Grenoble regularly calling wanting Victor’s GPS coordinates (11)

I believe the answer is:

geolocation

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'grenoble regularly calling wanting victor's gps coordinates' is the definition.
I can't judge whether this definition defines the answer.

'grenoble regularly calling wanting victor's' is the wordplay.
'grenoble regularly' becomes 'geol' (I can't justify this - if you can you should give a lot more credence to this answer).
'calling' becomes 'vocation' (a vocation is a calling).
'wanting' suggests deleting specific letters (to want something can mean to lack it or need it).
'victor' becomes 'V' (phonetic alphabet: alpha, bravo, charlie etc.).
'vocation' with 'v' removed is 'ocation'.
'geol'+'ocation'='GEOLOCATION'

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I've seen this clue in The Times.

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