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Antennas : 20M- KD6WD Moxon Antenna Project
- KD6WD introduce moxon rectangles, and in particular explains how he built a moxon antenna for 15 17 and 20 meters band with excellent pictures
[ Hits: 8008 | Votes: 7 | Rating: 7.14 ]
- T2FD, The Forgotten Antenna
- The terminated tilted, folded dipole T2FD is a little known antenna that performs excellently. Compact in size compared to a half-wave dipole the T2FD provides signal gain, wide frequency coverage, and exceptionally low noise characteristics.
[ Hits: 4884 | Votes: 3 | Rating: 8.33 ]
- Common mode chokes
- Excellent article on limiting noise using chockes by Chuck Counselman, W1HIS
[ Hits: 5304 | Votes: 12 | Rating: 5.17 ]
- Assembly of the Lightningbolt Quad
- One of the best antenna values on the market is the LightningBolt Quad. At about half the cost of a tri-band yagi, you get five band coverage with a single coax feedline and excellent performance from a light, low wind load antenna.
[ Hits: 3750 | Votes: 10 | Rating: 6.8 ]
- K2DBK's Ham Radio Blog
- Miscellaneous ham radio stuff from K2DBK
[ Hits: 366 | Votes: 0 | Rating: 0 ]
- LY Hamfest
- Every summer Lithuanian radio amateurs gather together to their traditional HAMFEST somewhere in a beauty spot in Lithuania.
It will provide excellent occasion to meet over 300 LY hams in the same place
[ Hits: 357 | Votes: 0 | Rating: 0 ]
- BHI Ltd
- Noise eliminating products. Remove unwanted background noise and interference leaving only the speech. Clear communications, listen stress free. Dsp noise cancellation solutions.
[ Hits: 876 | Votes: 1 | Rating: 10 ]
- MicroSignals
- MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.
[ Hits: 791 | Votes: 1 | Rating: 7 ]
- Otto engineering
- Otto engineering is comprised of two divisions otto controls and otto communications. otto controls designs and manufactures a full line of switches and grips used in heavy equipment, aerospace, marine, medical and other demanding applications. otto communications designs and manufactures audio accessories for two-way radios used in public safety, police, fire, retail, hospitality manufacturing and other markets.
[ Hits: 1197 | Votes: 2 | Rating: 7.5 ]
- W&W Batteries manufacturer
- U.s.a. manufacturer of replacement radio batteries, battery packs, inserts, chargers, analyzers, and battery eliminators for the public safety, land mobile, amateur radio and cellular phone industry.
[ Hits: 1017 | Votes: 0 | Rating: 0 ]
- Which bands to use
- An excellent introduction to ham radio bands, which bands to use and when.
[ Hits: 1440 | Votes: 1 | Rating: 10 ]
- W6AMT Grid Maps
- Maidenhead grid maps for VHF/UHF, These maps make excellent wallpaper for your contest setup.
[ Hits: 3720 | Votes: 23 | Rating: 5.87 ]
- Batterytech
- Buy nimh, ncicad, and li-ion batteries, chargers, and analyzers for laptops, pdas, digital cameras, cellular phones, nextel radios, hand held scanners, and eliminators
[ Hits: 751 | Votes: 1 | Rating: 10 ]
- Grandicelli
- Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin
[ Hits: 831 | Votes: 0 | Rating: 0 ]
- Radios 4 you
- Radios 4 you inc. where quality radios and other electronic products are blended with fair prices to produce excellent value for you. radios specializes in shortwave radios, solar rechargeable radios, am radios, and fm radios for sale.
[ Hits: 474 | Votes: 0 | Rating: 0 ]
- ARIDX by UA1AAF
- At the moment the most used program is UA1AAF. It is an excellent program written by Boris, UA1AAF, to handle ARI International DX Contest. It can simulate K1EA or N6TR workings; it will be possible to connect the RTX to the computer using a standard interface in such a way as to transmit directly in CW from the keyboard; most of the controls are like K1EA's CT and N6TR's TR ; on line help provides almost all the information necessary for using the program. Is possible to insert QSO after the contest. An appropriate utility in included for conversion in ADIF format. The program is very small and therefore works without any problems on any IBM compatible computer with DOS 3.3 and over or Windows 95/98.
[ Hits: 1470 | Votes: 4 | Rating: 5.5 ]
- Using Batteries
- Batteries in fact and fiction. Batteries, Cells,Chemistry, Math and Radios
[ Hits: 419 | Votes: 0 | Rating: 0 ]
- Using ferrite for interference suppression
- Excellent guide to using ferrite cores for interference suppression.
Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File
[ Hits: 6161 | Votes: 6 | Rating: 9.5 ]
- Kenwood TS830S Survival Guide
- Excellent collection of TS 830S documents collected from the web and other sources by DL9AI, PDF File
[ Hits: 4660 | Votes: 11 | Rating: 7.91 ]
- Home Brew a Condenser Microphone
- An inexpensive condenser microphone with excellent performance can be easily constructed with easily available parts.
[ Hits: 1887 | Votes: 2 | Rating: 5.5 ]
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