Pilot Balloon on a Stand (Hot Air Balloon Festival)
A small pilot balloon, the pibal a met observer releases to read the low level wind, held on a weighted stand with its filling neck and tail string.
- 格式
- GLB
- 文件大小
- 15 KB
- 三角面
- 268
- 许可
- CC0 1.0
A small pilot balloon, the pibal a met observer releases to read the low level wind, held on a weighted stand with its filling neck and tail string.