Time to let the cat out of the bag! @tylerni7 and @michaelnute have been writing code to detect missile launches like tonight's North Korean ICBM test in GPS data. Missiles make ionospheric disturbances that GPS records. The yellow ripple is the ionospheric disturbance. https://t.co/knJy7dApPv

Time to let the cat out of the bag!

and

have been writing code to detect missile launches like tonight's North Korean ICBM test in GPS data. Missiles make ionospheric disturbances that GPS records. The yellow ripple is the ionospheric disturbance.

3:52 AM · Nov 18, 2022