Propagation SFI:  A:  K:  SSN:
Home
Activity Map
Help
Forums

Latest DX Bulletin

044

NNNN

CommCat Activity

News


Solar X-rays: 
Geomagnetic Field: 
Status
Status
 

As of May 2021 CommCat, CommCat Mobile and QSXer are no longer supported.
American Radio Relay League | Ham Radio Association and Resources
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
11/04/2025 04:24 PM
Ham Radio Operators to Support Indian Ocean Tsunami Exercise

Radio amateurs from the Radio Society of Sri Lanka (RSSL) will participate in the Indian Ocean Wave 2025 exercise (IOWave25), coordinated by UNESCO’s intergovernmental coordination group for Indian Ocean tsunamis on November 5, 2025. RSSL will support the Disaster Management Centre by operating HF and VHF emergency communication networks during the exercise, which is intended to test tsunami pr...


10/31/2025 06:06 PM
The ARRL Solar Update

Solar activity has decreased to very low levels. Region 4266
exhibited signs of slight development as it gained asymmetric
penumbra surrounding its trailing spots. Meanwhile, Region 4267
underwent decay, losing several leading spots. Additional activity
included a coronal mass ejection (CME) off the NE limb on October
29.
 
An associated Type II radio sweep was reported with the CME; however
SUVI 195 i...


10/30/2025 03:43 PM
2026 ARRL Foundation Scholarship Program is Now Accepting Applications

The ARRL Foundation Scholarship Program has opened the application window for 2026 scholarships. Applications will be accepted through December 30, 2025, at 12 PM EST. Students are encouraged to apply for more than 170 scholarships ranging from $500 to $25,000. All applicants must be active, FCC-licensed amateur radio operators. 

The scholarships were established by generous donors and are manag...


10/30/2025 01:34 PM
New Book Release: Small Antennas for Small Spaces 3rd Edition


CommCat, CommCatLive and QSXer are Trademarks of COMMSOFT, Inc.
© 2022 COMMSOFT, Inc.