186
Status updating
The transmission, automatically or manually, of the data denoting the
mobile’s current status.
Call stacking
The storage of calls from mobiles and their presentation in call order
to the despatcher. Arrangements are usually made to raise urgent calls
to the top of the stack with an enhanced display.
15.2 Control of base stations
Where adequate radio signals over the desired service area of the
system can be provided by one base station sited at the control point,
it can be easily controlled, either directly from the front panel or over
a multi-way cable.
In many instances, to obtain adequate coverage, the base station
must be sited on high ground remote from the control point. Then,
either a land line or a radio link, both of which