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ST yr (Dot a serious 1 isterier withoutVI,M! 1 II.. IM FM LI LIra ri I 1.1-1LI El MULTI -BAND RECE- _ actoc)STEP MODE B.W LOCK ATT SKIP PRI M>VFO S.P. READ MW Wilson On The Wadley Loop Build A Peak/Notchter 2 ;14 Joe Carr's Radioscience Obsergationo Magnetometer Sensors ,i) n IT firier7frbificri 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 Programmed Scan VFO search LOW BATTERY ALARM (up to 10 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 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 I 00kHz - 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...E39.95 in 20 fixed steps 4.8V DC 700mAH NiCad battery pack EBP-34NLong life 1200mAH NiCad...E49.95 Receiver Triple Superheterodyne BELT CLIP ESC -29 Standard Soft Case £7.95 Dimensions 57(H) x 150(W) x 25.5(D) EBC-6 Mobile Mounting Bracket £12.95 Weight 320g CARRYING STRAP EME-6 Earphone £10.95 (with EBP-37N Battery pack) FLEXIBLE LOW PROFILE ANTENNA rr.q777 Fr; ; T'FFITT ICOM'S NEW COMPUTER RADIO SYSTEM 100kHz- 1300MHz titvt LOTS ALL MODE RECEPTION MORE! Frr-r r . r Y. LI:41 ELLU YURTERU MUED.BANb tikyll RECEIVER DIJSTE4 66 - 88MHz 300 - 470MHz DEALERS! - for further details contact 108 - 170MHz 806 - 1000MHz MODES: AM/N1FM khiS 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! OLITSTANNIV POWER: Requires 4 x AA batteries The receiver has LIEFOR HONE SUPPLIED WITH: Antenna, Earpiece, "breathtaking performance" ensuring Carrying Strap and built-in Desk Stand NEVADA this set is destined to be commumcat ors a number one seller REASON Retail 0 Mail Order PRICE to buy your scanner 01105 662145 MATCH with CONFIDENCE from facsimile 01105 0911021 kEl![11111 189 London Road North End Portsmouth PO2 9RE We offer FRIENDLY expert advice E-MAIL info@nevada co uh We GUARANTEE to price match http nevada.co uh 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! 2010 All our SCANNERS are CE approved STILL the No 1 seller! D t4M 5T142 [11.M rrin A cracking new receiver aimed at the _ L Broadcast and Shortwave listener. JRC -10k4/(1\1S 70C1,1 build some of the World's finest A new low cost receiver from this famous American ==1 receivers and this is no exception. manufacturer with exceptional sensitivity, selectivity and dynamic AM, FM, USB, LSB, RTTY, CW Designed to give clarity and interference range. A ruggedly built radio that is easily transported with Freq range: 100kHz-30MHz free reception. optimal carrying handle or vehicle mounted for mobile use. Wide/narrow noise blanker AM synchronous detector 100kHz - 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 1/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 siiippiiiig ',Jeri(' wide-cast-C21#ziyearsI Reaction 456, Tune Another Receveri Another radio to tune, another reason to purchase the Scout. Until now the AOR AR8000/2700 were the only hand held scanners to take theOptot.inxlio Use control advantage of the Scout's Patented Reaction Tune function. The Scout can now forcomputerIC-Ft10 tune the new ICOM IC -R10 hand held scanner (shown below). Connection is the1COM /-/- easy: No modifications required - No custom cables to buy - Just plug and r I P. I AN- 44, play. Computer Not Included Scanner hobbyists and communication professionals benefit from the Scout's unique functions. Whether you're searching for new frequencies in your neighborhood, or testing for interference, the Scout is the ultimate communications tool. Armed with a 400 frequency memory register, the Scout does not record duplicate frequencies, instead it coordinates repeated frequencies into a hit register storing up to 255 hits per frequency. Attach it to your belt and begin your day, the Scout will alert you when a signal is received by its beeper or vibrator function. You won't miss a thing with Reaction Tune. The Scout's CI -V compat- ible output allows it to interface to the AOR AR2700/AR8000, ICOM R7000, R7100, R8500, R9000 and