BBC World Service as a proper noun?

[AngledLuffa]

I believe world service should both be NNP. Maybe radio as well in this context

# newdoc id = n01072
# sent_id = n01072010
# text = He then spent four years with BBC World Service radio at Bush House.
7       BBC     BBC     PROPN   NNP     Abbr=Yes|Number=Sing    9       compound        9:compound      _
8       World   world   NOUN    NN      Number=Sing     9       compound        9:compound      _
9       Service service NOUN    NN      Number=Sing     10      compound        10:compound     _
10      radio   radio   NOUN    NN      Number=Sing     3       obl     3:obl:with      _
11      at      at      ADP     IN      _       13      case    13:case _
12      Bush    Bush    PROPN   NNP     Number=Sing     13      compound        13:compound     _
13      House   House   PROPN   NNP     Number=Sing     3       obl     3:obl:at        SpaceAfter=No
14      .       .       PUNCT   .       _       3       punct   3:punct _