The Diplomat mag is suggesting the Philippines has no over the horizon radar capability so against moving targets they will only be able to shoot a few dozen km or so.
Would they be correct?
Can the Philippines’ BrahMos Missiles Really Deter China?
Technological limitations on Manila’s end will limit the missile’s range – and its deterrent factor.
"..... According to Naval Tactics 101, however, one can shoot only as far and as well as your sensors are able to cue you to, especially with regard to moving targets like warships that need to be pinpointed and constantly tracked. A missile system’s sales-brochure range of hundreds of klicks is for nought when your sensors can only detect and track targets at distances much less than of that.
This is exactly the issue that Manila will face, as the BrahMos launcher’s own radar can only provide coverage merely dozens of kilometers out because of the Earth’s curvature. The AFP lacks over-the-horizon radar that could mitigate the problem, but this lacuna is understandable given that such a capability is accessible usually to larger military powers. ....."
Technological limitations on Manila’s end will limit the missile’s range – and its deterrent factor.
thediplomat.com
if this is actually the case then you guys might be able to get the Filipinos to make some more purchases. planes, radars, electronic equipment, ships, .... and what not.