The most common and most likely answer to this crossword clue is the 7 letter word DEPLOYS
I've seen this crossword clue in The Daily Telegraph
D
E
P
L
O
Y
S
Buddy explains!

The straight part
We know that "stations" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case stations = deploys.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DEPLOYS mean?
DEPLOYS verb- To prepare and arrange (usually military unit or units) for use.
- To unfold, open, or otherwise become ready for use.
- To install, test and implement a computer system or application.