($20 Digital Police Scanner) SDR# UniTrunker RTL-SDR Tutorial [MAY 2013]

See latest video: https://www.youtube.com/watch?v=7VObj8JVLME and article: http://tylerwatt12.com/trunking-20-police-scanner/ $20 temperature stable RTL dongles: http://amzn.to/2mBhKo5 SMA antenna for 800MHz scanners: http://amzn.to/2lRnfQG Fixed trunker plugin for new SDR# http://forums.radioreference.com/attachments/software-defined-radio/45220d1395048067-sdr-trunking-has-been-updated-sdrsharp.trunker.zefiemod.v1.2013.430.1-1179-.zip Extra fine tuning steps: ***There is a new version of unitrunker, a preview build that allows you to skip the second instance of SDR# for the control channel. ***Using Wide FM, precisely set to 9000Hz, AF gain jacked all the way up helped my decode CONSIDERABLY. lower latency for control channel from 100ms to ~50ms or lower (audio breaks up the lower you go) 35ms is the sweet spot for me. lower SDR# resolution to 512 while decoding to save resources increase DSD.exe's priority in Task Manager to Realtime fine tune dsd.exe so it doesn't have to guess encoding, run dsd --help to manually select encoding style I use 'dsd -l -f1 -mc -u 9' and get ZERO error bars