16-8 Operation with the GOES Radio XL™ Series
PC Interface View Built In Display Screen
P - Preamble:
GOES Preamble [Short]
At the beginning of each transmission, a preamble signal is sent to the satellite. The preamble is a
carrier signal with no data modulation. This allows the satellite to lock on the signal easier. A
short preamble is the default. A long preamble is the other option. This option is only valid for
100 baud transmissions. On 300 and 1200 baud transmissions the preamble is always short. The
table below shows the time difference between using a short and long preamble.
Preamble Type Short Long
Total Preamble Time 0.98 seconds 7.3 seconds
PC Interface View Built In Display Screen
S - Self Timed Options
Self Timed Options ->
This option opens up the menu structure for configuring all the self timed transmission options.
This will be described in detail in a following sections titled “Self Timed Options”.
PC Interface View Built In Display Screen
R - Random Options
Random Options ->
This option opens up the menu structure for configuring all the random transmission options.
This will be described in detail in a following sections titled “Random Options”.
PC Interface View Built In Display Screen
D - Diagnostic Menu Not Available In Built In Menu
The GOES diagnostic menu is only available using the PC menu interface. Using this option
opens up the menu structure for viewing general radio information and running some tests on the
radio. This is also dependant on the radio type. This will be described in detail in following
sections titled “GOES Radio Diagnostics”.
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