> It appears that their radio stack is 2 digits after the decimal
> place.  I wonder how this works in real life.  Maybe Alex can
> enlighten us?

Some units report all three digits, but designers usually want to save
panel space and omit the unnecessary digit.  Thus, for example,
the ground control frequency for KMYF is 118.225 MHz but the radio
actually displays "118.22" (a notam recently changed it from 121.9).
The radio in 91R, the only one I've needed to use 25kHz spacing on,
consistently rounds down, so that another frequency might be "119.77".

Few radios omit the leading unnecessary digit "1", for some reason,
although it is frequently dropped during casual on-frequency chatter.
Thus, "one one eight decimal two two five" is often incorrectly
stated by lazy pilots as "eighteen twenty two" during readbacks.

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