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Query: QSL.net
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First Turkish APRS web site. Many TA APRS Maps for UI-Wiev -
The page provides circuit improvements for the Kenwood TS-440S transceiver, addressing issues such as distortion in SSB signals, limited transmit frequency coverage, lack of crispness in RX audio, and flat audio response. The fixes include adjusting bias, cutting specific components, and changing capacitors to improve performance. -
Fountain Valley Amateur Communications Team Located in Orange County, Southern California -
VHF/UHF Contest Logger is a windows freeware contest log program that supports ARRL VHF/UHF contests and other popular VHF contests -
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This website is made available to the CCARC Hamradio Community and to anyone interested in Amateur Radio. -
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Almost everything on the Italian ham-radio callsign assignment system -
Mission is to provide a forum and learning environment where club members and visitors can share ideas and experiences regarding amateur radio. -
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Whippanny laboratories Li L Lulu 50 to 54 Mhz amateur radio trasnceiver -
T97M WEB Page dedicated to DXpedition to Cyprus and Kuwait November 1997. -
Boatanchors in Russia. Old tube radiosets. -
Amateur Radio: Links to Lots -
Stamford Amateur Radio Association Located in Stamford, Ct. US -
The web pages of VU2PTT, Prasad Rajagopal, also AT2PTT, AT0PTT. Information on ham radio operations, Contest log book searches -
The first Kuwaiti contest club,idea of 9K2RR -
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KK5DR review of the IC-7700 HF ICOM Transceiver -
Organizers for 9k 15-m contest -
The requested resource, identified by the title "Micamold XTR" and description referencing the _Micamold XTR-1_ transmitter manufactured in 1948 by MICAMOLD Radio Corp., is currently unavailable, returning a 404 error. This indicates the specific content detailing the vintage radio equipment, its technical specifications, or historical context is not present at the given URL. The original intent was likely to provide information on this particular piece of antique radio gear, potentially covering its design, operation, or restoration aspects relevant to collectors and enthusiasts of historical amateur radio equipment. The absence of the page means no technical details, schematics, or operational insights regarding the _XTR-1_ transmitter can be retrieved. Users seeking information on this specific "boat anchor" radio would need to pursue alternative sources or attempt to contact the original website owner directly, as suggested by the QSL.net error message. The QSL.net platform, which hosts over 30,000 individual amateur radio websites, provides free services but does not maintain the content of individual hosted pages. -
This page only applies to TH D7A's that have a S/N below 010xxxxx and have not had their firmware upgraded by a Kenwood Service Center. -
Official Yaesu FT-920 Specifications and options -
Morse code speedometer project using the 16F84 PIC -
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The LU2EE Radio Club Tandil maintains a minimal web presence, primarily serving as a directory listing under the `qsl.net` domain. The resource itself offers no direct content, instead presenting an "Index of /l/lu2ee" page with a link to the "Parent Directory." This structure suggests a placeholder or an outdated web address rather than an active information hub, providing only the club's callsign and location. Without specific content, the resource does not offer technical details, operational results, or practical applications. It functions solely as a basic identifier for the _LU2EE_ club in _Tandil_, Argentina, without further elaboration on activities, membership, or technical contributions to the amateur radio community. -
Intermediate licence amateur radio station located in Sydney Australia -
A 70cm ground plane antenna made with a 90cm of 1mm silver steel rod -
Such kind of omnidirectional antenna gives the possibility to be QRV with horizontal polarisation, as commonly used for the CW and SSB section of the 2m band. This actual design shows a 1.3:1 bandwidth of about 150kHz, centered to 144.200MHz. -
1998 Maldived DXPedition by IK5MDF log search and stats -
Influence of the ionosphere on the EME signals by EAVQ -
Information about Venezuela, frequencies, maps, photos, history, and related links -
My logbook, my test on X7 CushCraft Antenna, enjoy CW and more -
VK3BFC HamWeb with links, interactive information and much more -
This is the home page of the Brazilian ham radio PY1WAS, Alex. Essa a home page do radioamador brasileiro PY1WAS, Alex. -
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This Power meter is capable of dissipating up to 100 watts for a short period and 20 watts continuously -
This program combines the formerly know programs PreFind and MU-Locator into one but with many improvements to find the location of any prefix, country or Maidenhead locator! Display and find locators on any map and calculate the distance and direction between two locators. -
137 kHz propagation analysis details ground wave and sky wave mechanisms, drawing heavily from **CCIR Rec. 368-6** for ground wave field strength predictions and **CCIR Rep. 265-7** for sky wave modeling. The resource presents field strength values for 1 W ERP at varying distances, considering ground conductivity and permittivity for ground wave, and ionospheric height (70km daytime, 90km nighttime) for sky wave. Key factors like ionospheric focusing (factor "D"), reflection coefficient ("RC"), and antenna ground pattern factors ("Ft", "Fr") are quantified for 137 kHz, enabling calculation of sky wave field strength. Practical coverage ranges are derived for 137 kHz, showing useful ground wave coverage up to 1600 km over seawater and 1100 km over average ground, assuming a -9 dBuV/m noise floor. Sky wave coverage extends beyond 2200 km during night-time and winter daytime, but is negligible during summer daytime at solar minimum. The document also compares ground wave and sky wave strengths, identifying crossover distances at 550 km (night-time), 750 km (winter daytime), and 1250 km (summer daytime), where interference fading can occur. Adjustments for solar maximum conditions are provided, indicating 2-11 dB higher sky wave values depending on distance and season. -
The Chattooga - Walker amateur radio club -
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Autonetics radio club - k6nx - boeing, anaheim -
TI0RHU Radio Club Heredia Costa Rica with ROMEO HOTEL, DX group. -
Countries worked on 6 meters, ZF firsts on 50 Mhz, and links to resources. -
Dxpedition information site has dates, frequencies, operators etc. Planning a searchable data base for logs.
