Tm

What the 2VIFJ-259 Dues tmVcr watch t i i L-r tco - instantly as you make each adiust- T he MFJ-259 gives you a ment knmv exact JYdt to complete picture of your antennas do b> si 1 , watcfiin lh display mTm atl> '*hcf* Mwce1 1 * tunc mi.cal HF mobile amen- m J 170 Mi l - you can even check in W1)nds _ without subjecting MFJ-J If you work 1 with antennas, MFJ's revolutionary new 5VV7f Analyzer1 is the best investment you'll ever make Now you can diagnose a wide range of antenna problems...

Down East Microwave

954 Rt. 519 Frenchtown, NJ 08825 TEL. 908-996-3584 FAX 908-996-3702 US & International Caltstgn lookup Over 1,186,000 listings and 113 Countries Now includes new FCC data format containing U.S. clubs, military stations, reciprocs calls, 637,000 U.S. amateurs, and 392.000 International tails ICALL DOS & windows programs look up name, address, expiration date, birtfi date, license class, county, lat long, area code, time zone, grid square, previous call and class, latest FCC transaction....

Bn

PRINTED CIRCUIT BOARDS for projects in 73, Ham Radio OST. ARRL Handbook Usi SASE. FAR CIRCUITS, 16N640 Fieid Ct . Dundee 1L 60118. BNB96G AZDEN SERVICE by former factory technician. SOUTHERN TECHNOLOGIES AMATEUR RADIO INC., 10715 SW 190 St. *9. Miami FL 33157. (305) 238-3327. BNB979 Plaques and Engraving for Amateur Radio Operators Attractive wall plaques to detail your operating accomplishments. Any custom engraving. Great product list. SASE lor brochure. KN3A-CameJfia Trophy Shop, 590-B...

Repeater And Linking Controller That Records And Speaks Your Language

RLC-5 Repeater and Unking Controller * 35 Real Speech Recording Slots for ID'S and Announcements * 300-9600 baud RS-232 seriaf port * 4 Layer high quality board construction Add true personality to your repealer system wnlh rhe buift-in digjtal vofce recorder Allows 75 seconds worth of messages, IDs, and club announcements on your repeater. Supports 2 full duple* repeater link ports. Make emergency autopalch calls with the auiopatch option Onlv the RLC-5 car make these features available ai...

Top Panel

The wire coming from the board ro the output lead of the 7905. The center pin (ground) of the 7905 should be soldered to the side panel, Wire in the optional LED and its resistor if you want an indicator for power to the LNA. Apply +12 to +15 VDC to the regulator. Current draw at the input to the regulator should be 60 ma, +MG , If it isn't, you have some iype of wiring error. Examine all the connections and cheek for soider bridges or other problems. Once your unit is drawing rated current,...

Antennas

Spell > m Mrrqil < raptirfcrrard wins 4 lu iced io hei mich D r S& 00 AR31 Tin RR iirr.id Spertnun Smw EfcxiL. h tli i J C fij-L'in iirrpk tefiamng. a grrup ' pen ine JfliTS sn nur n dodi fir* thexTrtinuJ uni Lan practica sy-ten tur tinmi iL mmimn j.- tipei Thi- O r i is of tf Cirt pJfMTS hl p muneui rqx*r> hji JtxutTr ri the jmx wbmby jiiLt UT T-L.id Tptxln im (tfufnessd irr.Tfl tbt- dm inj fcojid udk-air S .lKi AR2 t rJllsllli Mll 11 rij k Tran fonnffs nd & l Dr Yem Scvit...

Expires

Mail to Radio Furj, 70 Route 202N, Peterborough.NH 03458 Or call 800-677-8838 (in NH call 924-0058), FAX 603-924-86131 Canada add S7.70 postage pi us GST loreign idd S 2.00 surface, 36.00 iirmail. Newisund R e SI8.00. Baiic Subscription Rale i 14.97. Qgy Anyone (including you) con learn ihe Mors Code in one hour Forget the No-Code License and get your Tech-Plus Tkket Guarantee You'll pass the 5 wpn code test with Unde Woyae's system or YOU GET A 100 REFUND Tin* truth is ihni no urn using ihi...

U

Figure 2 Voltage regulator using a three-terminal tC voltage regulator. classical full-wave circuit shown in Figure 1 A. and not tin ridge rectifier in Figure IB, if a bridge circuit is used, then the transformer may have to be derated by one-hall In other words, if you need a 1-ampere power supply, then a 2-ampere center-tapped transformer is needed. II the transformer is intended for bridge service (and has no center tapk then a 1 ampere transformer would be needed. You can often get away...

Circle On Reader Service Card

73 Amateur Radio Today July, 1995 57 C. L Hougftton WB6IGP San Diego Microwave Group 6345 Badger Lake Ave. San Diego CA 92119 DRO Frequency Marker for 10 GHz From Salvaged C Band TVRO Converters Here is a note of interest from John WA4WDL concerning the use of DROs (dielectric resonator oscillators) from deiunct or discarded TVRO (television receive only) downconverters. T ese units are modi'ied to provide a marker generator for the 10 GHz amateur band. Also. John provided a charge pump voltage...

