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Query: qsl.net
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A close up of Doppler Shift, a phenomenon which is commonly observed by the lay person, yet still confuses many amateur satellite operators. -
The CQ Contest & DX Group, main activities is - participating in contests. Mainly in the Nordic Activity Contest at the 50 MHz, 144 MHz and 432 MHz, though the group holds a full licence, have we not participated in a HF contest yet. -
New Zealand Women Amateur Radio Operators, to promote and encourage interest in amateur radio amongst women. -
A calibration kit useful when you need known reference impedances to properly calibrate your vector network analyzers. -
On 28.219 Mhz it puts out a whopping 3.85 watts into an inverted V dipole at about 30 ft. -
Some pictures of Ham Radio Lightouses Awards -
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A page with several testing and measurement resources usefull for those ham radio operators who needs to align or repair their own radio equipment. -
The Licking County Contest Group (LCCG) is a small group of Radio Amateurs in Licking County Ohio who enjoy contesting. -
Botswana October November 2010 DX Pedition -
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A Fox transmitter by VE2EMM with construction details part list and schematic diagram -
The Laurel Highlands VHF Society, Inc. owns and operates the Acme repeater, located on the Chestnut Ridge in southwestern Pennsylvania. -
Coordinates amateur radio repeater systems, control and link frequencies -
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The Sullivan County Emergency Services Amateur Radio Association headquarters is located in the Sullivan County Courthouse Laporte, PA. -
Amateur radio and family related site. Good ham links. Great pictures of antique amateur radio and military gear. -
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Ham radio club in west Los Angeles -
Official web site of the yt9x contest team Radio Club "Sevojno" - YT9X Contest Team -
Fort Knox Amateur Radio Club Kentucky USA -
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Smith Chart it is a graphic tool for solving transmission lines problems -
List of countries that have been worked from the Czech Republic on 50 MHz band since January 1, 1993 -
Description of an HF beacon keyer with telemetry. What makes the keyer rather different is its versatility - it is a multi-mode unit, with ASK and FSK modulation, sending Feld-Hell and Morse on command -
Amateur Packet Reporting System (APRS) operations often require compact, reliable solutions for transmitting position data, particularly for mobile or portable stations. This resource details the construction of the _Tiny Track-I_, a transmit-only APRS tracker designed for straightforward integration with a VHF radio and a Global Positioning System (GPS) receiver. It enables hams to broadcast their location without the complexity of a full-duplex TNC. The project outlines the printed circuit board (PCB) layout and schematic, based on an original design by N6BG, with a personal PCB drawing by SV1BSX. It includes specific component placement and notes an additional 10uF/10V capacitor (C5) for improved IC voltage decoupling, a modification not present in the original N6BG diagram. The unit connects to a computer or GPS via a DB9 female connector. This tracker is ideal for basic position reporting, offering a simple and effective way to participate in APRS networks. Its small footprint makes it suitable for vehicle installations or field deployments where space is limited, providing a **reliable 9600 baud** data stream for location updates. -
This software loads WPX type ADIF files with the <PFX:xxx> tag and calculates the different callsign prefixes. The software will load and capture the totals for big files. ADIF files must have the .adi file extension. -
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This resistor calculation tool shows which combinations of two resistors, series or parallel, gives a match better than the closest standard value. -
Personal Page UR4IOR from Ukraine, with some nice personal photos. -
Hamradio, Webcams, Radio and TV-Links by DF3SP Walter -
OK2ZC ex ok2bee homepage with log search and photos -
A HF power amplifier with a push-pull of AFT09MS015N. The (small-signal) gain of the amplifier is around 26 dB in the lower HF band and goes down to about 24 dB on the higher end and still around 21 dB at 50 MHz. Its input matching is relatively good at the lower HF and degrades above 10 MHz. -
Special Service Club -
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The **Luis Trenker Award** is an amateur radio operating award established by the Amateur Radio Club Ladinia to honor the director and author Luis Trenker from Val Gardena, South Tyrol, Italy. To qualify for the award, HF stations must achieve five confirmed QSOs with each of five specific Alpine countries: Italy (with specific prefixes like I1, IK1, I2, I3, IN3, IW3, IV3), France, Germany (with DOKs A, C, T, U), Switzerland or Liechtenstein, and Austria (with prefixes OE2, OE3, OE6, OE7, OE8, OE9). A single QSO with a member of the Amateur Radio Club Ladinia can substitute for the five required Italian QSOs, with members' QSL cards bearing a special rubber stamp. VHF/UHF stations have a simpler requirement, needing only one confirmed QSO with each of the five Alpine countries. SWL stations are eligible under the same conditions as transmitting stations. All contacts must be valid after April 12, 1990. Applicants must submit a list of contacts, certified by two OMs or a club, to the Amateur Radio Club Ladinia in Ortisei, South Tyrol, Italy. The award manager is IN3PGS Karlheinz, and the club official is IW3AQL Luca. -
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