. They have a
multicolor LED sign for listing the train destination. For me at least
the signs are unreadable when I try to read them from another moving
train and hard to read from a platform when the structure vibrates.
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Ryan Szekeres
KB9TQN
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On Tue, Sep 18, 2012 at 2:46 PM, Tom Miller tmil...@skylinenet.net wrote:
That's because the signs are scanned/multiplexed displays. It is not 60/120
Hz flicker.
Tom
Something new to research. Thanks!
--
Ryan Szekeres
KB9TQN
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