the crystal is 75.630
the receiver in the car is a synthesized with a dial with 1-6 and 0-9
i set it at 6 and 3 and it doesent work
It probably doesn't work because 75.630 is Channel 72 not 63.
75.410 MHz --- Chan. 61
75.430 MHz --- Chan. 62
75.450 MHz --- Chan. 63
75.470 MHz --- Chan. 64
75.490 MHz --- Chan. 65
75.510 MHz --- Chan. 66
75.530 MHz --- Chan. 67
75.550 MHz --- Chan. 68
75.570 MHz --- Chan. 69
75.590 MHz --- Chan. 70
75.610 MHz --- Chan. 71
75.630 MHz --- Chan. 72
75.650 MHz --- Chan. 73
75.670 MHz --- Chan. 74
75.690 MHz --- Chan. 75
75.710 MHz --- Chan. 76
75.730 MHz --- Chan. 77
75.750 MHz --- Chan. 78
75.770 MHz --- Chan. 79
75.790 MHz --- Chan. 80
75.810 MHz --- Chan. 81
75.830 MHz --- Chan. 82
75.850 MHz --- Chan. 83
75.870 MHz --- Chan. 84
75.890 MHz --- Chan. 85
75.910 MHz --- Chan. 86
75.930 MHz --- Chan. 87
75.950 MHz --- Chan. 88
75.970 MHz --- Chan. 89
75.990 MHz --- Chan. 90