call sign

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call sign

221 links - and 2 categories

Antennas : 20M : 20 meter Vertical Antennas
  • 4m Tall Vertical Dipole for 20m - Constructed in May 2008, this innovative 4m tall electrically full-size halfwave vertical dipole, tunable to multiple bands, offers HF coverage despite its space-saving design. Inspired by cost-effective DIY alternatives, the antenna design departs from conventional center-fed approaches, utilizing asymmetrical dimensions. Despite resonance challenges, the antenna's performance remains viable, boasting broad bandwidth and adaptability, as demonstrated through SWR measurements and EZNEC predictions.
    [ Hits: 65 | Votes: 0 | Rating: 0 ]
Antennas : Magnetic Loop
  • Build the K1FM-Loop - The latest version of the K1FM-Loop is electrically similar to the previous one, but it is designed around off-the-shelf parts or, more generically, items you can readily order online. This antenna relies heavily on 3D printing.
    [ Hits: 100 | Votes: 0 | Rating: 0 ]
DX Resources : DX Peditions : 2023 DXpeditions
  • TN8K Congo 2023 - Dates: Arrival: January 6th , Departure : January 21th 2023 Call sign: TN8K Operators - Petr OK1BOA, Petr OK1FCJ, Palo OK1CRM, Pavel OK1GK , Ruda OK2ZA, Ludek OK2ZC, Karel OK2ZI, David OK6DJ Bands: 160-6m + QO-100
    [ Hits: 32 | Votes: 0 | Rating: 0 ]
  • TX6D Tahiti DXPedition - Our next DXpedition will take us to Tahiti, French Polynesia. From October 2 to October 15, 2023 we will be active with the callsign TX6D. We will be active with up to five stations from 160 m through 10 m on CW, SSB and digital modes.
    [ Hits: 62 | Votes: 1 | Rating: 10 ]
DX Resources : Log Analysis
  • ADIF Processor Map QSOs with Google Earth - The ADIF Processor is an online application that visualizes amateur radio contacts from an ADIF log file using Google Earth. SOTA CSV log files can also be used. As well as allowing you to view and explore your contacts in Google Earth, you will be able to see a Markdown or text table of contacts, use the output ADIF file which contains QRZ.com data, accurate contact distances and fields populated from comments in the input file. Print QSL labels. One of the benefits of using the ADIF Processor before uploading/storing your ADIF file is detecting errors in callsigns and activity references (e.g. POTA or SOTA references).
    [ Hits: 391 | Votes: 3 | Rating: 7 ]
DX Resources : Logs
  • TX5N Log Online - Online Log for TX5N DX Pedition to Austral Islands 2022
    [ Hits: 270 | Votes: 4 | Rating: 7 ]
  • HW44A Log Online - Online Log and OQRS for H44WA DX Pedition to Solomon Islands 2023
    [ Hits: 22 | Votes: 1 | Rating: 1 ]
Ham Radio : Blogs : Asia : India
  • DXR Electronics Bits - Electronics and Technical resources from indian amateur radio ham D.Prabakaran with callsign vu3dxr
    [ Hits: 55 | Votes: 5 | Rating: 8.6 ]
Ham Radio : Clubs : North America : USA : Kansas
  • W0CW Kansas City DX Club - Established in the mid 1970's The Kansas City DX Club is an ARRL-affiliated amateur radio club open to anyone interested in DX or contesting. Our club callsign is W0CW. Many of our club members are from the Kansas City metropolitan area, on both sides of the Missouri/Kansas state line, but our roster also includes members from all over the United States.
    [ Hits: 52 | Votes: 0 | Rating: 0 ]
Ham Radio : Licensing
  • Countries with CEPT Licence - A document that includes a list of all countries implementing CEPT licence, with detailed information on licence types like standard CEPT, CEPT Novice and HAREC. A full list of frequencies, and call signs schemas to be used by foreign operators, compiled by Hans Schwarz, DK5JI
    [ Hits: 176 | Votes: 3 | Rating: 9 ]
Operating Aids : Radio Spectrum
  • Satellite Frequency List - All Satellites Frequency List Update. A complete list of satellite frequencies available in several formats, including info on Satellite Uplink and Downlink frequencies Beacon, operative Mode, Callsign and Weather sat functionality.
    [ Hits: 140 | Votes: 1 | Rating: 1 ]
Radio Equipment : HF Transceivers : Elecraft K2
