enterprises

MFJ Enterprises, Inc., has three new software upgrades to give previous MFJ Packet units the features of their latest MFJ TNC units. These upgrades are MFJ-40A Firmware release 1 1,5, Supports basic Packet features for TNCs with 16K RAM. Price, 19.95. MFJ-408 Firmware release 1.2.6. 32K with 32K RAM upgrade, Price, 39,95 This release also includes KISS, MFJ Easy-Mail , and WE FAX receiving capability for the IBM. compatible, or Macintosh computers, using an MFJ Starter Pack option for 19.95....

Hurricane Gil Bert

The following is from a repon by the IARN Director for Australia, Sam Voron VK2BVS 4071066 . 2 Griffith Avenue, East Rosevifle 2069. Australia. Chris CK3YID in Melbourne, 036014222T has just attempted to lefephone Glenn Baxter K1 MAN Network Manager of the international Amateur Radio Network IARN in the USA he is told K1MAN busy handling emergency traffic someihing about a hurricane in the ocean off the eastern US coast, r halfway around the world Nothing to concern me, weather foveiy in Sydney...

Ca

TO 30 -H OSCiLL gt TDR 3du t H fijt Figure 2. A tin van fitted with a diotie as pan of a polapicxer for boomerang operation on the amateur 3 GHz band. TO 30 -H OSCiLL gt TDR 3du t H fijt Figure 2. A tin van fitted with a diotie as pan of a polapicxer for boomerang operation on the amateur 3 GHz band. Figure i. Schematic of oscillator that produces the RF that drives the h '23 diode in the wave-guide mounted detector. a good compass. For aiming your antenna, Sears has several levels that will...

Uncle Waynes Bookshelf

w right, afready SO W, the popular electronics and amateur radio books you 've been hounding poor old Uncle Wayne for are here Sow you can build up your hamshack library with these soft-cover favorites.,. by Jonathan I,. Mayo KR3T ' an excellent piece of work. Well worth reading for both the experienced and the new packeteer . ,the definitive guide to amateur packet operation ' TiC KtJIIIff'S ftlftMfc ABHtir fctti Combines theory and practice in an easy-to-understand format, and provides...