Frequency

Ins each coal to dry before applying the next. Now lake the length of 6 topper wire and wind Onto the wooden form about 8 or 9 turns spaced about 1 inch between u indings It the windings are applied tightly. the coil wilt stay put without any coaxing however, if loosely applied, you will probably need to rape the windings int** place with electrical tape. I don't really recommend the latter procedure. I anchored each end of the primary with plastic lie-wraps. Alligator clips will be used later...

Pipo Communications

A high quality DTMF-encoder and keyboard designed exclusively for land mobile applications. Pipo Communications has developed a new keyboard for the land mobile industry, the P-7 Series of 12-key touchtone encoders. They come equipped with steel keys and sealed Gold Dome contacts. The miniature design witl fit most radios. The encoders aflow output level adjustment.There isn't any RFI, bu there is very low distortion - High Audio Output win dnve any radio. The wide operating voltage range is 4...

Mfj Products

959B 3 kft Anienna Tuner 314 5 962B 1 * jrwr jwrlch melef OS 95 949C 300 *attOe Tuner i 9 95 10 300 wan Tuner sv tn metV B8 95 10 20A Active Anten na 72 35 7b2E Dgai Tunable SSB CW FHtftr 69 95 Koyefs- 07, CALL & 31 & fl fte utef RG59 . mini 4 D 5 031H UHF panef .0 79 S tcml discounts on W ec purchases ALINCO RAD OS POWER SUPPLIES AMPLIFIERS For Orders and Quotes Call Toll Free 800-336-4799 In New England (except NH) Calt 800237004 7 In Virginia Call 800S72-A2Q1 Have you been trawling the...

Controls

Main Tuning frequency dial with six coior coded bands corresponding to the coil use. Functions osc dip meter or absorption meter mod 2 kHz modulation added to earner 9ATT checks battery Sensitivity on off and oscillator output level Earphone Jack ior monitoring AM signals Seems I was having a little probtem in getting the tuned input circuits set tip, f began by plugging in the B coil (3.3 to 8.0 MHz) and advancing the sensitivity control untiJ .8 registered on the dipper's meter. Then I moved...

Graphics Services

Manager Sue B F ian ag m. Da n C rotea u. Deborah Smith WGE Cemof Peterborough. NH 0345B-t 194 603-52 EM201 Wayne Green Enterprises rs a division or Internationa Daia Group. 73 Amzteur RniiO ISSN O745-O80X) is published monihly by WGE Publishing. Inc., a division of Wayne Green Enterprises, Inc . WGE Center. F> ete'-borough NH 03458 1194 Entire con --nts 190 7 b y WG E Pub sb ing. I roc No pan of this publication may be Electronic Equipment Bank 516 Mill St NE Vienna VA 22180...

Circle On Reader Service Card

Peaks at i,9 MHz. 3.9 MHz. and 7.2 MHz just where they were supposed to be. There are many other uses for the dipper. Among these are testing antenna traps, adjusting antenna tuners, making teedline adjustments, setting mobile HF antennas, testing tuned circuits in receivers and transmitters, or checking just about anything that can be considered tuned- You can even test crystals. Although the dipper performed quite weil at HF frequencies, it felJ off in the VHF range. However, this should not...

Ctm

233 Qetgware Amaiaur Radio +0 228 OGM Eleclromcs . 22 133 EGE, inc. * Engineering Consulting 36 15G Esofl Software 21 249 EXPERT O 83 226 John Fluke Mtg Co 22 273 Gordon West Radio School 77 * The Ham Station 71 1 Hamtronics, Inc 23 269 HustlerJnc 2 ICOM America inc Co* It 245 Jensen Tools 66 202 Jensen Tools 58 234 JO Gun h Enterprises 45 272 Jun's Electronics . . 99 * Kenwood 5.6 8.CovtV 126 The tanz Co 6 23 Larsen Antennas 16 278 UhLite CAE . . 74 220 LitUite CA 24 297 Lunar industries 60 25...

Pcb Cor Rpu Ic 4001

Can Repeater Schematic

Fix. i Schematic for the Cubic-inch Keyer. It would have to be small enough to fit into the rig I didn't warn any more hoxes and cables to worry about. It needed to be simple enough to complete quickly since I have enough grandiose -and unfinished projects around. And it would have to drau low current to minimize the load on the station batten power supply. Alter searching through literature dealing with keyer designs, I settled on the keyer ICs produced by Curtis Electro Devices. These 16- and...

