Архив за Сентябрь, 2018

Antennas • Re: Ultra-WideBand Vivaldi Antenna 800MHz to 6GHz+

I'm in no hurry, i understand the need to design these things correctly. In the mean time, i will still pick up a vivaldi to play with.

Statistics: Posted by phil — Sun Sep 30, 2018 11:28 pm


Comment on About RTL-SDR by Timmy

You need a lot of dynamic range down that low, most people used high end 24-bit audiophile sound cards. You will find lots of useful info at http://www.vlf.it/ Maybe start here – http://www.vlf.it/minimal/minimal.htm

Ideas for a dashboard of information?

I have a spare TV, Raspberry Pi, and SDR in my office, and I'd like to build an information display/dashboard of some kind just for looks. The place does not have internet access available, so making an internet-based dashboard is not available, hence why I want to use an SDR.

What kind of information could I gather and display that's interesting? Some things I've thought of so far:

  • APRS
  • ADS-B
  • NOAA
  • IMSI

Other ideas or existing dashboards are welcomed.

submitted by /u/naht_a_cop
[link] [comments]

rtl1090 problems

I had the program working yesterday and when I opened up today all I get is a windows socket error. I read another post about the port being the problem but no matter what I set it to in the config it seems to revert back to 31001. Heres a picture of my settings. https://imgur.com/R0jA5Gc

submitted by /u/Drcool_52
[link] [comments]

Comment on About RTL-SDR by gary

Is there such a rtl-doggle that covers the ELF band, 25hz and lower. been looking but no luck yet.

How n2yo.com decide NOAA satallite pass is visible or not?

How n2yo.com decide NOAA satallite pass is visible or not?

I'm trying to capture NOAA signals with my SDR. I don't understand visibility indicator on n2yo.com. How it works?
From my understanding, it should be about max altitude but it claims 69° is not visible besides 18° is visible.
Is about antenna directions of satellite?

https://i.redd.it/h12y5n8scdp11.png

https://i.redd.it/sgmu4n30ddp11.png

submitted by /u/mavrikant
[link] [comments]

Comment on More KerberosSDR Passive Radar Demos by snn47

@admin
Helicoptors don’t require ADSB equipage, unless flying IFR or transponder mandatory zones. Many rotary wing aircraft do like SAR, Police or military are fully IFR equipped.
There are different antenna types used for direction finding
– Directional antennas are used for mobile and/or fixed station
– Doppler antenna basis e.g. for VHF/UF-COM using, with one receiver on the antennas switched rotating on the antenna basis and the sen´cond reference reciver in the middle connected to the 2 receiver
– ADF in aircraft up to 2000 kHz, using NDB and BC stauions is a bit different again

RTL-SDR Discussion • android sdr and USB otg noon q.

Hello, I'm wondering if all sdr for Android dongles require USB otg support, I know my phone don't support USB otg, so I was looking at this (Android Phones USB Dongle SDR+R820T2 DVB-T SDR) it has an Android micro USB male end built in removing the need for the otg cable, but does it still require other support? If it matters at all I'm using a Huawei H891L.

Thanks for taking the time to humor a noob.

Statistics: Posted by Hugh Janus — Sun Sep 30, 2018 3:22 pm


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Statistics: Posted by iopfgasd — Sun Sep 30, 2018 12:52 pm


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Statistics: Posted by iopfgasd — Sun Sep 30, 2018 12:48 pm


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