The numbers following the letter represent the position on the arm: band 2, sub-band 1, sub- sub-band 3.
In the example, the location is on band 2, sub-band 1, sub- sub-band 3. The numbers following the letter give the position on the arm.
The numbers following the letter give the position on the arm. In the example, the location is on band 2, sub-band 1, sub- sub-band 3.
The numbers following the letter give the position on the arm. In the example, the location is on band 2, sub-band 1, sub- sub-band 3.