On 3/7/17 3:50 PM, bg wrote:
Hi Jim,
Did you look at the below article?
http://www.rtl-sdr.com/a-multi-channel-coherent-rtl-sdr-product-for-passive-radardirection-finding-and-more/
-- Björn
hadn't seen that one, but in my application the RTLSDRs are separated by
substantial distances, so feeding a coherent reference isn't practical.
However, the bistatic radar is fascinating. Juha Vierinen also has a
nice bistatic ionosonde program for a USRP.
I've always wanted to build a radio camera using cast-off Ku-band DBS
dishes/LNBs, and the block of RTLs would work nicely for that.
Sent from my smartphone.
-------- Original message --------From: jimlux <[email protected]> Date:
07/03/2017 22:08 (GMT+01:00) To: Discussion of precise time and frequency measurement
<[email protected]> Subject: [time-nuts] time/sampling behavior of RTL-SDR
Has anyone ever looked at the timing consistency/behavior of the cheap
RTL-SDR dongles?
That is, if you feed a sine wave in and get the samples out via the USB
interface, are there missing samples? What's the ADC clock look like?
If you had two of them, and you determine the relative phase of them at
some time t0, and you let it run for minutes, how far will it have moved?
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