VOR signal reception

2024-07-22 Thread Muhammad Anas
Dear GNU Radio Community, I am working on VOR signal reception using the USRP N210 in GNU Radio Companion. I am encountering an issue with signal reception after applying a low pass filter at 200 Hz. The desired 90 Hz, 130 Hz, and 150 Hz signals are not visible in the frequency spectrum. Instead,

AMPLITUDE (GAIN) Comaprison/ Editor issues

2024-07-22 Thread Muhammad Anas
Dear GNU Radio Community, I hope this message finds you well. Currently, I am engaged in a project involving amplitude difference(gain difference) of 130 Hz and 150 Hz signal in frequency spectrum through GNU Radio Companion, utilizing the QT GUI Frequency Sink block. I am seeking guidance on a s

Re: Making a VLF SSB receiver

2024-07-22 Thread Marcus Müller
Hi Julian, the audio source is set to a sample rate of 48 kHz. So, you're either already bandpass-subsampling and forgot to mention, or you can't represent frequencies higher than 24 kHz with your digitizer in this setting. Can't tell you which – your physical setup isn't part of your flowgrap

Re: AMPLITUDE (GAIN) Comaprison/ Editor issues

2024-07-22 Thread Steve Hageman
Hello Muhammad - As for the editor selection issue, please see this post. https://lists.gnu.org/archive/html/discuss-gnuradio/2024-07/msg4.html As for the amplitude comparison. I would use the FFT block and then use an embedded python block to find the difference between the FFT bins in ques

Re: Editor issues

2024-07-22 Thread Steve Hageman
Hello Muhammad - It just dawned on me that you may not know the external editor 'fix' for windows. My previous email gave directions for how top find the "config.conf" file. Once you find this you can edit the line that says: "editor = " to something like this, editor = C:\Users\steve\AppDat