Search found 3 matches

by Dmitry Zhadan
Tue Jul 15, 2014 1:05 pm
Forum: User Projects
Topic: AIS
Replies: 23
Views: 81960

Re: AIS

I only have very sparse info on RTL2832. Pin 1/2 are for I input and 3/4 for Q. May be inside the RTL2832 there is a way to obtain I/Q ... May be this topic on Reddit helps you? http://www.reddit.com/r/RTLSDR/comments/1uazsw/rtl2832_datasheet_deep_info/ User metropolis_pt2 wrote: "First of all, it ...
by Dmitry Zhadan
Tue Jul 15, 2014 11:03 am
Forum: User Projects
Topic: AIS
Replies: 23
Views: 81960

Re: AIS

Can u tell me about your key and the shift you can measure. 73 JP Excuse me for long silence. I'm using RTL-SDR dongle from unknown manufacturer, with R820T. Frequency correction value for it is 35-38ppm, which leading to frequency shift 5-6 KHz. Also, I'm surprised by your remark that "R820T tuner...
by Dmitry Zhadan
Fri Jul 11, 2014 1:09 pm
Forum: User Projects
Topic: AIS
Replies: 23
Views: 81960

Re: AIS

Good day.

IS PNAIS use some sort of frequency calibration? If not, it's possible add to PNAIS input field for frequency correction value (ppm).

SY, Dmitry.