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SWM-1998-03.Pdf iii fi-7)1777fi RECEIVES 100kHz - 2000MHz BATTERY SAVE FACILITY For extended use MULTI MODE RECEPTION SQUELCH CONTROL AM WFM - NFM - SSB - CW Fully adjustable and switchable squelch control 1200 MEMORY CHANNELS STYLISH CABINET WITH LARGE SPEAKER CHANNEL SCOPE SPECTRUM ANALYSER For clear sound quality that allows monitoring of 40 channels at a glance A SUPER SENSITIVE RECEIVER CHANNEL SCOPE PEAK SEARCH DUAL VFOs During searches you can tune in the strongest signal FACILITIES FOR CLONING ANOTHER SET displayed on the channel scope BUILT IN 24 HOUR CLOCK ADVANCED SCANNING FEATURES that allow selection of these types of scanning: DISPLAY - CONTRAST - CONTROL LOW BATTERY ALARM Programmed Scan VFO search (up to I0 groups) Dual VFO search SWITCHABLE ATTENUATOR Programmed Memory Scan Band encursion scan SELECTABLE CONTROL BEEP TONE Any Memory Scan Priority scan KEYPAD LOCK CONTROL Mode Scan Any channel ship scan (not found on many scanners!) USER FRIENDLY FEATURES Help messages - Personalised Channel names - Memory includes cloning - Auto memory write scan - Beginner/Expert Mode - Memory Tune Mode LARGE CLEAR ILLUMINATED DISPLAY with switchable backlight for easier use at night TIMER FUNCTIONS With auto ON/OFF facility SPECIFICATIONS Frequency 100kHz - 2000MHz Memories 1200 MAINS DROP IN CHARGER Scan Speed 25 ch/sec For easy and convenient use OPTIONAL EXTRAS Scan Steps Selectable (50Hz - 500kHz) NICAD BATTERY PACK EBP-33NSmall size 650mAH NiCad...L39.95 in 20 fixed steps 4.8V DC 700mAH NiCad battery pack EBP-34NLong lifeI 200mAH NiCad...L49.95 Receiver Triple Superheterodyne BELT CLIP ESC -29 Standard Soft Case £7.95 Dimensions 57(H) x 150(W) x 25.5(D) CARRYING STRAP EBC-6 Mobile Mounting Bracket £12.95 Weight 320g EME-6 Earphone £10.95 (with EBP-37N Battery pack) FLEXIBLE LOW PROFILE ANTENNA ri7r7r,7 ICOM'S NEW COMPUTER clic "--joariciiiti--.2.4-4.-, , 7',"'Zii.....,:: RADIO SYSTEM ,.....roomFdi liewo ice MM.. 1 00kHz -1 300MHz 44 LOTS ALL MODE RECEPTION frf E1 AIMik I, (4 r rI[I ri . r IOW FREQUENCY: 66 - 88MHz 300 - 470MHz DEALERS! - for further details contact 108 - 170MHz 806 - 1000MHz MODES: AM/NFM Phil Jeffery in our TRADE DEPARTMENT STEPS: 5, 6.25, 10, 12.5, 25kHz MEMORIES: 200 Phone: Intl (0044) 1705 698113 Fax: Intl (0044) 1705 690626 BAND MEMORIES: 10 (user re -programmable) An exciting new handheld PRIORITY CHANNELS: 10 packed with features - but SCAN/SEARCH SPEED: 30 per sec at a price you can afford! OUTS TA NNN POWER: Requires 4 x AA batteries The receiver has Vi)WE FOR HONE SUPPLIED WITH: Antenna, Earpiece, "breathtaking performance" ensuring Carrying Strap and built-in Desk Stand NEVADA this set is destined to be commumcat ons a number one seller Retail 0 Mail Order REASONS---1* to buy your scanner 01105 002145 with CONFIDENCE from Facsimile 1 01705 090020 109 London Road North End Portsmouth PO 9RE We offer FRIENDLY expert advice E -MOIL [email protected] We GUARANTEE to price match h11p Maui nevan co We hold LARGE stocks We offer SAME DAY despatch We give a NO -QUIBBLE guarantee We carry FULL SPARES BACK-UP We have IN-HOUSE SERVICE facilities We are UK DISTRIBUTORS for Yupiteru We have been established 28 YEARS! Mr4)66 All our SCANNERS are CE approved STILL the No I seller! !i.12 