(TI-59) Winds Aloft

[KeithB]

(08-05-2020 06:47 AM)StephenG1CMZ Wrote:  Very interesting, thank you.
I am curious as to whether the practise of tracking the balloon azimuth optically to determine position (and hence wind speed) is still commonly used. (As opposed to using GPS and a radio link).

On the Tonopah Test Range they use GPS and radio.