ype/docker-rtlsdr-multimon is a docker container for multimon-ng. Multimon-ng is a tool for decoding the following digital transmission modes:
- POCSAG512, POCSAG1200, POCSAG2400
- FLEX
- EAS
- UFSK1200, CLIPFSK, AFSK1200, AFSK2400, AFSK2400_2, AFSK2400_3
- HAPN4800
- FSK9600
- DTMF
- ZVEI1, ZVEI2, ZVEI3, DZVEI, PZVEI
- EEA, EIA, CCIR
- MORSE, CW
see EliasOenal/multimon-ng for multimon-ng repository
To build your own version do the follow:
git clone https://github.com/ype/docker-rtlsdr-multimon
cd docker-rtlsdr-multimon
docker build -t name_you_want/for_your_docker_image ./Dockerfile
docker pull envoi/rtlsdr-multimon
docker run -it --rm --name rtlsdr-multimon --device=/dev/bus/usb envoi/rtlsdr-multimon multimon-ng -h
Launch container with bash console
docker run -it --name rtlsdr-multimon --device=/dev/bus/usb envoi/rtlsdr-multimon /bin/bash
## opt: remove container on exit
### docker run --rm -it --name rtlsdr-multimon --device=/dev/bus/usb envoi/rtlsdr-multimon /bin/bash
## opt: add -p host_port:80 or uncomment command show below to enable viewing of logs using lighttpd
### docker run -it -p 8080:80 --name rtlsdr-multimon --device=/dev/bus/usb envoi/rtlsdr-multimon /bin/bash
Here are some example commands you could run if you feel like it.
FREQ="$(echo -e '153.35M')"
rtl_fm -f "$FREQ" -s 22050 | ...
### OR
#### FREQ_RANGE="$(echo -e '153.0M:154.0M:12k')"
### rtl_fm -f "$FREQ_RANGE" -s 22050 | ...
# the *M* following the below value of 153.35 denotes Megahertz [MHz]
FREQ="153.35M"
DATETIMESTAMP="$(date '+%F_%H%M%S')"
rtl_fm -f "$FREQ" -s 22050 2>/var/www/pager/"$DATETIMESTAMP"_rtl_fm-multimon_stderr.log \
| multimon-ng -t raw -a POCSAG512 -a POCSAG1200 -a POCSAG2400 -a FLEX -f alpha /dev/stdin \
1>>/var/www/pager/"$DATETIMESTAMP"_POCSAG-512_1200_2400-FLEX_"$FREQ".txt \
2>>/var/www/pager/"$DATETIMESTAMP"_rtl_fm-multimon_stderr.log &
From inside your container you can simply use the tail or more commands to view multimon's output
To watch the last 200 lines of output from multimon in realtime, you can use:
tail -200f /var/www/pager/"$DATETIMESTAMP"_POCSAG-512_1200_2400-FLEX_"$FREQ".txt
Or if you feel like paging through all the output generated thus far (defn paging is a bash term for moving through text file one line at a time using a 'terminal pager')
more /var/www/pager/"$DATETIMESTAMP"_POCSAG-512_1200_2400-FLEX_"$FREQ".txt
view from browser using lighttpd to serve http://host_ip:8080/pager/"$DATETIMESTAMP"POCSAG-512_1200_2400-FLEX"$FREQ".txt note: host_ip is the machine running docker
/etc/init.d/lighttpd restart
navigate to http://host_ip:8080/pager/"$DATETIMESTAMP"POCSAG-512_1200_2400-FLEX"$FREQ".txt in your browser of choice
do some curl magic and watch the data pour in remotely
while true; do
clear;
curl -sL 'http://192.168.0.21:8080/pager/"$DATETIMESTAMP"_POCSAG-512_1200_2400-FLEX_"$FREQ".txt' \
| tail -15f; # `-15f` tells `tail` to show the last 15 lines from output
sleep 30;
done
For further details about the image in this repo, see ype/docker-rtlsdr-base, which is the base docker image used for docker-rtlsdr-dump1090.
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