Bnb

HR2510, RCI2950, CONNEX 3300T COBRA 14ST GALAXY SATURN, plus many more kits to increase your modulation, 19.95. (800)536-0109, BNB350 IT S BACK The return of the HW S HarxJbookf Second ormiing Modifications lor the Meatt' OR rigs. First class mail 11. DX add S4 for air matl shipptng, Mike Bryce, WBflVGE, 2225 Mayflower NW. Massil-lon OH 44647. BNB404 ASTRON power supply, brand-new w wairanty, RS20M 95, RS35M 139, RS50M 199. Call for olh-er models. 818 266-0118, BNB411 MAHLON LOO Mi S, INVENTOR...

Meters

Performance rea gt ', coum voi gh repeats en ni-nts amp the KHF r3000 m Qi jes u j hei icaf I r-M . rl u s 12 pol - s of If riui'i.ng iiiii a precise r 11 feiggtr squ-'lc r- wirf lai.LfTiaric ituesh u iwSfcfi- V T 1 - nansrr-n-Jf ves . it- r TMOS ET power lt fp sooo Repeater snow ,wtth PA 100 Amplifier vifh remet 1 sequent JBlopatg reverse JQG-ni rnbt i cVtiiutjial squric h 11 rig status call or write for tfte full performante story ana the super value price1 3 mFarK Gioweliind MA 01334 lt 506...

ICOM

Tqi Tfti rig pactad with features to please your operating needs, The detachable front ganelh amp 42 memory channels ant more let you axperierce tti-e jnagic of Icom. Hsre s 'ha H R ng you've teen notf-HHHH H HIHI ing fea tures a full 100 watts output from 160 meters through j meters with a Duiit4n antenna Tuner and power supply, VOX, PBT, RF Gain, 101 memories amp more provides you with the latest features and fun Say good-bye to inlermoa amp hi to 60 memones. 50 watte CTCSS encode alpha...

DTMF Decoder

Pht rt lt gt A The DT fF decoder. fn gt nr left i onti hack i righi Pht rt lt gt A The DT fF decoder. fn gt nr left i onti hack i righi The Capitol Penk Repeater Group operates several repeaters on Capitol Peak near Glympia, Washington. These repeaters are conirolled h gt wo microprocessor con-tnillers. uith lois ol bells and whistles, including an uutopatch. There arc over StH. user and control codes involved in the setup and operation of the two controllers. Due to the large number of DTMF...

Fm Wireless Mikes

AI un is transmit a stable signal n me 3-108 M-U band up 10 300 e rept for High po er FfcM and PB 1 Phone bug that go Lp to 1 2 FM-i Base but with a tided mike pre amp S7.95 very sensitive audio pickup 514.95 hooks to phone line S 14.95 MC-1, Micro size sensitive mike cartridge for FM-1,2 Fantasia receiver that captures the world with just a T antennaf Can receive any 2 mhz ponion from A- t i MHe, True superset, has smooth varacior tuning, AGC. RF gam -cortrd,...

Maggiore Electronic

INTRODUCES THE NEW Hi Pro R1 REPEATER HERE 1 A COMPLETE LOW COST VHF REPEATER LESS CONTROLLER, PRICE 589.00 A 35 WATT VHF REPEATER WITH VOICE, AUTO PATCH, AUTO DIALERS ETC. 1145.00 THIS IS NOT A KIT BUT A COMPLETE REPEATER WITH A 2 YEAR WARRANTY AVAILABLE IN BOTH VHF OR UHF. FOR MORE INFORMATION CALL OR WRITE, MAGGIORE ELECTRONIC WR, SOD WfSTTOWN ROAD, WESTCHESTER PA.p 1935 . Ph 610 436-6051 Fa 610--W6

Floor

Do you have an ail-Dand 160 thru 6 Is it complete and ready to go Can you carry it in a simple 10-lb Can you install it anywhere in Mote than field day fiin is involved. File, flood, quake, wind explosion the unthinkable can always happen. What eouid it mean to your family and your The TNT GratvN-Go antenna system is complete with everything you need to launch, anchor, suspend and feed its high performance antenna and radiate a g lt xxl signal anywhere from 160 tlirn 6 meters. When you start...

MFJ

Mfj-557 Deluxe Code Practice Oscillator has a Morse key and oscillator unit mounted together on a heavy steel base so it stays put on your table. Portable, 9-volt battery or 110 VAC with MFJ-1305, 12.95. Earphone jack for private practice, tone and volume controls for a wide range of sound. Speaker Adjustable key. Can be hooked to transmitter. Sturdy. 81 2x21Ax33 i in- Use your rig's 12 VDC power supply to power two HF VHF rigs and six or more accessories with this MFJ high current multiple DC...

And HS

Check out this pair of lightweight VHF UHF yagis Maldol USA 4711 NE 50th Seattle WA 98105 Telephone 206 525-9158 Price Class HS-2 144 MHz yagi. 54.99 MSRP Maldol HS-75 440 MHz yagi. 54.99 MSRP Yagi antennas are everywhere HF. VHR UHF log periodics. monobanders. duobanders, and even triband yagis are everyday fixtures in many amateur radio stations. While most hams who use Yagis probably have fairly large models permanently attached up on a towei or roof support, there are times when a small,...