Spiro Manufacturing

Spi-Ro Manufacturing offers a complete line of Multi-band Trap Antennas, both dipole and vertical sioper types. Covering aiJ amateur radio bands 160 thru 10 meters. It offers the ultimate in trap design The traps are lightweight, seated and weatherproof and feature no-rust, sofid brass terminals That do not require no soldering or jumper wires The antennas handle full power and aflow multiple band operation with a single antenna with automatic band-swiichmg. The antennas use 50 Ohm coaxial...

Ham

The Complete Communications Software Requires IBM PC or Compatible, With minimum 192 K Memory Supports Mast TNC's Including MFJ> TAPR 2, Kantronics, AEA PK-232. and Pac-Comm Push Button Binary or Ascii File Transfers. FEATURES INCLUDE QSO Card File With Dup, Check. Spin Screen Adjustable Size *30 User Programmable Macro's, Large Scroll Back Buffer User Note Pad (Record Tuner Settings etc.). Dos Shell. Permits Running Other Programs etc Without Leaving Hani Com. KENWOOD TS 440 and TS 940...

Kw Coupler

CU-714 SRA< 22 Collins 180T2) Aromatic Antenna Coupler for 2-30 MHz transmitters with outputs to 1 KW PEP or 500 w average Has UCSL-4G5 vacuum capacitor, van able ribbon inductor, and cooling blower in rugged atuminum enclosure. Opersles irom common 115 230 VAC 60 Hr power. Separate controller required 11.5x1 B.& X20,46 lbs sh. MANUAL, part-repro, 12 SCHEMATIC onEy 4 AS-IS CU-7H less cabinet and blower with broken connector but good UC5L-465and inductor 8x6 8x15, 18 lbs, Prices F 0.0, Lima...

Kantronics

Accelerate your TNC-1 or TNC-2 into 2400 bps with the Kantronics 2400 TNC Modem This add-on modem mounts directiy above your TNC, and adds 2400 bps packet, while retaining 1200 baud packet operation with your original unit. The suggested retail price is 5149 UTU-XT P features user programmable parameters, over 100 software commands, and an RS-232 TTL jumper for universal compatibility to any computer with an asyn chronous, serial I O port. UTU-XT P now operates HF PACKET along with CW 6-99 WPM...

Media Mentors

At lasi a Ham Radio curriculrn written specifically for the classroom teacher Introduction To Amateur Radio'1 contains a teacher s manual with 26 step by step lesson plans designed to motivate and instruct chil- Htinch -on learning from Media Mentors < Inc. mvice. The Untenna Hi-Rizer's model number is CR4010A It is available for 117. plus 5. shipping and sales lax where applicable. The purchase price includes antenna, feedline and mount of your choice. Additional mounts are 15. each and 2....

Comrad Industries

A unique concept in a low profile antenna for radio communications is ihe Untenna Hi-Rizer. The antenna is a full-sized, 40 through 10 meter vertical, wound down to 15 inches in height to let you put it just about anywhere It is continuously tunable from 7 to 30 MHz for Amateur. Commerciat and Government Ser- The Com Rod Hi-Rizer VNtenna, Independent of mode, selectable tumng rates, passband tuning, audio bandpass filtering, tone control, squelch, notch filtering and more. The sixty-two...

Custom Leather Radio Cases

Free info. Alexander. Box 1556. Kitchener Ontario N2G 4P2 Canada. BNB577 SB-220 OWNERS Enhance pertor-mance add new features 11 step-by step mods which include tuned input 6-and 160-meter operation, heavy-tiu-ty power supply mods, full GSK operation. solid-state bias control, and many more Source of parts included. One ime 50ao rebate for new mods submit-led and two free updates. 10 pages of lech info on the 3-5Q0Z. Order today StO per copy plus Si oostage SASE...

