QST: Blog Of K3RRR

($20 Digital Police Scanner) SDR# UniTrunker RTL-SDR Tutorial

See new video: https://www.youtube.com/watch?v=qGMXG8e70-M Extra fine tuning steps: ***There is a new version of unitrunker, a preview build that allows you …

January 30, 2014/16 Comments/by

16 replies

David Lindo says:
January 31, 2014 at 5:58 AM

Reply
Isaac Garcia says:
January 31, 2014 at 5:55 AM

Reply
David Lindo says:
January 31, 2014 at 5:18 AM

Reply
BetaTestSpot says:
January 31, 2014 at 4:48 AM

Reply
Tyler Watthanaphand says:
January 31, 2014 at 3:52 AM

Reply
alphasxsignal says:
January 31, 2014 at 2:52 AM

I will just go buy a trunking scanner, they are cheap today.
Reply
TimmyD says:
January 31, 2014 at 2:25 AM

@jeff5263 that’s Daft Punk to you 🙂 73
Reply
itsbobbyagain says:
January 31, 2014 at 1:30 AM

Great tutorial, thanks for posting. I’ve got a dual receiver system working
successfully, however I have a question about talkgroups. How do you
monitor a single talkgroup?
Reply
Jeff Flowers says:
January 31, 2014 at 12:35 AM

The instructions are great, BUT… I’m halfway through the video and that
looping MIDI is about to make me pull my hair out! If you ever make a new
video, please put down your DJ hat.
Reply
Louie MIller says:
January 30, 2014 at 11:52 PM

Do you need 2 dongles? cause i have everything working just cant use the
same dongle twice!
Reply
Tyler Watthanaphand says:
January 30, 2014 at 10:55 PM

haha, yeah. Sorry. I thought I had the loop running smoothly, But I was
wrong.
Reply
Tyler Watthanaphand says:
January 30, 2014 at 10:18 PM

Set your DSD to receive on VAC1. Set UniTrunker to listen on VAC1 too, set
the park freq to your control channel freq, set SDR#’s squelch on, set the
trunking plugin correctly.
Reply
demysaid says:
January 30, 2014 at 10:06 PM

Hi, great instructional and much needed. When I get to the part about the
SDRSharp file being created in the Unitrunker folder, it doesn’t work. I
download C ++ 2008 and installed but no luck. Any ideas? Thanks!
Reply
harinder Khela says:
January 30, 2014 at 9:28 PM

I can’t get dsd.exe running, keep getting the Error, couldn’t open /dev/dsp
icto1 reset error icto1 speed error icto1 stereo error Audio in/out /dev/dsp
Could you please help with that?
Reply
Jeff R says:
January 30, 2014 at 8:45 PM

where did you get the SDR?
Reply
KR0SIV / Corrosive says:
January 30, 2014 at 7:56 PM

I live in Ashtabula County… XD
Thanks for the tutorial
Reply

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General Info – K3RRR

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-.- …– .-. .-. .-.
K3RRR.com ~~~~~~~~~~~~~~ Visit My Web Site
@K3TripleR ~~~~~~~~~~~ Follow Me On Twitter
YouTube.com/K3RRR ~~~~ Check Out My Videos
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Name, QTH, Grid:

My name is Robert and I currently live in Killeen Texas about 40 miles north of Austin in EM11db.

Grid Map shows my location and the other 26 hams in my sub grid. Click for bigger photo.

