>>> The info I have is that, as of a week ago, there are still in the
>>> vicinity of 280,000 services still on CDMA. That's services that are
>>> actively
>>
>> That's a reasonably close estimate.
>>
>>> registering with a base station, not just idle accounts.
>>
>> Billing system doesnt know whether a service is "registering with a
>> base".
>
> The info I got wasn't from the billing system

Then the info youve got is a bit bodge - I'd suggest that only 60-70% of
active services would be registering on the HLR.

>>> While some are undoubtedly handsets, a large number are believed to be
>>> remote telemetry units in use by various utilities, railways, mines and
>>> other companies, and won't be quite as easy to upgrade as a regular
>>> voice handset.
>>
>> Nope. Businesses went early and almost all of those are migrated.
>
> Bzzzt. Wrong.

Seen it happen. Know the numbers - not many business services left.