Thanks for the clarification, Joe.

George J Molnar, CEM, CHPP
@GJMolnar | KF2T | AFA9GM

> On Feb 26, 2018, at 3:47 PM, Joe Taylor <j...@princeton.edu> wrote:
> 
>> On 2/26/2018 3:20 PM, George J Molnar wrote:
>> Any chance for 6-place grid squares at VHF & higher?
> 
> Of course you can send a 6-character locator as part of a free text message.
> 
> But as a JT-style structured message??
> 
> Think about it this way: A 4-character Maidenhead locator fits in a 15-bit 
> field.  A 6-character locator must allow for AA to RR as the final two 
> characters.  That's another 18 x 18 = 324 possibilities, or another 9 bits.  
> All 72 bits in the JT structured messages are "spoken for".  We don't have 9 
> unassigned and available bits.
> 
>    -- Joe, K1JT
> 
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