PA-22 TRI-PACER PARTS CATALOG 22 15 18 28 21 22 15 11 12 23 33 8 16 31 32 9 38 29 27 36 37 17 10 19 24 6 35 42 39 3 40 1 3 41 34 2 30 7 20 3 4 3 5 Figure 57. Antenna System Installation (Serial Nos. 22-1 to 22-7642 inclusive) 180