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From: Jan Panteltje <alien@comet.invalid>
Newsgroups: talk.politics.misc,alt.survival
Subject: Re: ANOTHER Boeing Incident - Dozens Injured
Date: Sat, 16 Mar 2024 20:17:59 GMT
Message-ID: <ut4upn$1eumg$1@solani.org>
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On a sunny day (16 Mar 2024 17:23:28 GMT) it happened rbowman
<bowman@montana.com> wrote in <l5m2sgFt2dkU1@mid.individual.net>:

>On Sat, 16 Mar 2024 06:51:44 GMT, Jan Panteltje wrote:
>
>>  https://panteltje.nl/pub/
>rtl_sdr_dump1090_via_FDS132_matrix_display_Raspberry_Pi_driver_IMG_4149.JPG
>> air traffic.. Ryanair flight 147Y, altitude 11575 meter, speed 733 km,
>> plus current GPS position.
>> Just an RTL-SDR USB stick as receiver.
>
>Nice. I've got a RTL-SDR dongle and sometimes amuse myself looking at 
>what's coming and going from the airport. The Pi goes out to look up the 
>airline/flight info from the identifier?

It worked over the LAN, the matrix display driver Pi is connected 
to the LAN , there are several RTL-SDR sticks in several Raspberries.

Dump 1090 I use are receiver plus some C code I wrote
raspberrypi: ~ # cat /usr/local/sbin_pi_95/temperature_to_matrix_display
This sends temperature to the matrix display, I use netcat and UDP here:
while [ 1 ] ; do  cat /tmp/temperature | nice -n 19 netcat -u -q 1  192.168.178.71 1111 ; sleep 60; done

this for planes to xgpspc server:
#echo "Usage: send_planes_to_xgpspc device_number"
#echo "default device_number is 0"
if [ "$1" == "" ]
 then
 let device_number=0
 else
 device_number="$1"
 fi
#echo "device_number=$device_number"
dump1090 --device-index $device_number --metric --interactive | \
grep -v  -e ---- -e Flight | \
awk '// { printf "%s %s %sm %skm/h %s %s\n", $1, $2, $3, $4, $5, $6}' | \
tee /dev/stderr | \
netcat -u 192.168.178.73 1079

Bit of awk :-) and then netcat again

There is more to it...
:-)