SDR AIS available in OpenPlotter 2 - Printable Version +- OpenMarine (https://forum.openmarine.net) +-- Forum: OpenPlotter (https://forum.openmarine.net/forumdisplay.php?fid=1) +--- Forum: General discussion (https://forum.openmarine.net/forumdisplay.php?fid=2) +--- Thread: SDR AIS available in OpenPlotter 2 (/showthread.php?tid=2518) |
RE: SDR AIS available in OpenPlotter 2 - Romarin - 2020-04-27 Hello I have a device that appears when I turn my SDR dongle, but it doesn't work. It is a Nooelec NESDR SmArTee V2 SDR, RTL2832U & R820T2 based. RPi4. hello, I have a device that appears when I turn my SDR dongle, but it doesn't work. It is a Nooelec NESDR SmArTee V2 SDR, RTL2832U & R820T2 based. RPi4. Found 1 device(s): 0: Generic RTL2832U OEM Using device 0: Generic RTL2832U OEM Detached kernel driver Found Rafael Micro R820T tuner Exact sample rate is: 270833.002142 Hz [R82XX] PLL not locked! kal: Scanning for GSM-900 base stations. GSM-900: ----------------------------------------------------------------------- Take note of the channel with the highest power value and press Enter to close this window. ----------------------------------------------------------------------- RE: SDR AIS available in OpenPlotter 2 - verkerkbr - 2020-04-27 (2020-04-27, 05:58 PM)Romarin Wrote: HelloWhat is de outcome if you do this in the terminal. Does it show enabled ? sudo systemctl status openplotter-rtl_ais.service Try with the setting with autostart to on. Bram RE: SDR AIS available in OpenPlotter 2 - Romarin - 2020-04-27 (2020-04-27, 06:12 PM)What is de outcome if you do this in the terminal. Does it show enabled ? Wrote: sudo systemctl status openplotter-rtl_ais.service ● openplotter-rtl_ais.service - Decode AIS received by rtl-sdr and send as NMEA 0183 to UDP port Loaded: loaded (/etc/systemd/system/openplotter-rtl_ais.service; disabled; vendor preset: enabled) Active: active (running) since Mon 2020-04-27 19:02:45 CEST; 3min 16s ago Main PID: 2932 (rtl_ais) Tasks: 4 (limit: 4915) Memory: 1.3M CGroup: /system.slice/openplotter-rtl_ais.service └─2932 /usr/bin/rtl_ais -d 0 -p 0 -P 10110 avril 27 19:02:45 openplotter rtl_ais[2932]: Downsample factor: 64 avril 27 19:02:45 openplotter rtl_ais[2932]: Low pass: 25000 Hz avril 27 19:02:45 openplotter rtl_ais[2932]: Output: 48000 Hz avril 27 19:02:45 openplotter rtl_ais[2932]: Found Rafael Micro R820T tuner avril 27 19:02:45 openplotter rtl_ais[2932]: Log NMEA sentences to console OFF avril 27 19:02:45 openplotter rtl_ais[2932]: AIS data will be sent to 127.0.0.1 port 10110 avril 27 19:02:45 openplotter rtl_ais[2932]: Tuner gain set to automatic. avril 27 19:02:45 openplotter rtl_ais[2932]: Tuned to 162000000 Hz. avril 27 19:02:46 openplotter rtl_ais[2932]: Sampling at 1600000 S/s. avril 27 19:02:46 openplotter rtl_ais[2932]: Allocating 12 zero-copy buffers ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ RE: SDR AIS available in OpenPlotter 2 - Sailoog - 2020-04-27 (2020-04-27, 05:58 PM)Romarin Wrote: Hello I seems that you do not have strong GSM channnels. Delete the AIS assignation to be sure any program is using the device and open a terminal and type: kal -d 0 -s GSM900 -g 49.6 RE: SDR AIS available in OpenPlotter 2 - Romarin - 2020-04-27 (2020-04-27, 07:18 PM)Il semble que vous n\ayez pas de canaux GSM puissants. Wrote: Romarin I look that : Found 1 device(s): 0: Generic RTL2832U OEM Using device 0: Generic RTL2832U OEM usb_claim_interface error -6 Failed to open rtlsdr device #0. RE: SDR AIS available in OpenPlotter 2 - Sailoog - 2020-04-27 It seems that you are not in OpenPlotter now, are you? RE: SDR AIS available in OpenPlotter 2 - Romarin - 2020-04-27 (2020-04-27, 07:40 PM)Sailoog Wrote: It seems that you are not in OpenPlotter now, are you? i am on openplotter with rtl_test: pi @ openplotter: /etc/modprobe.d $ rtl_test Found 1 device(s): 0: Realtek, RTL2838UHIDIR, SN: 00000001 Using device 0: Generic RTL2832U OEM usb_claim_interface error -6 Failed to open rtlsdr device #0. RE: SDR AIS available in OpenPlotter 2 - verkerkbr - 2020-04-27 (2020-04-27, 07:53 PM)Romarin Wrote:(2020-04-27, 07:40 PM)Sailoog Wrote: It seems that you are not in OpenPlotter now, are you? Do you use an activ hub ? A hub with a current supply. ? The RTL-DSR need some power to work well. Bram RE: SDR AIS available in OpenPlotter 2 - Romarin - 2020-04-28 (2020-04-27, 08:33 PM)verkerkbr Wrote: Do you use an activ hub ? A hub with a current supply. ? The RTL-DSR need some power to work well. Yes, I use a separate power supply from RPi4 RE: SDR AIS available in OpenPlotter 2 - Romarin - 2020-04-28 I blacklist the original drivers. Now with rtl_test, i have this : pi@openplotter:~ $ rtl_test Found 1 device(s): 0: Realtek, RTL2838UHIDIR, SN: 00000001 Using device 0: Generic RTL2832U OEM Found Rafael Micro R820T tuner Supported gain values (29): 0.0 0.9 1.4 2.7 3.7 7.7 8.7 12.5 14.4 15.7 16.6 19.7 20.7 22.9 25.4 28.0 29.7 32.8 33.8 36.4 37.2 38.6 40.2 42.1 43.4 43.9 44.5 48.0 49.6 [R82XX] PLL not locked! Sampling at 2048000 S/s. Info: This tool will continuously read from the device, and report if samples get lost. If you observe no further output, everything is fine. Reading samples in async mode... Allocating 15 zero-copy buffers lost at least 160 bytes ^CSignal caught, exiting! User cancel, exiting... Samples per million lost (minimum): 3 |