Garmin GTN 650Xi Series Pilot's Manual page 318

Hazard Awareness
SiriusXM WX Product Age
•
Broadcast intervals are defined and controlled by SiriusXM Satellite Radio and
its data vendors
•
Data that does not refresh within its defined interval is considered expired and
removed from the display
•
Product age may not reflect the time difference between when the data was
assembled by SiriusXM and the current GPS time. It is an indication of the time
elapsed from when it is received by GTN
•
Timestamp collapses when all WX products are current
Connext WX Product Age
•
Product age is based on time difference between when the data was assembled
by Connext and the current GPS time
•
Product expiration is based on intervals defined for each product
•
Pilot controls weather product requests
•
Refresh intervals are defined and controlled by Connext Satellite Radio services
and its data vendors
•
Data is removed upon expiration, ensuring that displayed data is always
consistent with what is currently being provided by Connext Satellite Radio
services
FIS-B weather product update and transmission intervals are published in the
SBS Description Document associated with TSO-C157b. This information is
available electronically at the FAA's Regulatory and Guidance Library:
https://rgl.faa.gov/
5-10 Pilot's Guide 190-02327-03 Rev. C