howtos:sdr
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| * [[https://github.com/EliasOenal/multimon-ng|multimon-ng]] | * [[https://github.com/EliasOenal/multimon-ng|multimon-ng]] | ||
| * [[https://github.com/merbanan/rtl_433|RTL 433]] | * [[https://github.com/merbanan/rtl_433|RTL 433]] | ||
| + | * [[https://www.ebay.co.uk/itm/203134008519|RTL SDR device on ebay]] - This is the model I use, but pretty much any RTL2832 chip device should work out of the box with Linux (performance may vary based on the the quality of the device). | ||
| ===== Command Line ===== | ===== Command Line ===== | ||
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| multimon-ng --timestamp -t raw -a POCSAG512 -a POCSAG1200 -a POCSAG2400 -f alpha - | multimon-ng --timestamp -t raw -a POCSAG512 -a POCSAG1200 -a POCSAG2400 -f alpha - | ||
| </code> | </code> | ||
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| + | To generate the heatmaps of what's happening in the radio spectrum in your area, use the ''rtl_power'' (in the rtl-sdr debian package) with [[https://github.com/keenerd/rtl-sdr-misc/blob/master/heatmap/heatmap.py|heatmap.py]]. For more information see http://kmkeen.com/rtl-power/ | ||
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| + | Run this for 24 hours (you can also just try an hour or so and repeat to test different aerials): | ||
| + | <code bash> | ||
| + | rtl_power -f 24M:1700M:1M -i 100 -g 50 -e 24h data.csv | ||
| + | python heatmap.py data.csv | ||
| + | </code> | ||
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howtos/sdr.1623087400.txt.gz ยท Last modified: 2021/06/07 18:36 by admin
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