ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev G
3-26
FFS Copyright © 2016 All rights reserved.
3.5.2.9 “rxstatus” Command
This command displays detailed status and other information about the ADS-B data being
received by the FDL-978 Series. Example output is displayed below:
The output displayed contains an initial section with general count information (current UTC
second, receiver loop count, and receiver word count). These counts will increment at varying
rates when the receiver is operating correctly.
The next rxstatus output section displays general message count information for ground Uplink,
basic, and long message types. The displayed counts include total messages received (Total),
messages received in the last second (LstSec) and messages with various counts of corrected
Reed-Solomon errors (RSErr:x).
The third rxstatus section displays detailed traffic information. This information includes total
number of traffic targets being tracked and then detailed information about the ownship data
being received and the 10 closest traffic targets. The detailed traffic information includes
address (Addr), address type (Typ), Call Sign, Latitude, Longitude, altitude in feet (Alt), speed in
knots (Spd), air ground status (AG), message count (msgs), signal strength indication in dBm
(SSI), and traffic time out in seconds (TO).
Traffic targets will time out being tracked if no ADS-B message is received from
the target for more than twenty five seconds.
The fourth rxstatus section displays detailed ground station information. This information
includes total number of ground stations being received and detailed information about the 10
closest ground stations. The detailed ground station information includes Latitude, Longitude,
Site ID, time slot of last transmission, message count (Msgs), signal strength indication (SSI) in
dbm, and ground station time out in seconds (TO).
