Re: [Discuss-gnuradio] (no subject)

AM D J wrote: > Hello GNURadio friends, > > I'm trying to build a simple repeater that receives a 70MHz IF signal over > a cable and retransmits it at around 200MHz. Essentially, I want to use an > SDR as a upconverter. What's the best way to do this? Do I just use a > sin

[Discuss-gnuradio] (no subject)

Hello GNURadio friends, I'm trying to build a simple repeater that receives a 70MHz IF signal over a cable and retransmits it at around 200MHz. Essentially, I want to use an SDR as a upconverter. What's the best way to do this? Do I just use a sink and source block referring to the same SDR?

[Discuss-gnuradio] UDP Re-transmission

Hello all, I need some advice. I'm trying to take UDP datagrams from one port, transport them over an RF link to a receiver, and then send them back over another UDP port. Sounds simple, but I'm having a difficult time with it. Originally I was doing this to transmit text and image files:

[Discuss-gnuradio] New to Gnu

Hello all, I've been doing radio and satellite communications professionally for about 10 years now. I've just started working with SDR and I have to say...wow. Even after 10 years as an RF tech, and university training in Computer Science, this stuff isn't easy to just "pick up". Thanks to all

Re: [Discuss-gnuradio] Audio Sink for pi

I had to force reload alsa on a linux box once. You could try that, too. On Jan 24, 2018 8:32 AM, "Müller, Marcus (CEL)" wrote: > Hello David, > > No experience with audio on the pi, but: > I usually just work with "default" on Linux. > You can query the possible strings using

Re: [Discuss-gnuradio] sending sine wave, but created another unwanted frequency component

What he said^^ https://en.wikipedia.org/wiki/Nyquist_frequency On Sun, Jan 21, 2018 at 12:18 PM, Jeff Long wrote: > Try reducing the RX filter bandwidth, the gain of the receiver and/or > transmitter, or moving the TX and RX apart, and see what happens. This is > aliasing,