Transmitting using both a USRP (Ettus X300) as well as a HackRF. Press question mark to learn the rest of the keyboard shortcuts, EE with 30+ years of RF/DSP/etc. Is there an easy way to transmit on HackRF using Windows? If you have a good fast computer, you can probably manage through a VM. Close. GNU Radio is a lot of fun. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. Everything I found so far was for linux and took a lot of software to try to convert it. The software contains a GNURadio Companion flow graph that sends AIS Messages to a USRP. I wasn't able to get it to work with my Ettus X300, but I didn't spend too much time trying to figure out why, unfortunately. Legal aspects of the HackRF one / SDR in Switzerland? ( Log Out / With so little knowledge of Linux, I wasn’t able to get GNU Radio Companion installed. This can be done fairly easily given the right tools, as I will describe below. With great interest I have been reading your post and solution with the HackRF. Outstanding info so far, lots for me to look into, thanks so much. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. How to secure MySQL against bruteforce attacks? I had to jump through a lot of hoops to get the X300 to work though, so I chalked it up to that (long story). As others have said, Linux is the dominant platform. Change ), You are commenting using your Twitter account. To get the HackRF to transmit using the GRC or scripts, I had to swap out the UHD: USRP Sink for an osmocom sink after installing gr-osmosdr. Maybe one of these days I will give it a try. Stack Overflow for Teams is a private, secure spot for you and WBFM Transmit with HackRF & GNURadio. Is there any way to average resistors together to get a tighter overall resistance tolerance? In the above flow graph, the Wav source produces a morse code file “KF2MR Test” which repeats a couple of times, provides the option of changing the amplitude, then goes through the Narrow Band FM Modulator. Over on YouTube Tech Minds has uploaded a new video where he shows how he can use his HackRF SDR with the SDRAngel software to easily transmit voice to a local ham radio repeater. I'm having trouble getting this to work: https://github.com/trendmicro/ais. Inevitable next question: How do I convert a wav file to IQ samples?! Current role — Computer Security Researcher. Adapting it to HackRF on OS X. I've started to edit my answer but I haven't quite got the time to work on it yet. Another signal received at 145.4 MHz would translate up to 435.4 MHz. I was going through some of the HackRF tutorials posted at https://greatscottgadgets.com/sdr and in lesson 11 he mentions that 2M samp_rate is the MINIMUM he suggests using with the HackRF (not entirely sure why, I'm kind of new at this). site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. If you got the recording from another program which explicitly says it produces IQ output, then that's fine. I've also tried receiving using gr-ais's ais_rx script. This week my goal was to start transmitting. Last week, I was able to get HackRF One receiving using SDR Sharp software. What are some familiar examples in our solar system, and can some still be closed? How to send DMR SMS using MMDVM modem or hackrf? Also featuring Airspy, HackRF, FCD, SDRplay and more. Save my name, email, and website in this browser for the next time I comment. ( Log Out / I can confirm – this process worked on Fedora 32. Today I was transmitting a ‘Wide Band Frequency Modulation’ encoded radio in a carrier wave with Michael Ossmann’s Software Defined Radio peripheral, HackRF.I leave my experience here as breadcrumbs for others who follow in the path of learning Digital Signal Processing () I started with the Narrow Band FM Transmitter to learn the software, but one of my goals is to use the HackRF as a temporary beacon for testing. Making statements based on opinion; back them up with references or personal experience. If you have a good fast computer, you can probably manage through a VM. I was expecting the following to transmit a 36 second wav file: hackrf_transfer -t test.wav -f 145500000 -p 1 -a 1 -x 47. Building a Linear Transponder with Gnu Radio, rtl dongle and hackRF module.. You can also subscribe without commenting. After working for nearly 4 hours to create this transmitter and losing all of my work (See USB Boot Warning above), I decided to install Ubuntu and GNU Radio with HackRF libraries. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. If you are unfamiliar with ham radio, a ham repeater is simply a radio station that receives voice or other signals on a certain ham radio frequency, and re-transmits the signal with stronger power on another frequency. Thanks for contributing an answer to Stack Overflow! I guess completing one tutorial did not make me an SDR expert After completing more lessons and doing more reading, I recognized that I probably had sample rate mismatches in my flow graph. Certainly any product development is possible. For example, a normal repeater may receive at 145 MHz, and repeat the signal at 435 MHz. You must also make sure that the sample rate of the data matches the sample rate specified on the command line and is a rate supported by the HackRF hardware. How many times do you roll damage for Scorching Ray? But GRC generates (overly verbose) Python programs which you can then clean up into something reasonable, or write from scratch once you're familiar with the vocabulary. How I can know who is calling a REST resource? If you needed to perform modulation (as I described above) as well, that would be just another block or two in this chain. Why is a raspberry pi needed? HackRF One — Expected 'hackrf_transfer -t' file format and its creation?
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