User's Manual

TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TMS-100 90-6R/8.33
Installation & Operating Instructions
TiL 02RE301 Rev B
2-2
2.4 FREQUENCY SELECTION
For radio units shipped after Jan 2012 and equipped with a USB port, please refer to Appendix A
(TiL TDP-90 Programming Software for USB Programmable AM Series Transceivers) for
Installation and Operating Instructions - Document 11RE439).
Determine the number of channels to be used and the specific frequency of each channel for the
particular transceiver being worked on. Prepare a list of channel number and frequencies to be
preprogrammed.
The transceiver is capable of 25 kHz spacing (wide band) and 8.33 kHz spacing (narrow band)
channels. The frequency entered will determine whether the channel will be wide or narrow
mode, based on the Combined 8.33 kHz/25 kHz ICAO Frequency-Channel Pairing Plan. For
example if you program 118.000 into a memory, the transceiver will operate on 118.000 MHz in
wide band mode. If you program 118.005 into a memory, the transceiver will operate on 118.000
MHz in narrow band mode. For the most part, this will be transparent to the user since a
frequency will be issued in the ICAO format and the radio will select wide or narrow mode. Refer
to the chart below.
Table 2.1 COMBINED 8.33/25 kHz ICAO FREQUENCY CHANNEL PAIRING PLAN
Frequency Entered (MHz) Actual Operating Frequency Channel Spacing (kHz)
118.000 118.0000 25
118.005 118.0000 8.33
118.010 118.0083 8.33
118.015 118.0166 8.33
118.025 118.0250 25
118.030 118.0250 8.33
118.035 118.0333 8.33
118.040 118.0416 8.33
118.050 118.0500 25
118.055 118.0500 8.33
118.060 118.0583 8.33
118.065 118.0666 8.33
118.075 118.0750 25
118.080 118.0750 8.33
118.085 118.0833 8.33
118.090 118.0916 8.33
118.100 118.1000 25
118.105 118.1000 8.33
etc etc etc