Sean, despite holding the title of 'the worlds smartest radio tech', is only slightly wrong for a change...
The new bandplan for 800 would be 12.5 KHz steps, with deviation limited to 20 KHz (really the emission mask more or less) rather than the 25 KHz mask now allowed between 851-854.75 MHz. The NPSPAC band gets moved down from 866-869 to the 851-854 range, 851-854 MHz licensees get moved up starting above 854. Border regions, like Region 5 where we are, are a mystery as far as how they will fit all existing licensees in and still stay within treaty limits. Currently, region 5 866-869 channels will only have 1.5 (half the current allocation) MHz moved down to 851, leaving the other 1.5 MHz right in the middle of the new Nextel band. Its not at all clear how this will be better for local public safety systems since the entire 866-869 band is used by US licensees...
So the good news is apparently no new scanners will be required since its just a shift within the band and most scanners can handle 12.5 Khz steps. What isn't clear is if scanners that only require entry of control channels or have pre-planned 'plans' in them will still work...
Spencer Smith
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