________________________________ From: ARRL <[email protected]> Sent: Thursday, February 26, 2026 1:46 PM To: [email protected] <[email protected]> Subject: ARLB004 W1AW to change digital mode in Keplerian Data Transmission
SB QST @ ARL $ARLB004 ARLB004 W1AW to change digital mode in Keplerian Data Transmission on Tuesday, March 31, 2026 ZCZC AG04 QST de W1AW ARRL Bulletin 4 ARLB004 >From ARRL Headquarters Newington, CT February 26, 2026 To all radio amateurs SB QST ARL ARLB004 ARLB004 W1AW to change digital mode in Keplerian Data Transmission on Tuesday, March 31, 2026 Beginning with the 6:30 PM EDT (2230z) Keplerian data transmission on Tuesday, March 31, 2026, Hiram Percy Maxim Memorial Station W1AW will replace the second digital mode - BPSK31 - with MFSK16. RTTY (Baudot) will continue to be the first digital mode used in the Keplerian data transmissions. The frequencies used by W1AW for all its digital transmissions remain the same. The current W1AW operating schedule - complete with times and frequencies - can be found on the ARRL website at www.arrl.org/w1aw-operating-schedule<https://arrl.informz.net/z/cjUucD9taT0zNTYyOTg5JnA9MSZ1PTUyMDM0MTczMiZsaT00MTc1NDA3Nw/index.html>. The online digital schedule will be updated on the day of the Keplerian data transmission mode change. NNNN /EX ARRL The National Association for Amateur Radio® Unsubscribe<https://arrl.informz.net/z/cjUucD9taT0zNTYyOTg5JnA9MSZ1PTUyMDM0MTczMiZsaT00MTc1NDA3OQ/index.html> <https://arrl.informz.net/InformzDataService/mailing/bcd/bWFpbGluZ0luc3RhbmNlSWQ9MzU2Mjk4OSZzdWJzY3JpYmVySWQ9NTIwMzQxNzMy>
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