Monday 20 June 2011

8.33kHz spacing on airband

Following on from a discussion on Fighter Control, I thought I'd post up something from Dick Ware that I received in my email a while back.  I take no credit for this, but its a useful thing to print out and have near your scanner for those pesky 8.33kHz steps on VHF civil air:

VHF AIRBAND 8.33KCS FREQUENCY SPACING TABLE
===========================================

CHANNEL SPOKEN VERSUS ACTUAL FREQUENCY OF RADIO
===============================================
Freq       Frequency
----       ---------
xxx.x      xxx.x0000 25kHz spacing
xxx.x2     xxx.x2500 25kHz spacing
xxx.x5     xxx.x5000 25kHz spacing
xxx.x7     xxx.x7500 25kHz spacing

Channel    Frequency
-------    ---------

xxx.x05    xxx.x0000 8.33kHz spacing
xxx.x10    xxx.x0833 8.33kHz spacing
xxx.x15    xxx.x1666 8.33kHz spacing

xxx.x30    xxx.x2500 8.33kHz spacing
xxx.x35    xxx.x3333 8.33kHz spacing
xxx.x40    xxx.x4166 8.33kHz spacing

xxx.x55    xxx.x5000 8.33kHz spacing
xxx.x60    xxx.x5833 8.33kHz spacing
xxx.x65    xxx.x6666 8.33kHz spacing

xxx.x80    xxx.x7500 8.33kHz spacing
xxx.x85    xxx.x8333 8.33kHz spacing
xxx.x90    xxx.x9166 8.33kHz spacing

Examples of how it works:
-------------------------
Channel 118.885 on R/T = Frequency 118.88333 on radio
Channel 132.205 on R/T = Frequency 132.20000 on radio
Channel 132.755 on R/T = Frequency 132.75000 on radio
Channel 132.840 on R/T = Frequency 132.84166 on radio
Channel 132.860 on R/T = Frequency 132.85833 on radio
Channel 133.005 on R/T = Frequency 133.00000 on radio
Channel 133.480 on R/T = Frequency 133.47500 on radio
Channel 133.635 on R/T = Frequency 133.63333 on radio

Be legal. Be discrete
E&OE
Dick Ware
19FEB06

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