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Antennas : Antenna Calculators
- RF Transmission Line Loss Calculator
- This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator.
It also gives an estimate of the mismatched loss if the mismatch is specified.
[Hits: 1686 | Votes: 8 | Rate: 5.12] Antennas : Feed Lines
- RF Transmission Line Loss Calculator
- This calculator computes the matched line loss for a transmission line using a model calibrated from data for the transmission line types built in to the calculator. It also gives an estimate of the mismatched loss if the mismatch is specified.
[Hits: 275 | Votes: 0 | Rate: 0.00] Contesting : Software
- Contest LogChecker
- Contest LogChecker is a set of contest tools for Microsoft Windows, combining advanced text editing with keyword highlighted, and the ease and flexibility of import, export, statistics and charting utilities.
With LogChecker you can edit, fill in the log, check Cabrillo Format and Header, convert files from the most popular logging software to Cabrillo, print customizable files, calculate statistics and export logs to RTF, PDF or HTML for publishing.
You can examine a log in many different ways by highly interactive methods.
LogChecker includes a Master Callsign Database tool for managing databases, which have been generated from actual contest logs. Commercial
[Hits: 1242 | Votes: 22 | Rate: 9.44] Contesting : Stations Operating Aids : Radio Spectrum
- QRP Calling Frequencies
- Where to operate QRP
[Hits: 1203 | Votes: 0 | Rate: 0.00] - BandPlans.com
- Have you ever wondered where different modes should be operated, what frequencies to avoid as a courtesy like SSTV etc? This site offer a database for known net frequencies,known segments for different modes, known beacons
[Hits: 7994 | Votes: 8 | Rate: 7.99] Operating Modes : DSP
- Psk31
- PSK31 is a digital communications mode which is intended for live keyboard-to-keyboard conversations, similar to radioteletype. Its data rate is 31.25 bauds (about 50 word-per-minute), and its narrow bandwidth (approximately 60 Hz at -26 dB) reduces its susceptibility to noise.
[Hits: 1137 | Votes: 1 | Rate: 10.00] Operating Modes : Repeaters : USA
- New England Repeater Directory
- New England Repeater Directory (NERD) is the most accurate and up to date amateur radio repeater database available in our region. It is maintained by local volunteers of the amateur radio community. The listings are a reflection of each repeater's true status, regardless of their coordination
[Hits: 627 | Votes: 5 | Rate: 8.60] Radio Scanning : Nature : Weather
- HRPT
- NOAA HRPT - High Rate Picture Transmission, the main source of high quality data from polar orbiting meteorological satellites
[Hits: 340 | Votes: 0 | Rate: 0.00] Software : APRS
- TAHO.EXE a source for UI-View maps
- A cool add-on to UI-View, that enables to use the free datas of OpenStreetmap to generate APRS maps for UI-View in a few mouse clicks.
[Hits: 439 | Votes: 2 | Rate: 2.50] - Depiction
- Depiction mapping software can download and integrate maps, elevation plots, weather data, situation reports, damage assessments, volunteer movement, and more. It interface with your APRS ssystem
[Hits: 186 | Votes: 1 | Rate: 1.00] Software : Awards tracking
- MobileLog Amateur Radio Mobile Logging
- The MobileLog program is a specialty logging program designed for mobile amateur radio operators. It has been designed to allow quick entry of important information regarding QSOs. The software is primarily concerned with the logging of U.S. county information, which may be used to help work toward awards such as the USA-CA award for working all counties in the U.S.A. The data from this program may be imported into your general logging software. This sofware exports data in the ADIF (Amateur Data Interchange Format) and CSV (comma-seprated variable)
[Hits: 941 | Votes: 3 | Rate: 4.33] Software : Linux
- CQRLOG
- Advanced ham radio Linux logger based on Firebird database. Provides radio control based on hamlib libraries, DX cluster connection, QRZ callbook, a grayliner, ON6DP QSL manager database support and a most accurate country resolution algorithm based on country tables developed by OK1RR. CQRLOG is strongly focused on easy operation and maintenance.
[Hits: 1171 | Votes: 5 | Rate: 8.00] Software : Logging
- DXKeeper
- DXKeeper is a free application that logs QSOs, tracks award status, generates QSL cards & labels, addresses envelopes, uploads QSOs to eQSL.cc and LotW, and downloads progress info from eQSL.cc and LotW. It can reference the RAC, Hamcall, and QRZ callbooks as well as the QRZ.com web site to fill in data when logging, or to update already-logged QSOs. DXKeeper automatically interoperates with all members of the freeware DXLab Suite, including Commander (transceiver control and bandspread for Alinco, Elecraft, FlexRadio, Icom, Kachina, Kenwood, TenTec, Yaesu), DXView (world map, rotator control), WinWarbler (PSK, RTTY, CW, Phone) and SpotCollector (DX and WWV spots). It also interoperates with MMTTY, MMVARI, MMSSTV, MultiPSK, MixW, DX Atlas, and Ham Radio Deluxe.
[Hits: 13226 | Votes: 398 | Rate: 8.58] - CQ Log
- CQLog is a powerful logging program for Windows. It provides a comprehensive control centre for everyday on-the-air activities, including: full-featured logging of QSOs; statistics for many awards (for LoTW and eQSL capability); support for QRZ, RAC, GOLIST databases. You can save up to 3 pictures for each SSTV-QSO. Two-way data exchange with MixW2, and DigiPan. Integrates with DX Atlas. Real-time upload of QSOs to eQSL.cc. The program also offers a "contest-mode"; supports CAT systems for YAESU, ICOM, KENWOOD, Ten-Tec. Prints QSL cards, and QSL labels, addresses envelopes.
[Hits: 9439 | Votes: 124 | Rate: 7.70] - Turbolog
- TurboLog is a station management and logging program for the discerning radio amateur / hamradio operator. Besides powerful database and logging functions there is a fully integrated support for the control of typical radio station equipment, e.g. Transceivers, Packet radio, Morse and voice keyer, Digital modes terminal, Antenna switching, Acoustic alerting, and more
[Hits: 889 | Votes: 2 | Rate: 4.00] Software : Satellite tracking
- Ham Radio Deluxe Satellite Tracking
- Nova DDE Support, Scheduled Kepler data downloads, Integrated web browser, Audio announcements, Google Earth integration, dual radio support
[Hits: 1404 | Votes: 0 | Rate: 0.00] Software : Shortwave Software : Spectrum analyzers
- Spectrum Analyzer Real-time FFT
- Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.
[Hits: 8760 | Votes: 6 | Rate: 8.33] Technical Reference : Components
- DigChip IC database
- DigChip is a provider of integrated circuits documentation search engine, it's also distributor agent between buyers and distributors excess inventory stock.
[Hits: 1117 | Votes: 15 | Rate: 3.33] Technical Reference : Duplexers
- Diplexer 2m 70cm
- This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band
and simultaneous receiption on the other band by hb9abx
[Hits: 2461 | Votes: 2 | Rate: 2.00]
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