37
The primary radio setup for the team Base
The base operator’s 9030 control head. This would be
mounted in the control/radio room as required
A low band SRM9030 pro-
grammed for multiple in-
stances of 86.3125 MHz
and Selcall
Low Band
The radio complete with power supply and
speaker as it would appear in your base.
It’s important to understand that
the radio used at your base is on
a single low band channel. It
can’t be used for direct comms to
your portables on the hill. You
should always have a ‘local’ high
band radio on the UKSAR
channels, nominally this is used
to monitor channel 62a.
All normal communications with
your team are via the link
channel up to your remote site,
they, however, operate entirely
on the UKSAR team working
channel allocated to your team.
Using special firmware, the low
band radio at your base is able to
effect channel changes to any
channel programmed into the
high band UKSAR radio at your
remote site. Effectively your base
operator is sitting at a control
head connected directly to the
remote site radio. The selcall
sequence sent by the base radio
is received by the low band hill
link and the new firmware
converts it to a MAP27 channel-
change instruction. As far as the
remote high band radio is
concerned it’s directly connected
to a control head that has just
told it to change channel.
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