Архив за 22.04.2019

Comment on An online Software Defined Radio training course by Dean Weiten

The course is still online, and is still $29.99, but the site is obsolete and is now at Tactical Nework Solutions.

Comment on RTL-SDR Tutorial: Cheap ADS-B Aircraft RADAR by Stevesweb

I am using a recently purchased the RTL-SDR V3 dongle with the RTL-SDR ADS-B 1090 MHz LNA (had to wait a while for it to be available) and a TRAM 1411 discone antenna (at 15 feet). I am receiving an avg of 65 aircraft at 200 feet out. Windows 10 Surface Tablet. I’m in central US. This is much better reception than I anticipated. I’ve had a hobby of radio communication since age 12 (1974). Only TX I’ve done was CB Radio years ago, everything else has been RX. RTL-SDR blog has opened a whole new universe of radio reception. Thanks to RTL-SDR.COM and all of the comments. Every post helps with setting up SDR.

TETRA — Help about SDS Data

Hi, noob here

I'm new to Tetra demodulation and I need to understand something.

I'm using a "classic" Tetra demodulator plug-in on SDRsharp, and when I'm looking at the Network Info window I often see this :

D_SDS_Data Party_SSI:8700000 Type:3 Protocol:Text_Messaging

Any idea on how to interpret/get the content of this message (if it is indeed a message) ?

I also often see this :

D_SDS_Data Party_SSI:700345 Type:2 Length:64 Data:6629677987313431127

and I have no idea how to understand it, is the data "6629677987313431127" ?

Thanks!

submitted by /u/whatisrealityy
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Comment on Quick Start Guide by Anonymous

using the qsg I got to step 12 & it would flash then disappear. what should i do now?

Troubleshooting Help • Re: GNURadio No module named _osmosdr_swig

I'm new to Linux....very new.
So, do you think I should uninstall gr-osmosdr?
Can I do it using apt-get?
If I need to use make uninstall I hope I can find the build directory.

What do you think about doing a clean slate and get rid of everything I tried that used an SDR?

Statistics: Posted by petec — Mon Apr 22, 2019 9:50 pm


Comment on Simple NOAA/Meteor Weather Satellite Antenna: A 137 MHz V-Dipole by Boyan Apostolov

Thanks

Comment on Simple NOAA/Meteor Weather Satellite Antenna: A 137 MHz V-Dipole by Boyan Apostolov

Thanks

Comment on Simple NOAA/Meteor Weather Satellite Antenna: A 137 MHz V-Dipole by Dave

Good question. I would think it doesn’t really matter but I would use solid rods for best results

Comment on Simple NOAA/Meteor Weather Satellite Antenna: A 137 MHz V-Dipole by Boyan Apostolov

Hello I want to do this projest but I a have question. Do the alluminium rods need to be hollow or solid?
Thanks in advance!

Comment on moRFeus: A Low Cost Wideband Signal Generator and Frequency Mixer by kb3cs

moRFeus arrives out-of-the-box with Frequency set to 1,234,567.890 kHz and Mixer current set to 0.

the “Getting Started” section of the User Guide ( https://cdn.shopify.com/s/files/1/0770/0935/files/moRFeus_User_Guide_v1.6_v2_web.pdf?2918245811497687996 ) needs to make it very clear you’re not going to see any significant generator output or mixer products until you increase the Mixer current to “1”.

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