[aprssig] 9k6 Packet SDR

Ray Wells vk2tv at exemail.com.au
Thu Mar 13 18:44:41 CDT 2014


I'm not the best person to be answering those questions, however, the 
various projects for which the DTV dongle has been used suggest a wide 
scope of applications including the ones you ask about. I've listened to 
FM radio but have not delved into anything else except ADSB, my purpose 
for buying the dongle.

What I do know is that the Realtek dongle is required because the I & Q 
outputs are available from the chip for external processing.

I did post a link that lists a large number of applications for the 
dongle. Here it is again. http://sdr.osmocom.org/trac/wiki/rtl-sdr

Ray vk2tv

On 14/03/14 09:44, qrv at kd4e.com wrote:
> Where are the break-points, in terms of bands, for maxing-out
> digital throughput?
>
> 1 MB/s on 1GGHZ
>
> What about using simplex networks and/or repeaters:
> 900MHz, 440, 220, 2m?
>
> What about HF-direct 10m, 20m, 40m, 80m?
>
> David KD4E
>
> > Bill Vodall wrote:
>> WOW!!!     Thanks...    1 MB/s -  This has great potential...
>>
>>>> * The next step - if we can decode 9600 packet from a dongle - why not
>>>> 19200?   The Kantronics data radios would generate that. Why not
>>>> 56K?   More?   What is the bandwidth limit of the dongle receivers?
>>>> Since they're for TV I'd image it's 6 MHz...
>>
>>>
>>> Let me feed your enthusiasm.
>>>
>>> The humble DTV dongle is being used successfully for aircraft ADSB 
>>> reception
>>> (at 1090MHz) where the data rate is 1MB/s. SDR-RTL on a Raspberry Pi 
>>> can do
>>> the decoding. The data is recordable for post-incident analysis. 
>>> Take a look
>>> here for further inspiration - http://sdr.osmocom.org/trac/wiki/rtl-sdr
>>>
>>> Ray vk2tv
>
>
>



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