Архив за 11.06.2019

Antenna Upgrade?

Hey all,

I’m looking to upgrade my antenna from the basic one that comes with the RTL Kit to something more “fancy”. I use my SDR for:

HD decoding Repeaters NOAA/Meteor 2

Any suggestions?

submitted by /u/DamitSam
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How to track & recover a NWS radiosonde

How to track & recover a NWS radiosonde submitted by /u/olhzn
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Comment on Buy RTL-SDR Dongles (RTL2832U) by Mike

I need to look at and compare the levels of two audio tones that are demodulated from an AM VHF signal (aircraft localizer). Is this something that the RTL2832U DVB-T Tuner Dongles can do? I can detect and compare the two audio tones external to the dongle as long as I can get the audio output from the dongle.

User Projects • Help Configuring the R820T2 with Arduino???

Hi All,
I'm trying to use an Arduino to configure (NOT read the RF ADC data!) and it doesn't seem to be working.

- I've used a logic analyzer to capture the I2C data sent by SDR# to the chip at my walkie-talkie freq.
- I cut the lines from the SLC/SDA test points to the RTL2932
- I connected the Arduino to those lines
- I send the address 0x1A codes to the chip - I get ACKs and data returned on reads.
- I connect my scope to the output lines, key my walkie-talkie, see no IF signal like I do with a non-hacked RTL-SDR.

Thoughts on what I am doing wrong or missing?

Thanks much!!

Statistics: Posted by martinh — Tue Jun 11, 2019 7:22 pm

RTL-SDR Discussion • Re: ExtIO_RTLSDR# — custom ExtIO for RTLSDR

That is treu.
But i use a PMSDR FIFI and sdrplay here.
I only use HDSDR and sometimes WRPLus .
I must only for rtl calibrate before use.

Statistics: Posted by 19ac728 — Tue Jun 11, 2019 5:56 pm

RTL-SDR Discussion • Re: ExtIO_RTLSDR# — custom ExtIO for RTLSDR

the noise floor is the same.
Just recalibrate signal level and all will be the same.

Statistics: Posted by radiolistener — Tue Jun 11, 2019 5:36 pm

User Projects • Re: SDR# Shuttle Express Control Plugin

This looks quite interesting! I'm very tempted to get one of these mice just for this. Silly question, can you change frequency with the outer wheel, or even the inner wheel if I wanted to? If that is one of the options I'm definitely going to get one! If this isn't what you use to change frequency, I'm very curious how you do it on your setup. Perhaps it's just a limitation that is out of your hands, or even more likely since I'm reading this on my tablet & don't have SDR# open in front of me, it's probably something I'm overlooking, 73 & thanks for sharing this!

Statistics: Posted by EnerGeTiX — Tue Jun 11, 2019 5:06 pm

SDR Modulation Basics and How to Tune Them

SDR Modulation Basics and How to Tune Them submitted by /u/Corrosive_One
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User Projects • Re: How to buy an SDR chip

Just use the correct search terms such as "RTL2832U, chip, for sale" ;)

https://www.semiconductorstore.com/cart ... gLg5fD_BwE
(hits from page 1)

Statistics: Posted by aurgathor — Tue Jun 11, 2019 2:21 pm

RTL-SDR Discussion • Add on LevelMeter plugin

I try to get the LevelMeter running. I am using Windows 10. After editing the .xml file with NotePad I fail to save my "new" .xml file. I get the message "You cant open the file. I have tried to change my authority for the file but still no success. Please help me

Statistics: Posted by SM7FQX — Tue Jun 11, 2019 2:19 pm

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