Tribander

The tried and true KT34 series antennas have been made belter using the latest computer modeling and mechanical design techniques to provide you with the hesi tri bander performer available today. Just lake a look The tried and true KT34 series antennas have been made belter using the latest computer modeling and mechanical design techniques to provide you with the hesi tri bander performer available today. Just lake a look INCREASED FRONT TO BACK INCREASED GAIN MECHANICALLY SUPERIOR...

V

Makes a mess of everything it does is the housing shortage ilranslated incredibly high home prices and rents) in vSan Mateo. The recent census showed that the housing supply there has grown half as fast as the population. Big surprise Sure, with over two-thirds of the comity off-limits for building anything. Naturally the concerned citizens are in favor of preserving both open spaces and affordable housing. We have the same kind of stupidity concentrated in slate legislatures all around the...

Unider scanners

Bearcat 785DGV APCO P-25 Digital Ready CEI on-line or phone special price 339.95 1,000 Channels 27 bands - CTCSS DCS < S Meter Size 61 Wide x Deep * 23 r High 'Jew Produce. Scheduled (or initial release January 10, 2QQ3. Order row Frequency C v r g 25. 0 fr 1i 0000 MHz 306.G& 3- 239075MHz., 349.012S-fi0g .9875 Mhi , 804.012 050.000, 124Q.0D -13 .00 MHz. When you buy your Searcat 785D state-of-the art Digital Capable Truniitracker ill package deal from Corn muni cat ons Electronics, yuu get...

Ju

Five-element monohand log periodic fine for any hand 10 through 80tn see the Aug. and Sept 1973 issues of73 Magazine for details< 24 73 Amateur Radio Today * June 2003 quite narrow. At 50 kHz. the SWR exceeded 1,5 1, 3) A 5-element Brucc array on 20m beamed for Caracas. The gain was lower than any of the LPs tested in that direction possibly, being vertical, ihc angle of radiation may have been too low for this distance. It was only tested a fewr weeks. In addition to the ham LPs...

Travels with Henryk Part

Borneo is one of the largest islands located on the Equator in Southeast Asia The island is shared among Malaysia, the Sultanate of Brunei, and Indonesia. The Malaysian pari is called East Malaysia and consists of tw o states Sarawak (9M8) and Sahah (9M6). A few islands off the coast of Sahah count as the Sprat ly Islands, and the prefix 9M0 is used there. Photo Doris 9W6DU ami Alfons 9M6MU at the Koto Kinahalu airport. Photo B. Ralph DK3GH and Alfons 9M6MU at H i 11 vie* Gardens. I arrived in...

Insulator

R-GROUMO PLANE R AOl ALS COUNTERPOISE Fig. 4, method of transposing the center feeder see Fig, 1 h and Fig, zmrafos the four masts used to support the antennas. Ftg. 2. Vertical monopole log periodic 2 1 bandwidth. Fig. 4, method of transposing the center feeder see Fig, 1 h and Fig, zmrafos the four masts used to support the antennas. at the same heighl can be assembled for a material cost of 15 to 25 not including masts or coax, which wili vary depending on the particular site. The largest...

Catalog

Outside the U.S.A. send 3.00 postage ALL ELECTRONICS CORPORATION P.O. Box 567 Van Nuys, CA 91408 FAX 818 781-2653 allcorp allcorp.com 10 for S6.95 each - 100 for S6.50 each DVE U DSA-Q151 -12 2,1mm coax power plug. Center positive. LfL, CSA Photo f, Center insulator and position adjustment knobs for the Buddipole. Photo f, Center insulator and position adjustment knobs for the Buddipole. small magnetic loops on portable tripods. Long wire antennas made from very-small-gage wire, tapping into...

BNB

Ham Radio Repair, Quality workmanship. All Brands, Fast Service. Affordable Electronics, 7110 E.Thomas Rd., Scottsdale, AZ 85251. Call 480-970-0963, or E-mail HAM SERViCE AOL COMJ. BNB427 SATELLITE TV Large selection of items at reasonable prices. We specialize in Btg Dish TVRO C amp Ku Band equipment Check us out at www.daveswebshop.com . BNB646 HEATHKIT COMPANY is selling photocopies of most Heathkit manuals Only authorized source for copyright manuals. Phone 616 925-5899, 8-4 ET, BNB964...

QRP Antenna Showdown

What's the best antenna to use with your QRP rig More often than not, when you hear someone ask this question, they are looking for answers more in line with those for a query like9 Which antenna is going to give me the biggest signal, or the most contactsThat is, they are talking strictly performance portable use the intended use for the antenna and a familiarity with what's available, Once the user understands and becomes familiar with these two issues, then performance can be given its...

Beam

Fig. 1, Doublet log periodic configuration. This will covet a 2 I bandwidth, say 7-14 MHz or 14-28 MHz. a has a 22 aperture angle and gives about 10 rfit gain. Note the criss-cross method of transposition of the feeder, ib is shorter, with a 36 aperture and about H dB gain. Sole alternate method of transposition of the feeder Although these formulas can be computed manually, several days may be required to design on paper an LP having optimum performance in a given space. 3 Most amateurs feel...