now the new IC -R10 (shown oposite). The Scout captures the frequency, then sends the serial data to the receiv- er and tunes the scanner to the frequency for instant monitoring in less than one second. Recorded frequencies can be downloaded to a PC using the optional OptoLinx universal interface SPECIFICATIONS 00 462.000 1.10MHz- 1.4GHz frequency coverage Stores and records 400 frequencies in memory with 255 hits for each Interface to a PC for frequency download using optional OptoLinx PC interface Distinctive beeps indicate frequency hits, pager style vibrator for discreet recording Automatic EL backlight for night operation Ito- 16 segment RF signal strength bargraph 11.- Frequencies are automatically saved when unit is turned off IN' Reaction Tune the ICOM R7000, R7100, R8500, 89000, IC -R10, and AOR AR2700, AR8000, and the Radio Shack Pm 2005/6 using the Optoelectronics 0S456, Radio Shack Pro 2035/42 using the Optoelectronics 0S535 Scout with ICOM IC -R10 Mono Cable required (shown) 01111hIrlirinellik NMI"'111m#T111191kAllik II10.104® Nh 11 `OLIN limilsOksi 1111111\0111 NI Ill Ihms. INNOVATIVE PRODUCTS FOR A MODERN PLANET 5821 NE 14th Avenue Ft. Lauderdale, FL 33334 HAYDON COMMUNICATIONS NEVADA COMMUNICATIONS 132 High Street Edgeware Middlesex HA8 TEL 189 London Rd. Portsmouth Hampshire P02 9AE Telephone: 0181.951.5781 Fax: 0181.951. 5782 Check Telephone: (01705) 662154 Fax: (01705) 690626 Out Our VVe WATERS & STANTON ELECTRONICS 22 Main Road Hockley Essex SS5 4QS Telephone: (01702) 206835 -w Fax: (01702) 205843 outoelectrontcs.cool The ICOM logo is a registered trademark of ICOM Inc. ICOM IC -RIO not distributed by OPTOELECTRONICS, contact ICOM for nformation and availability. 2. Vol. 56 Issue 2 February 1998 ISSN 00374261 ON SALE JANUARY 22 Next issue on sale February 26 EDITOR: Dick Ganderton, C. Eng., MIEE, G8VFH Contents ASSISTANT EDITOR: Kevin Nice, BRS95787, G7TZC '-4,IEWS AND PRODUCTION: ZokCrabb ART EDITOR: Steve Hunt PAGE LAYOUTS/SCANNING: Paul Blackford EDITORIAL Arrowsmith Court, Station Approach, Broadstone, 12 The Non -Phase Lock Loop Dorset BH18 8PW Telephone: (01202) 659910 John Wilson G3PCY Facsimile: (01202) 659950 If you wish to send E-mail to yone at 18 Yupiteru MVT-3300EU Hand - SVVMthen our Internet domain ?fame is: pwpub.demon.co.uk Held Scanner Review Simply add the forename of the person you wish to contact. For example: Chris Lorek G4HCL [email protected] 24 The Rising & Falling of BOOKS & SUBSCRIPTIONS : Page 18 CREDIT CARD ORDERS: Sparks Michael Hurst (01202) 659930 (Out -of -hours service by answering machine) Rab Thomson VP8ARR ADVERTISEMENT DEPARTMENT 32 Wage War On Whistles- ADVERTISEMENT MANAGER: Roger Hall G4TNT Telephone: 0171-731 6222 Part 2 Fatsimile: 0171-384 1031 Peter Rycraft Mobile: (0585) 851385 ADVERTISEMENT DEPARTMENT (Broadstone) 38 Radioscience Observation - ADVERTISING SALES: Chris Steadman MBIM Page 74 ADVERTISEMENT PRODUCTION: Carol Trevarton Magnetometer Sensors ADVERTISEMENT TYPESETTING: Peter Eldrett Joe Carr K4IVP Telephone: (01202) 659920 Facsimile: (01202) 659950 LIHMI nams .1.2 - The tree., 114411b deee4erA0T 107, Kb.. oaf O PW PUBLISHING LTD. 1998. 48 The Crystal Set That Copyright in all drawings, photographs and articles 1AS1111-417211 1-S 0-1 ;;; ;:leeted published in Short Wave Magazine is fully protected and S ioo hendler i n .. 1/e,1 Transmitted 1 D110enabled reproduction or imitation in whole or in part is expressly D herull al Onlae24 forbidden. All reasonable precautions are taken by Short .401.9 al TIM Me Wave Magazine to ensure that the advice and data given Eric Westman 14;1I;1;412!14;311 to our readers is reliable. We cannot, however, guarantee it ,S011,<SVIIT,S011110.11661111111/411011110,SIRT17400111101,1111110S10/17,n00 /117,1 11.0115f1,1216110,01011S,M0.02256.700/1$1,134460S701. l <011 and we cannot accept legal responsibility for it. Prices are vs. Te 7-"g4;11:k'T: those current as we go to press.