Bike computers and airport x-rays

Okay, don´t laugh, but why on earth would three cycle computers (two wireless and one wired) not work at all after flying as cargo with a whole bunch of other stuff?
(And yes, I checked the batteries, and yes, they did work before.)
Are the x-rays in the cargo checks strong enough to nuke them?
Anyone use the Sigma 1606L wireless?
As soon as I connect it to the mount the speed "0,0" flashes, until I remove it or it turns itself off.
(And yes, I checked the batteries, and yes, they did work before.)
Are the x-rays in the cargo checks strong enough to nuke them?
Anyone use the Sigma 1606L wireless?
As soon as I connect it to the mount the speed "0,0" flashes, until I remove it or it turns itself off.
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2010 Specialized Tricross Sport (commuter)
2012 Boardman Road Team
Thanks.
2010 Specialized Tricross Sport (commuter)
2012 Boardman Road Team