New blog post: Decoding the Roman Space Telescope. On August 31 I observed the Roman telescope S-band telemetry with the Allen Telescope Array some time after launch. This post is a summary of the observation, including the telemetry decode and a preliminary analysis.
![Some log messages extracted from the telemetry:
/mnt/mmc0/logs/compton/inv_sts/inv_sts-1763132730.mtc.gz
/mnt/mmc0/logs/compton/inv_eps/inv_eps-1762763341.mtc.gz
/mnt/mmc0/logs/compton/inv_cdh_spoc_misc/inv_cdh_spoc_misc-1762770516.mtc.gz
E_CMD_HIST: [ OK ] EPS_SPOC_DIO_ST_OCP_EN ENABLE_STATE=[0, Off]
E_CMD_HIST: [ OK ] CDH_SPOC_IO_GPIO_STATE_SET IDX=[109] STATE=[0, E_Low]
E_CMD_HIST: [ OK ] FJ_ABORT, Proc: CommsFallback
E_INFO: set_st_power_state: End sequence
E_CMD_HIST: [ OK ] MISC_SYSTEM, STRING: echo 'WAIT(2)' >> /tmp/BackorbDownload.fj
E_CMD_HIST: [ OK ] MISC_SYSTEM, STRING: sed -i '$d' /tmp/BackorbDownload.fj
E_CMD_HIST: [ OK ] MISC_SYSTEM, STRING: rm /tmp/*_files_list.txt
E_CMD_HIST: [ OK ] MISC_CONFIG_PARSE, String: tlm_master.set_apid_freq(620, 0.05);
E_CMD_HIST: [ OK ] FJ_START_ABS, Time: 1763146080.000000, File: CommsFallback, Args:
E_CMD_HIST: [ OK ] FJ_START_REL, Seconds: 3600.000000, File: DisableComponents, Args: STA
E_CMD_HIST: [ OK ] FJ_START_REL, Seconds: 0.000000, File: BackorbInit, Args:
E_CMD_HIST: [ OK ] MISC_SYSTEM, STRING: echo PROC BackorbDownload > /tmp/BackorbDownload.fj
E_CMD_HIST: [ OK ] MISC_SYSTEM, STRING: echo \'CMD "MISC_SYSTEM" ("gzip -c -f -k /tmp/BackorbDownload.fj > /tmp/BackorbDownload.gz")\' >> /tmp/BackorbDownload.fj
E_WARNING: LoadProc (File: FJExecute.cpp Line: 1205): Procedure found in working directory, executing: /tmp/BackorbDownload.fj
E_INFO: SetThermostatMode: Setting thermostat 'EESA' to mode ClosedLoop
E_INFO: SetThermostatSetpointsClosedLoop: new setpoints for ON -35.000000 deg C. OFF -30.000000 deg C.](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:guktqfnfjtqfbskpe4r3qq5s/bafkreibmkkiup3dfvtfgv2cyxzdck26kyukwf7o6ivuzo2fmiztdbql6na)