in.J3 A cracking new receiver aimed at the Broadcast and Shortwave listener. JRC build some of the World's finest A new low cost receiver from this famous American receivers and this is no exception. manufacturer with exceptional sensitivity, selectivity and dynamic AM, FM, USB, LOB, RiTY, CW Designed to give clarity and interference range. A ruggedly built radio that is easily transported with Freq range: 100kHz-30MHz free reception. optional carrying handle or vehicle mounted for mobile use. Wide/narrow noise blanker AM synchronous detector I 00kHz - 30MHz RF pre -amplifier for enhancing weak signals Low noise PLL chip AM/SSB 1000 memories Wide dynamic range 100 memories RF attenuator Sensitive receiver Easy tuning Tone control Noise blanker 695.00 Selectable Sideband 499.00 Adjustable RF gain RS232 computer I/F Synchronous detection Notch filter 100 memories Dual antenna inputs AGC Clock/Timer functions Long wire short wave antenna Two 24 hour clock timers Supplied c/w AC mains adaptor I 2V DC operation RS 232 interface shippiRgworld wide-casf-CRYzi years! Announcing the Techtoyz the miniature test equipment line from optoelectronics TMC100 Rubber Duck Antenna They're Compact and Easy to Use...Featuring Techtoyz, the Pager Sized Test Equipment line from Optoelectronics. If compact test equipment is what you're looking for, then the Techtoyz line is for you. All three Techtoyz products are built into pager style cases, small enough to fitin your palm, yet powerful enough to take on your biggest jobs. The Micro Counter Techtoyzlineincludes the new Micro 10MHZ - 1.2GHz Range Counter and Micro DTMF decoder, and 12 character LCD Display now introduces theall new Micro RF 1 kHz, 100Hz and 10Hz Resolution Detector, a two mode (bargraph or numer- 2.5mm stereo jack for optional ical display) signal strength meter. Each antenna mode can be set to activate a beep when Store 3 frequencies in memory signal strength reaches a selectable level from 1 -100, that also activates the hit counter which stores up to 250 hits. The Micro RF detector covers a wide, 10MHz - 2GHz, frequency range. Micro DTMF Decoder Bargraph Mode Internal microphone for audio input Line audio input jack 200 hour battery operation MADE Auto blank insert after 3 second IN delay U.S.A. 2000 character scrollable memory Numerical Mode V ViNNIliN160%st \V r rasa 5821 NE 14th Avenue Ft. Lauderdale, FL 33334 HAYDON COMMUNICATIONS NEVADA COMMUNICATIONS 132 High Street Middlesex HA8 TEL 189 London Rd. Portsmouth Hampshire P02 9AE Telephone: 0181.951.5781 Fax: 0181.951.5782 Telephone: (01705) 662154Fax: (01705) 690626 WATERS & STANTON ELECTRONICS 22 Main Road Hockley Essex SS5 4QS Telephone: (01702) 206835Fax: (01702) 205843 Vol. 56 Issue 3 March 1998 ISSN 0037-4261 ON SALE FEBRUARY 26 Next issue on sale March 26 EDITOR: Dick Ganderton, C. Eng., MIEE, G8VFH Contents ASSISTANT EDITOR: Kevin Nice, BRS95787, G7TZC NEWS AND PRODUCTION: Zoe Crabb ART EDITOR: Steve Hunt PAGE LAYOUTS/SCANNING: Paul Blachford EDITORIAL 14Radioscience Observation - Arrowsmith Court, Station Approach, Broadstone, Dorset BH18 8PW Magnetometer Sensors - Part 2 Telephone: (01202) 659910 Facsimile: (01202) 659950 Joe Can' K4IPV If you wish to send E-mail to anyone at SWMthen our Internet domain name is: The Medfrex Antenna