Re: [Discuss-gnuradio] Flummoxed!

Hi,

On 09/25/2016 01:32 AM, Cinaed Simson wrote:
> But as strange as this might sound, it almost appears as if the RDS
> module is configured to use RTL dongle raw I/Q data pairs and not the
> complex I/Q pairs used by the USRP and HackRF One?

I don't know the difference between raw I/Q and complex I/Q, but the
module is supposed to work with either source.

>> Next adjusted the 1Msps sample rate using a Polyphase Arbitrary
>> Respampler. Adjusted it from 1Msps to +/- 50Ksps in small increments.
>> RTL dongle packed in the RDS decode a few Ksps either side of the
>> nominal centre of 1Msps. No joy from the USRP or HackRF no matter what
>> sample rate I set it to!!!

Maybe the better approach would be to check what sample rate is
supported by the device, set the source to that sample rate, and then
resample accordingly.

Best,
Bastian

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