[OZAPRS] ISS gate RTLSDR

[Andrew Rich]

How about Mac OS X ? 

Got a iMac on my desk 

Andrew

-----------------------------
Sent from my iPhone
Andrew Rich
e vk4tec at tech-software.net
w www.tech-software.net
m 0419 738 223

> On 15 Nov. 2016, at 07:19, Mark Jessop <lenniethelemming at gmail.com> wrote:
> 
> The Raspberry Pi model 2's have just enough grunt to run rtl_fm and the direwolf AFSK demod. This is how the VK5NEX-5 RX only igate works.
> 
> There's a guide to setting one up here:
> https://github.com/wb2osz/direwolf/blob/master/doc/Raspberry-Pi-SDR-IGate.pdf
> 
> You'd want to be changing the RX frequency of course, and probably put a preamp in front of the RTLSDR, as their 'native' performance isn't that good. 
> 
> - Mark VK5QI
> 
>> On Tue, Nov 15, 2016 at 7:30 AM, Marcus B <mrmabs at gmail.com> wrote:
>> Eh, let's try writing this a third time (my software keeps deleting my drafts).
>> The raspberry pi CPU might struggle, but it should be doable. It's a two step process, first you need to demodulate the FM, I'd suggest GNU Radio for that.
>> 
>> http://www.rtl-sdr.com/tutorial-creating-fm-receiver-gnuradio-rtl-sdr/
>> 
>> Then you need to route that audio through a virtual cable.
>> 
>> http://www.dxzone.com/5-free-virtual-audio-cable-software/
>> 
>> And let the Linux afsk modem do the rest of the work.
>> 
>> 
>> On Mon, 14 Nov 2016, 22:02 Andrew Rich <vk4tec at tech-software.net> wrote:
>> Hello
>> 
>> How do I make an Igate for ISS with a raspberry Pi and SDR dongle ?
>> 
>> Andrew
>> 
>> -----------------------------
>> Sent from my iPhone
>> Andrew Rich
>> e vk4tec at tech-software.net
>> w www.tech-software.net
>> m 0419 738 223
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> 
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