CommCat 4 is a radio control and logging program for radio amateurs who share a passion for talking to other hams around the world. CommCat works with most popular radios and accessories. It requires a Windows XP or later computer. CommCat 4 is compatible with the Vista through Windows 10 operating systems.
CommCat is packed with features to help you find and work DX. Its acclaimed rule-based spot manager filters incoming spots from the Internet and alerts you when a needed DX station is present. The DX Tracker and Band Spotter windows help you analyze activity and operating habits.
The best way to learn more is to download the CommCat 4 demo and give it a try with your own station. You can view and print CommCat Help here. First take a look at CommCat the Movie by clicking the button below.
News
The Alexanderson alternator 2019 Christmas Eve transmission on 17.2 kHz from SAQ in Grimeton, Sweden, was heard by more than 400 listeners. SAQ reported conditions were very good, with clear, dry weather, and the vintage transmitter functio... Read more
VHF
Compact Design and Reliable 5W RF Power Output (Selectable 5W/ 2.5W/ 1W/ 0.3W) C4FM Digital V/D Mode, Voice FR Mode, Data FR Mode and Conventional FM Mode 700 mW of audio power with C4FM clear and crisp audio quality Dual Band Simultaneous... Read more
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Recent Posts
Setting up APRS on the Yaesu FT3DR Handheld Transceiver – Ham Radio Q&A
Compact Design and Reliable 5W RF Power Output (Selectable 5W/ 2.5W/ 1W/ 0.3W) C4FM Digital V/D Mode, Voice FR Mode, Data FR Mode and Conventional FM... Read more
The K7RA Solar Update
Cycle 25 sunspots persisted for the first two days (January 9-10) of this reporting week, January 9-15, with daily sunspot numbers of 14 and 11. That... Read more
SAQ Alexanderson Alternator 2019 Christmas Eve Transmission Heard by More than 400 Listeners
The Alexanderson alternator 2019 Christmas Eve transmission on 17.2 kHz from SAQ in Grimeton, Sweden, was heard by more than 400 listeners. SAQ report... Read more
Large-Scale DXpedition to Timor-Leste Planned for this Fall
The Lagunaria DX Group is planning a “large-scale DXpedition” to Timor-Leste (4W) in the October/November 2020 timeframe. “We currently have one team... Read more