Rigs / Antennas / Etc.:

Here’s a list of my very modest station at Kilo Three Triple R with links to pages with more information about many of the items (coming soon!):

Home Station: Icom 9700 for Satellites and D-Star and VHF/UHF. Icom 7300 for all things HF including mostly FT8! Icom 705 for HF, DSTAR, portable and mobile operations.
Antennas on HF: 135′ EFHW antenna – 80m through 10m at 40′. 65′ EFHW antenna – 40m through 10m at 35′. 6m dipole at 17’made from leftover BuddiPole parts
VHF / UHF / Beyond: Diamond D-130 Discone antenna with 25-1300 MHz coverage at 20′.
Satellite Antenna Array: AMSAT LEO Pack 16 element 436 MHz 436CP16 and 8 element 144 MHz 2MCP8A with AZ / EL Yaesu G-5500 computerized rotator with Fox Delta ST-2 controller.
Antenna for Portable Satellite: Handheld Elk 2M/440L5 Dual-band Log Periodic antenna (used with ICOM 705, Kenwood TH-D74a or BaoFeng UV-5R.)
Mobile Station: For HF, my Icom 705 has shared custody between my Subaru Forster SUV and my home shack. This gives me all mode / all bands 160m – 70cm mobile rig as needed that includes D-STAR, touch screen and waterfall. HF antenna is a 40-10m Wolf River Coils Silver Bullet Mini with a Diamond dual-band antenna for VHF/UHF. I also use my Kenwood TH-D74a which does surprising well as a mobile radio using the same Diamond dual band antenna – with the added benefit of also having DSTAR and APRS. Likewise, I use my Anytone 878 UV Plus DMR radio. The mobile setup also includes a dedicated mobile openSPOT3 hotspot for DMR that allows transcoded operations for any of the three radios – I am usually on the AMSAT, WW 91 or Nationwide talkgroups on DMR and for D-STAR where I usually hang out on 30C or 1C.
HT: Kenwood TH-D74a added to the shack for 144, 220 and 440 amateur bands D-Star, broadband receive, etc. / Anytone 878 UV Plus radio and a BaoFeng UV-5R (3 of them with 2 in the Faraday Cage.) 136-174/400-480 MHz Dual-Band – BaoFeng is mostly for monitoring and throwaway high-risk operations.
Other: Dual LDG Z-11 Pro II Autotuner for both home QTH EFHWs – And Elecraft T-1 for portable operations with my ICOM 705. I am also the happy owner of the amazing Joplin Amateur Radio Club Antenna Launcher.
SDRs: SDRplay RSP2 and Three NooElec RTL2832U USB Sticks – used with the wideband Diamond discone antenna.
Computers: Main Computer: Homebrew Eight Core, 16 Thread i9-11900 @ 5.3GHz / 64 GB RAM — Ham Radio Computer: Six Core, 12 Thread i7-8700 @ 3.7GHz / 48 GB RAM— Triple monitors: Main 65″ LG 4K HDTV with dual 43″ 4K Sceptre HDTV – Apple iPad Pro.
Software: Windows 10 x64 / PstRotator for Sat Tracking, Rotator control and rig control / Ham Radio Deluxe / Digital Master 780 / HRD Logbook / WSJT-X for FT8 with JTAlert / UZ7HO Soundmodem Software Packet-Radio TNC, etc. / UISS for ISS and APRS contacts / etc. etc. etc.

Interests:

Everything! Including my Wonderful Wife Jan (absolutely my #1 favorite way to spend my time), digital photography, mountain hiking, sailing, biking, scuba diving, computers, writing, helping startup companies start and stay started and, of course, for fifty-nine years, ham radio!

Previous Calls:

WN4LEJ – Novice
WA4YFH – General
WB5KFI – Advanced
KD5SB – Advanced
AA5FR – Extra

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Seen Any Bad Links, Missing Photos, Typos, Etc.?

I'm in the process of migrating my old AA5FR.com site to this new site to reflect my new K3RRR.com call sign. As I go through the process, I am also developing several new pages that describe my current antennas and other things of interest such as EMP threats.

If you see any problems with bad links, bad grammar, missing photos, typos, any stupid errors, etc., I would greatly appreciate your reporting those to me so I can fix them ASAP.

Also, any other thoughts, ideas, etc. are also always appreciated!

Just click on my eyeballs below!

73 de Robert

($20 Digital Police Scanner) SDR# UniTrunker RTL-SDR Tutorial

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