  • Elecraft K2 Preselector Modification - Although most Preselectors are designed with an internal T/R relay, theoretically enabling direct insertion between the transceiver and the antenna, there is a problem when running CW, especially when running full QSK. The switching time of the internal relay is too slow to follow full QSK. The best way to avoid this problem altogether is to insert the Preselector directly into the transceiver’s RX antenna line, thus avoiding entirely the need to switch the Preselector in and out.
    [ Hits: 182 | Votes: 0 | Rating: 0 ]
Shopping and Services : T-shirts
  • Ham Crazy - HamCrazy provides various personalized hats, name badges, those light up call sign displays, decals for cars, even case plates for Apache cases
    [ Hits: 52 | Votes: 0 | Rating: 0 ]
Software : Awards tracking
  • Hamlog.online - Hamlog is online cloud platform for active amateur radio operators. It supports various on the air activities of various clubs, associations and national amateur radio organizations, allows them to create award programs and deliver awards to those who earned them. Hamlog also has a built-in real-time logger, which allows operators to enter QSO in the system as they make them. It supports multiple callsigns, multiple locations, multi-station activities, etc. Soon it will allow to connect transceivers and other ham radio devices right to the browser, allowing easy online logging virtually anywhere.
    [ Hits: 51 | Votes: 0 | Rating: 0 ]
Software : Databases
  • QRZ.sh - This script queries the QRZ.com callsign database and returns the result to the command line. A XML subscription plan with QRZ.com is required for full functionality. QRZ.com callsign data query script written in Bash
    [ Hits: 57 | Votes: 0 | Rating: 0 ]
Software : Developer Resources
  • Python Telegram bot for QRZ.com lookups - This is a Telegram bot written in Python that does ham radio call sign lookups via QRZ.com. This bot requires a paid QRZ.com account with XML access, in order to use the QRZ.com lookup feature of this bot a token for a Telegram bot
    [ Hits: 35 | Votes: 0 | Rating: 0 ]
Software : Log Converters
  • FISTS Log Converter - FISTS Log Converter simplifies various tasks for amateur radio operators. It aids in tracking FISTS Awards, submitting applications, and creating logs for FISTS Activities in Europe like the Ladder and EuCW Snakes & Ladders. Users can generate callsign checklists and import logs from existing logging programs via ADIF files. Available as freeware, it runs on Windows 2000 and later versions
    [ Hits: 19 | Votes: 0 | Rating: 0 ]
Software : Logging
  • SWLog - Shortwave and Amateur Radio Log (SWLog) is a modern suite of applications that provide logging and remote control for amateur radio and shortwave, utility, and broadcast listening. SWLog has been continuously improved and expanded since it was first released in 1988. SWLog is a suite of products that provides logging, radio control, GPS synchronization, QSL management, reporting, and propagation prediction. Program schedules from HFCC, ILGRadio, AOKI, ADDX, SWSkeds, EiBi, and others are leveraged for broadcast reception. Call sign lookups and remote logbooks are integrated with ClubLog, eQSL, QRZ, Ham365, HamQTH, and LoTW. SWLog provides Android and iOS applications for logging on the go as well as web servers for logging and remote control from anywhere. SWLog works on Windows, Linux, iOS and Android
    [ Hits: 107 | Votes: 0 | Rating: 0 ]
Technical Reference : Arduino
  • Arduino Digital Transceiver Project - Arduino Digital Transceiver (ADX) is a low-cost HF transceiver for digital modes. This Arduino-based project, inspired by QDX, features four bands, including 80m and 20m, supporting FT8, FT4, JS8call, and WSPR. Designed for simplicity and affordability, it uses an Arduino Nano, SI5351 module, and CD2003GP receiver. The ADX project emphasizes easy procurement, construction, setup, and operation, making it an accessible option for QRP enthusiasts. The firmware update enhances functionality, including CAT control support.
    [ Hits: 90 | Votes: 0 | Rating: 0 ]
Technical Reference : Spectrum Analyzers
  • A Simple Spectrum Analyzer - This is a swept-filter spectrum analyzer. Basically, RF and swept oscillator signals are fed to a mixer and the output of the mixer is passed through a highly selective crystal filter.
    [ Hits: 119 | Votes: 0 | Rating: 0 ]

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