Info

Available for various oands from 28 to 450 MHz A microprocessor-controlled repeater with full autopatch and many versatile dtmf remote con troi features at less than you might pa for a bare bones repeater or controller alone Rated for continuous duty, Jfefafe A 2W continuous duty output, T301 Synthesized VHF Exciter for vatidus Kit (ham band only) (TCXO opti h S40 109 * Wired tested, ncl Kit ( 140-450 ha in band only) ncJ TCXO 149 * TA51 far 6M 2M, 220 MHz kit 99, w t 169 * TA451 for 420-475...

Lm

Adjust for VDC output. NE - salvaged iron indicator SI and bridge rectifier also salvage. 18 73 Amateur Radio Today March 2002 Pari one of New Life for a Pierson KE-93 discussed the power supplies that were sold as companions with the receiver during the 1957 em. All of the identified problems that I had discovered were also listed, and each will be discussed in the appropriate section as we proceed, The objective of m involvement with this receiver projcct stemmed...

MAR

OKLAHOMA QSO PARTY The Oklahoma DX Assn. will sponsor the 2002 Oklahoma QSO Party (OKQP) March 22nd 2300 UTC-March 24th 2300 UTC. Ail entries may operate 36 of the 48 hour time frame. Stations outside Oklahoma work as many Oklahoma stations in as many Oklahoma counties as possible. Stations in Oklahoma work anyone. For complete details go to www.qsl.net OKDXA . Entries must be submitted no later than April 30th. Logs should be submitted by E-mail to w5atv cox.net . Electronic logs should be...

Ham Ambassador

The ham industry wants to support your efforts for ham radio growth with tree instructor materials. Wall Maps Log Books * Band Plan Charts * Frequency Charts * Grid Square Guides Discounts on Licensing Materials Equipment Discount Program To request a detailed Ham Ambassador Introductory package, write to Gordon West c o 73 Magazine 70 Hancock Rd., Peterborough. NH 03458. E-mail dcsign73 aol.com R< C. Hansen P.O. Box 570215 Tarzana CA 91357 77215 technical reprint about resonant contrawound...

Two Year Warranty

Specializing in repeaters, links, crossband repeaters, receivers and transmitters separately or in housings Maggtore Electronic Lab, 600 Westtown Rd., West Chester, PA 19382 PH 610 436-6051 FAX 610 436-6268 http www.hiprorepeaters.com 6530 Americana Pkwy. Reynoldsburg, OH 43068 6530 Americana Pkwy. Reynoldsburg, OH 43068 antenna connectors, it uses a standard BNC connector. The Radio Shack Simplex Repeater Catalog No. 19-345 provides all of the features mentioned previously and is contained in...

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619S Jefferson highway Mineral, VA 23117 USA e-mail info buck.com 5777 800 2fl2-5 6 28 S40 B9Q-9141 ffa x A 619S Jefferson highway Mineral, VA 23117 USA e-mail info buck.com 5777 800 2fl2-5 6 28 S40 B9Q-9141 ffa x A If you're a No-Code Tech, and you're having fun operating, teil us about it Other No-Code Techs will enjoy reading about your adventures in ham radio and we'll pay you for your articles. Yes, lots of nice clear photos, please. Call Joyce Sawtelle at 800-274-7373 to get a copy of...

The Team

Mike Bryce WBQVGE Jim Gray II Jack Heller KB7N0 Chuck Houghton WB61GP Andy Mac Alii si ef W5ACM Joe Moell KOOV Steve Nowak KE8YN 0 Dr. Rick Olsen N6NR Evelyn Garrison WS7A 21704 S-E. 351 h St ISSatiuah WA 90029 425-557-96 U Fax 425-557-9612 Editorial - Advertising - Orcuiation

MFJs T Portable Antenna

Great for the Yaesu FT-817 or any other QRP rig Over a year ago, I purchased a new Yaesu FT-81 7 Backpacker transceiver This small do air' and go everywhere portable is a real delight to operate. I was enjoying experimenting with all the modes of operation right from my home QTH, using the station big antennas. While trying to think up something else to do with this marvel of HF YHF UHF packaging, I realized that I had not attempted portable battery operation. But why not The transceiver is...

Power

A DC DC converter can be manually adjusted. The MOSFETs Q3 and Q4 in Fig, 1 conduct when their gates are positive Q3 conducts on one half cycle and Q4 conducts on the next half cycle. Operating with higher frequencies requires consideration of parasitics that could be ignored at 60 Hz, What were trivial parasitics at 60 Hz become serious problems at 60 kHz and at 600 kHz everything is critical Leads DIP switch prog Ta mm bil 37 Ela tones. 27 iron-standard tones Irom 33 0 to 254 i Hz...

Part

In this sometime world of conflict and hatred, there is a secluded place north of the city of Stockholm, Sweden. where international friendship through amateur radio thrives. This place is called Kva ruber get The Mill Hill , and on top of the hill a radio club has its site. The call sign of the radio club is SK0UX It is already weU known in Sweden and in many other countries as a synonym for unprejudiced and boundless friendship between people of different backgrounds, nationalities, social...