SARTS talk by Klaus, 9V1KG, during the Feb 2023 SARTS meeting.
Author: 9V1KG
Klaus 9V1KG - DU1KG - AJ6HA
SARTS Rig Approval Survey
BEAR-7 Successfully launched and recovered
Launch: Sunday, Nov 13, 2022, 6:59 SGT
Flight Duration: 3 h 52 min
Height: >36 km
BEAR-6 Successfully Launched
On Sunday, Aug 28th, early in the morning the 6th Amateur Radio Weather Balloon was successfully launched from Singapore. Balloon Experiments with Amateur Radio (BEAR-6) with the call sign 9V1UP-11 lifted off at 6:50 SGT.
Payload DRA818V with APRS telemetry – location, altitude, temperature and pressure, on 144.39 MHz and with SSTV (Robot 36) on 145.55 MHz was assembled by 9V1LW. The BEAR-6 team members were Lih Wei 9V1LW, Fu Hang, 9V1FH, Choong, 9V1CV and Chew, 9V1YP.
It went to a height above 32 km and speed exceeded 90 km/h a one point.The flight ended with the loss of signal at 10:33.
Pulau Hantu IOTA Contest 2022
BEAR-5 Latest Update
Balloon Experiment with Amateur Radio BEAR-5 is expected to be airborne on Sunday, 12th Jun 2022 from around 06:45 SGT. CAAS, RSAF and IMDA have approved our application to launch. Payload DRA818V is assembled by 9V1LW and 9V1CV.
APRS on 144.390 MHz, will transmit telemetry: location, altitude, temperature and pressure.
On reaching higher altitude, every 5 minutes SSTV on 145.500 MHz, transmitting a virtual postcard of the balloon.
BEAR-4 Report
In our April 2022 SARTS meeting Lih Wei, 9V1LW, our payload specialist, gave an interesting report of the last balloon experiment (BEAR 4) and an outlook to BEAR 5.
CQ WPX Contest SSB 2022
Please don’t forget: From March 26th, 00:00 UTC to March 27th, 23:59 UTC, the CQ WPX contest takes place. It’s an ideal opportunity to test your equipment and antennas. The contest draws thousands of entries from around the world. Last year we had a record participation from Singapore.
The latest rules can be found here.
9V1UP – 4th Balloon Start from SG
Mar 5, 2022 at 23:15 SGT, BEAR-4 was launched from Singapore.
It carried an APRS beacon on 144.390 MHz, and also sent an SSTV image (ROBOT36 format) on 145.500 MHz in 5 min intervals.
SSTV image 
Launch
E-mail forwarding for SARTS Members
To all SARTS members:
As a bonus of your SARTS membership you can apply for the use of an e-mail forwarding address like
9v1__@sarts.org.sg
Simply send a short e-mail to Harish, 9V1HP, under 9v1hp at sarts dot org dot sg with the subject: “Email forwarding 9V1..”.
Please state your call sign (9v1..) and the email address you want your callsign address to be forwarded to.
Precondition: active paid SARTS membership.
73 Klaus 9v1kg at sarts dot org dot sg