D-SAT was launched on June 23th, 2017 into a 500 km sun-synchronous orbit; before performing the final decommissioning maneuver it will host a few communication experiments in collaboration with an Italian university, high-level schools and a local hamradio community.
For more information on D-SAT, you can visit the mission’s website https://www.dsat.space. There is also a dedicated page for radiohams https://www.dsat.space/radiohams.
During this week they performed a SatAlert experiment that consist in the transmission of a “dummy” alert of a debris reentry.
Sae message saved to file Sae_msg_rcvd/sae_msg_rcvd_EPOCH_1500559064.sae
Message_type = 4
Protocol_version = 1
Print SAE MAMES
MessageID = 7
Alert ProviderId = 1
Notification Area Latitude, Nord-Sud = 0
Notification Area Latitude, deg = 45
Notification Area Latitude, min. = 37
Notification Area Latitude, sec. = 36
Notification Area Longitude, East-West = 0
Notification Area Longitude, deg = 36
Notification Area Longitude, min = 140
Notification Area Longitude, sec = 20
Notification Area Longitude, radius = 0
Message Priority = 15
NHT 1 = 4
Issuer = 3
Category = 0
NHT 2 = 1
Message Validity starts from 17/7/17 at 19:39:19
Message Validity ends at = 17/7/17 19:42:39
NHT 3 = 3
Language Id = 43
Message Length = 321
The ALERT MESSAGE is:
AT 2:54 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM OVER SOUTH CENTRAL ALPINE COUNTY...OR ABOUT 18 MILES SOUTHEAST OF
KIRKWOOD...MOVING SOUTHWEST AT 5 MPH. HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS STORM
… and finally I could decode a nice image :-)
a stunning view of the Aegean Sea, Turkey on the bottom right corner, Crete in the bottom left and the Greek peninsula above