Архив за 29.06.2019

Where to find notch filter and other plugins for sdrsharp?

I have gotten back into using my sdr after installing a new operating system on my pc, and while redownloading sdrsharp, I found a topic about a notch filter plugin available for sdrsharp. However, it appears to not be available anymore, nor does it seem to work with the latest version of sdrsharp. Does anyone know if an updated notch filter and other related plugins are available, and where to download them?

submitted by /u/Mr_Engino
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2 Meteor Passes this morning. Eastern North America http://dodgem37.com/wxtoimg/index.html

2 Meteor Passes this morning. Eastern North America http://dodgem37.com/wxtoimg/index.html submitted by /u/creinemann
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2 Meteor Passes this morning. Midwest -North America http://dodgem37.com/wxtoimg/index.html

2 Meteor Passes this morning. Midwest -North America http://dodgem37.com/wxtoimg/index.html submitted by /u/creinemann
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Comment on Getting the V3 Bias Tee to Activate on PiAware ADS-B Images by Simon

It seems to me that the power supply of the RPi can’t deliver the extra 150mA current. Do you use the original 5.1Volt / 2A power supply?

First daytime meteor pass!

First daytime meteor pass! submitted by /u/xconverge
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Making a trunked system

Hey guys I have a fairly broad question, so be gentle. I'm trying to find any information on making my own kind of trunked radio system. I've looked for hours and have only found general descriptions of how a trunked system works, or how to monitor trunked systems. While that is interesting and helpful I'm wondering if it's possible (or maybe even legal) to setup my own kind of trunked radio system. What am I trying to accomplish with this? Well (again the general idea) is that I play airsoft pretty often, and with everyone using FRS channels things can get congested pretty quickly. In my head I'm picturing some way that I could bring a laptop with some kind of SDR and use programmable radios (baofengs) to use the system. If that's not feasible maybe we could even run around with some raspberry pies on the same network for communication.

Again I know this is a super broad outline of a possibly misinformed idea, and I'm looking for pointers to software, hardware or even ideas you guys may have.

Thanks for any help.

submitted by /u/opticnerv01
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Troubleshooting Help • Re: rtl-sdr lna problem

you're right about overloading causing the problem, since i live within a mile or two from am, fm and tv transmitters. am using both am and fm filters, but apparently they are overwhelmed by the strong interference.

found that i get best results by using the am and fm filters without an lna, and by clicking on both RTL AGC and TUNER AGC in the configure source menu. was able to receive meteor m2 pictures this morning using my v dipole (with a lot of dropouts, but still viewable). think another 6 db of s/n ratio would really improve the pictures a lot, but am happy with what i have at the moment.

Statistics: Posted by rjmura — Sat Jun 29, 2019 8:15 pm


Troubleshooting Help • Spikes on HF frequency

Good day, I'm new in signal receiving and etc, just purchased RTL SDR V3 kit and when connecting antenna getting huge spikes everywhere on HF range. In medium, long waves is impossible even consider to detect signal.

Kit Longest Antenna off
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Kit Longest Antenna on
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On higher frequency (starting about 10Mhz+) can listen radio, but still it is supposed to be constant noise level at ~-50db?
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Also tried with 20 meter cable, situation is not getting better on low frequency. Settings is done by the rtl guide.

Statistics: Posted by 00EE00 — Sat Jun 29, 2019 6:18 pm


What kind of decoded message is this? It starts at 24 seconds in to the video ( filter audio was enebaled )

What kind of decoded message is this? It starts at 24 seconds in to the video ( filter audio was enebaled ) submitted by /u/Bagoon_24
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Noaa 18, home made double cross. 80+ degree pass.

Noaa 18, home made double cross. 80+ degree pass. submitted by /u/scrumpo5000
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