TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TDFM-7300 Installation & Operating Instructions
TiL 08RE389 Rev A Issue 4
3-10
RESULTS
If the installed system passes all of the applicable EMI tests, then no further action is
required. If interference is observed then the interference must be assessed against the
appropriate standards of airworthiness for the system in question. For example it is
permissible for a VFR certified GPS to lose navigation capability while the TDFM-7300 unit
is transmitting, providing that it recovers properly and promptly, but it is not permissible for
an IFR Approach certified GPS to be affected in the same way. A complete discussion of all
the standards of airworthiness to be applied in assessing EMI effects is beyond the scope of
this document.
PROCEDURE
A.
Operate the TDFM-7300 transmitter on the following frequency for at least 20 seconds.
Observe the GPS for any degradation in satellite status or availability or flags.
FREQUENCIES
GPS #1
GPS #2
TDFM-7300
PASS FAIL PASS FAIL
143.2125 MHz
143.2250 MHz
157.5375 MHz
157.5500 MHz
512.0000 MHz
NOTES: