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Info about antenna´s location

A-10As had two different setups of RWR antennas. Here is a picture (taken and edited from Detail and Scale book) and explanation is below.

A-10A antenna location


A - AN/UPX-25 X-Band radar - all airframes
B - AN/ALR-69 RWR - airframe 78-0582 and subsequent
C - AN/ALR-46 RWR - airframes prior to 78-0582 - box shaped antenna under the tail, removed on 78-0582 and subsequent
D - AN/ALR-46 RWR - airframes prior to 78-0582 - box shaped antenna under the nose, removed on 78-0582 and subsequent
E - AN/ARC-164(V) UHF radio and AN/ARN-118(V) TACAN - all airframes - the lower antenna is mounted in one of two positions: beside the nose wheel door for serials prior to 78-0622 or a few feet further aft for serials 78-0622 and subsequent
F - AN/APX-101 IFF - all airframes
G - VHF/AM radio - all airframes
H - VHF/AM Radio and Homing - all airframes
I - AN/ARN-108 ILS - airframe 77-0259 and subsequent
J - OA-8697A/ARD UHF/ADF Automatic Direction Finder - all airframes