Alinco

The ALD-24T Dual Band Mobile Transceiver is designed to be the ultimate in compact size with an impressive array of features, allowing maximum flexibility in automobile installations. Advanced engineering and technology make it possible to offer a complete dual band radio in a very compact package. The standard features include 21 memory channels, 2 VFOs. 25 W output, and Encode Decode CTCSS. Repeater offsets are fully programmable, and the unit allows full duplex, cross band operation....

Equipment

New lcomlC76l Kenwood TH205AT Kenwood TS440S AT 1comR70Q0 25 2000 Ml i Icoro 1C735- Saf V FW 220 MM, 25w Sai IOC FM 4Q Mirage Amps I - - i -i MH i I I i 1 i Trades wanted i rade in your old H i . ca lor trade 949 00 49 00 3 9 00 31900 c yt gt Hy-Fower HL IK AMP - o4Cx250B New Kenwo d 1M 221A i5Vb. m biis VJ Amplifier VHF built m England TtnTOOoul eia 249 00 25 m TGOout 319 00 Lunar 2M4-40P 09 00 Kenwood TW 4100A____JLCall

Falling Out Of Autumn

Wolfe Island, Ontario, Canada As you read this, he leaves are falling or have fallen , the air has taken on a chill. and hopefully the tropo activity has been above average As write this, however, it's stil the dog days of August, with a steady breeze blowing over this relaxed site on the Canadian Channel of the St. Lawrence River in grid square FN14 Yours Truly effected a move to Pennsylvania back in May with the intention of expanding my real estate holdings and pursuing a somewhat more...

Mirage Amplifiers Astron Power Supplies

Saxton Wire amp Cable, nthl Wire New TEN'TEC Corsair H, PARAGON, Century 22, Argosy Hy-Gain Towers amp Antennas, and Holers will be snipped iJireci to you F tE or snapping cosi Hy-Gain Towers amp Antennas, and Holers will be snipped iJireci to you F tE or snapping cosi New TEN'TEC Corsair H, PARAGON, Century 22, Argosy MAIL ALL ORDERS TO BARRY ELECTRONICS CORP., 512 BROADWAY, NEW YORK CITY, NY 10012 FOUR BLOCKS NORTH OF CANAL ST. uAW Vrtrlf r itu' LARGEST STOCKING HAM DEALER now rum Viiy...

Microphones

Clear Channel Corp PO Box 445 Issaquah WA 98027 FAX 206 392-8413 Price Class S395 With ail the hoopla over _ _ Novice privileges on 10 meters, you wonder why more manufacturers don't respond with multimode single-band rigs to give Novices exposure to HF operation Most of the industry might be missing a beat, but not Clear Channel of Issaquah, Washington it offers two versions of its 10-rr eter monobander the Ranger AR-3300 i25 Watts output , and the Ranger AR-3500 100 Watis output . After using...

Discone Antenna Design

Discone Antenna Plans

The 80m wideband antenna at ZS6ZO. Two dtpoies spaced 90 degrees apart are fed 90 degrees out-of-phase with an electrical quarter- avefength interconnecting tine Shields of lines are all soldered together at dipole feedpoint and connected to adjacent antenna sections, plan accordingly when choosing wire and msulators li used wire for my antenna, and experienced no mechanical failures. The spreaders were fashioned from some Plexiglas that I had on hand at the time However they could be...

Twa

Even after memory back up cell dies, all operating features remain intacl No re-programming or board-swapping necessary Programmable band scan and memory scan with memory channel lock-out. Large, illuminated LCD display and main knob. For excellent visibility in direct sunlight or darkness. Selectable frequency step for quick and easy OSY. Voice synthesizer VS-2 option. PS-50 PS-430 DC power supplies MU-1 DCL modem unil - TU-7 CTCSS encoder VS-2 Voice synthesizer...

Let the Computer Steer Your Beam

Interface your standard five-wire connected rotor with your VIC-20 computer. Ham radio and computers seem to go together. If you ask most hams how they use their computer, they tell you they ha e software that will figure out almost any circuit calculation w ith Ohm's Law, and proba- F7g. I. Dhigrwit of the rottw faty F7g. I. Dhigrwit of the rottw faty bly how they can run R'l1 Y and AMTOR or Packet. Finally , they will say that someday someday when the gt get around to it they are going to tie...

