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Saturday, September 12, 2009

How To Calculate Amateur Radio Simplex Channel


The simplex channel between V16 to V47 is using 145MHz before the decimal point. So we just need to find the MHz decimal point.

12.5 with the multiplication formula Channel.

Example 1:

V16 : 12.5 x 16 = 200
So the frequency of V16 is 145.2000

Example 2:

V27 : 12.5 x 27 = 337.5
The frequency for V27 is 145.33752.



Frequency between V48 to V63 is using 146MHz before the decimal point. Then,

12.5 V with the multiplication formula minus 200

Example 1:

V50 : 12.5 x 50 = 625 - 200 = 425
The frequency for V50 is 146.4250

Example 2:

V63 12.5 x 63 = 787.5 - 200 = 587.5
So the frequency for V63 is 146.5875

P/S: After the decimal point, there are 4 numbers. If the result is 3 numbers, you need to plus 0 to fulfill the 4 numbers.

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