Crossword Genius

The fleet oddly abandoned cadets sent out on a channel (10)

Ross

I believe the answer is:

telecasted

I'm a little stuck... Click here to teach me more about this clue!

'sent out on a channel' is the definition.
'telecasted' can be an answer for 'sent' (telecasting is a kind of sending). I am unsure of the 'out on a channel' bit.

'the fleet oddly abandoned cadets' is the wordplay.
'oddly' indicates alternate letters (letters in odd-numbered positions).
'abandoned' is an anagram indicator (the original order is abandoned).
'the'+'fleet'='thefleet'
The alternate letters of 'thefleet' are 'tele'.
'cadets' with letters rearranged gives 'casted'.
'tele'+'casted'='TELECASTED'

Can you help me to learn more?

I've seen this clue in The Independent.
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