Manual

This manual applies to the "fft-multi-decoder_fixed_hackrf.grc" flowgraph

graphs

freq and volume sliders

freq_tune = frequency of SDR hardware volumeLR = volume for left and right channel volumeC = volume for center channel freq1..9 = frequency of all channels

scopes

spectrum of input signal

spectrum of filtered input signal for single channel (first 6 channels) spectrum of signal after FM demodulation (first 6 channels) constellation after PSK decoder (first 6 channels)

gain and loop_bw sliders

intermediate frequency-, baseband- and radio frequency gain of SDR hardware

loop_bw = loop bandwidth of all PSK decoders

RDS Table

table

hint: hover over text to get more details e.g. time -> date, RT -> RT+ click LCR buttons to hear this channel on left/right/center audio

buttons

code.interact

launches interactive python console (inside "rds_parser_table_qt_Widget" instance) in the terminal window GRC was launched from parser object accessible via "self.tableobj" variable
can only be used, if GRC was launched from the terminal
pauses execution of parser
exit shell and resume execution with CTRL-D or "exit()"

show IH data

display InHouse (groupType 6A) data of all stations

save

save current state of parser to data directory

print profile

print profiler info (currently disabled)

searchMode

switch station_search block on/off

decoder info

red/green : RDS decoder sync status
overline/underline: symbol combiner status

TMC list

event/location filters

enter = apply filter

event list

scroll to bottom to follow new events

TMC map

open google_maps.html from /data in webbrowser

click on background = reload/update markers (closes all info windows)
click on marker = open info window
- hover over text in info window to get more details (time-> date, event string -> raw MGM data)
t-key = toggle (google) traffic layer on/off
red lines from tmc event markers show extent of event

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