Antennas West

The QRV 160-10, is a low visibility, all band HF antenna originally created for for Wire Antennas is a rapid system tor hanging wire antennas from available supports up to 75 feet high without requiring exceptional strength or exertion The system eliminates climbing, complicated paraphenalia, and the need to learn difficult The QRV-QL kit consists of a high visibility fluorescent projectile, twilight view kink proof launch line, safety protector, and a line carrier that also serves as a storage...

Littlite

Littlite Lamps, the flexible gooseneck lamps with versatility and style, are ideally suited to One of the Littllire Lamps from Unlite CAE. Inc any task involving accurate, close or detail work. Utilizing halogen technology, the High Intensity Series efficiently produces crtsp. rapid emergency installation. Speed and ease of erection resuii from the use of special kmkproof wire. The result is a durable antenna easily installed by a single person. The QRV 160-10 is insulated and completely...

Gilfer Shortwave

In one stylish case the Datong FL3 Automatic Audio Filter offers the complete solution to receiver audio processing. This filter automatically eliminates unwanted interference from tune-up tones or heterodynes 200-4000 Hz The Datong mfcWr Audio filler FL-3. with a scanning, switched capacitor filter that phase locks to the undesireable signal. The user can manually tune a second notch filter 200-3500 Hz. The FL3 also features adjustable low and high pass filters with very sharp skirts. For CW...

Callbook

Want to QSL those new contacts Then you need I he Callbook The 1907 Worth American and International Callbooks list calls, names and mailing addresses for over 950,000 licensed amateurs in countries around the world. In addition, they include Inter national Postal Information, Worldwide QSL Bureaus, Standard Time Charts, Prefixes of the World, a Census o I he I Q88 Radio A mateur Cailh h gt L Amateur Licenses in each country, and much more The price for the Callbooks vary. The North American...

Poyntek

The Snyder Fuli-Band tm antennas for the 160, 75 80, and 40 meter bands allow maximum use of modem, broad frequency range transceivers and no tune power amps to 1000 watts. These wideband antennas for the low HF bands are based on patented technology and eliminate the need for antenna tuners and special radiator networks Otj e i if Sti Vc i r i Fu I -Bii tuf' widt hand at tt n rtas The three modefs. FB-160X, FB-75 80X, and FB-40X are constructed of high quality materials including space-age...

Circle Oh Reader Service Card

A beautiful piece of furniture your XYL will love it Designed with angled rear sheff for your viewing comfort and ease of operaiiort. Checks. Vlonay Orders, BanKAmericaid and Masinr Charge Accepted. FOB CuKerCity inCanr Add 6a Sales Tax i Also Available LFiOOfS ace 51 Vn eDv Dwp

Edited By Bryan Hastings Kahy

Investigators from the FCC and the FBI are trying to track down a wayward radio operator who has been jamming an air traffic control frequency at New York's busy La Guardia Airport, According to several reports the radio operator gave false landing instructions to incoming jets. A report on the Monday, August 17thp edition of ABC's ' Wo rid News Tonight identified the radio intruder as a ham radio operator, but a spokesperson for the news bureau later admitted that ABC had no proof that a ham...

Beltek

The BEL-TEK CMOS Keyer Kit uses a ti gered cfocK to completely eliminate the possibility of the first dot or dash being any longer than the character elements that follow. The instant you push the key the character starts, eliminating the delay often encountered in keyers with free running clocks The digital circuitry of the CMOS keyer provides an exact 3 to 1 weight raio for perfect CW The keyer also provides jam-proof spacing, which eliminates the chance of placing dots and dashes too close...

Cushcraft

3-efemenl i M5- m j-eternen - M5-20m FM m Roomer AAX-2B 2m flingo Ranger 4210ftt 2m Hoomer 10 4CD -i element iQm i5-4CD4-element I5m 40 SCfl element 40m Omer Cushcatt mwfeis available HDfi iO Hotter load wiin Base Cai HOBX48H'5neTioao wilhflase DM1 tfrrfcr amp X HBx NDBX -- stoc- Other sties at similar savings Fttfdowrs sfrppad freight paid tQ i hitler esf o i me Rock CompFete Tawer Packages 25G 45G Each pai inclttdt fm settaJT rii.rf section tow. rptor sftrf, cu gt fratfcffs ftrt W re...