pwpub.demon.co.uk Simply add the forename of the person you Richard Q. Marris wish to contact. For example: [email protected] A Day In The Life Of A Radio BOOKS & SUBSCRIPTIONS : Page 14 CREDIT CARD ORDERS: Inspector - EPIRB Michael Hurst (01202) 659930 (Out -of -hours service by answering machine) J. Edward Brown ADVERTISEMENT DEPARTMENT ADVERTISEMENT MANAGER: Roger Hall G4TNT The World's First Wireless Telephone: 0171-731 6222 Newspaper MODE FAS Facsimile: 0171-384 1031 PHONES EM Mobile: (0585) 851385 Eric Westman ADVERTISEMENT DEPARTMENT (Broadstone) ADVERTISING SALES: Chris Steadman IM 3CI Lowe HF-150 Europa Review Page 30 ADVERTISEMENT PRODUCTION: Carol Trevarton ADVERTISEMENT TYPESETTING: Peter Eldrett Mike Richards G4WNC Telephone: (01202) 659920 Facsimile: (01202) 659950 O PW PUBLISHING LTD. 1998. The End Of An Era? The Trio Copyright in all drawings, photographs and articles published in Short Wave Magazine is fully protected and reproduction or imitation in whole or in part is expressly R-820 Receiver forbidden. All reasonable precautions are taken by Short Wave Magazineto ensure that the advice and data given John Wilson G3PCY to our readers is reliable. We cannot, however, guarantee it and we cannot accept legal responsibility for it. Prices are those current as we go to press. Short Wave Magazine, USPS No. 006996, is published monthly for £25 (UK) per Hoka Code3 Gold Review year by PW Publishing Ltd., Arrowsmith Court, Station Approach, Broadstone, Dorset BH18 8PW. Second Class Postage paid at South Hackensack. Postmaster: Send USA Kevin Nice G7TZC address changes to Royal Mail International, c/o Page 36 Yellowstone International, 2375 Pratt Boulevard, Elk Grove Village, IL 60007-5937. DISCLAIMER. Short Wave Magazine wishes in no way to either condone, or encourage, listeners to monitor. frequencies and services which are prohibited by laW. We respectfully refer you all to both the Wireless Regular Columns Telegraphy Act 1949, and the Interception of Communications Act 1985. Some of the products Airband 70 Info in Orbit 77 Scanning 58 offered for sale in advertisements in this magazine may have been obtained from abroad or from Amateur Bands Round -up 66 Letters 8 SSB Utility Listening 53 unauthorised sources. Short Wave Magazine advises readers contemplating mail order to enquire whether Bandscan Australia 10 LM&S 80 Subscription Offer 49 the products are suitable for use in the UK and have 86 Trading Post 90 full after -sales back-up availableiThe Publishers of Book Profiles 50 Maritime Beacons Short Wave Magazine wish to point out that it is the Book Store 88 MilAir 63 What's in PW 92 responsibility of readers to ascertain the legality or otherwise of items offered for sale by advertisers in Communiqué 4 Order Form 91 this magazine. Decode 73 Propagation Extra 65 Cover Subject DXTV 68 Propagation Forecast 64 Discovery heads for space - again. Editorial 8 Rallies 10 Courtesy NASA. Grassroots I I Satellite TV News 59 3 1.53° 114.97° .58° 15.54° 49°5 38.97°N ±1±1i1 JJJ 15.42:40 1/03/98 6,5 19.62°E JJJ If±1±1 NEWS ;A'ommunique Shortwave Shop Open Day The Shortwave Shop is holding its Open Day on Sunday 15th March 1998 at the Southern Electric Museum, Bargates, Christchurch, Dorset on the 83073.
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