On 23/12/2017 14:43, Bernard Burton wrote:
Ship trails are being produced widely over the Irish Sea and SW approaches
to the UK.
An image from the 1029z metopA overpass can be found at:
http://www.woksat.info/etczl23/zl23-1029-i-uk.html
The fun starts when you find you can track deeply submerged submarines,
via FFT analysis of satellite radar altimetry data