During the October online SARTS meeting, Chew, 9V1YP, gave a very interesting presentation about the recent two weather balloon experiments.
![balloon](https://www.sarts.org.sg/wp/wp-content/uploads/2021/10/balloon-825x510.png)
During the October online SARTS meeting, Chew, 9V1YP, gave a very interesting presentation about the recent two weather balloon experiments.