T15 is for band 3 in the 2nd RF module.
It appears that the metal sub-chassis parts are drilled for either type of variable capacitor.
Stamped with part number 51284. I don't have a parts list for the early radios that give anything other than
resistors and capacitors.
A diagram identifies this coil as "B3-S4"
A to B: 0.29 ohm C to D: 29.70
There does not appear to be any pin numbers or key on the square coils so I tried to use the two terminals on the long dimension with the stamped part number between as 'A' and 'B' with the other two being 'C' and 'D'. I ran into coils on a different radio that broke that plan. I went with 'Winding 1' and 'Winding 2'.
Stamped with part number '51B572' or '51 572'.
Winding 1: 1.04 ohm Winding 2: 32.8
Page: /T15_RF2/Index_t15.shtml
Last modified: Friday, 24 Apr 2026