Luc and Paul
I re-positioned my RPI and antenna and start over with Paul test and Good
news it failed the first 5 attempts at decoding then it decoded 50 out of
51 packets. Going to run a 24 hour test with this dongle to see how the
driver performs.
pi@raspberrypi:~/work/src/github.com/lheijst/rtldavis $
$GOPATH/bin/rtldavis -maxmissed 4 -tf US -fc 71000
22:33:14.479314 rtldavis.go VERSION=0.10
22:33:14.479797 tr=1 fc=71000 ex=0 maxmissed=4 actChan=[0] maxChan=1
22:33:14.480737 BitRate: 19200
22:33:14.480811 SymbolLength: 14
22:33:14.480849 SampleRate: 268800
22:33:14.480883 Preamble: 1100101110001001
22:33:14.480917 PreambleSymbols: 16
22:33:14.480952 PreambleLength: 224
22:33:14.480985 PacketSymbols: 80
22:33:14.481020 PacketLength: 1120
22:33:14.481055 BlockSize: 512
22:33:14.481089 BufferLength: 2048
Detached kernel driver
Found Rafael Micro R820T tuner
22:33:15.250510 {ChannelIdx:0 ChannelFreq:902348338 FreqError:0}
Exact sample rate is: 268800.001367 Hz
22:33:15.450398 Init channels: wait max 133 seconds for a message of each
transmitter
22:34:08.523397 TRANSMITTER 0 SEEN
22:34:08.523952 Hop: {ChannelIdx:19 ChannelFreq:911881597 FreqError:-25}
22:34:11.149930 ID:0 packet missed (1), missed per freq: [0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0]
22:34:11.150410 Hop: {ChannelIdx:41 ChannelFreq:922920108 FreqError:-25}
22:34:13.711819 ID:0 packet missed (2), missed per freq: [0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0
0 0 0 0]
22:34:13.712281 Hop: {ChannelIdx:25 ChannelFreq:914892100 FreqError:-25}
22:34:16.275601 ID:0 packet missed (3), missed per freq: [0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0
0 0 0 0]
22:34:16.276026 Hop: {ChannelIdx:8 ChannelFreq:906362342 FreqError:-25}
22:34:18.837409 ID:0 packet missed (4), missed per freq: [0 0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0
0 0 0 0]
22:34:18.837606 Hop: {ChannelIdx:47 ChannelFreq:925930611 FreqError:-25}
22:34:21.399396 ID:0 packet missed (5), missed per freq: [0 0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0
1 0 0 0]
22:34:21.399516 Init channels: wait max 133 seconds for a message of each
transmitter
22:34:21.399628 Hop: {ChannelIdx:0 ChannelFreq:902348338 FreqError:-25}
22:35:27.963276 TRANSMITTER 0 SEEN
22:35:27.963515 Hop: {ChannelIdx:19 ChannelFreq:911881597 FreqError:-8}
22:35:30.525052 E000825A01001156 3 0 0 0 1 msg.ID=0
22:35:30.525325 Hop: {ChannelIdx:41 ChannelFreq:922920108 FreqError:-11}
22:35:33.087288 500082FF7100B4CF 4 0 0 0 1 msg.ID=0
22:35:33.087472 Hop: {ChannelIdx:25 ChannelFreq:914892100 FreqError:-2}
22:35:35.649229 6000820001005C79 5 0 0 0 1 msg.ID=0
22:35:35.649395 Hop: {ChannelIdx:8 ChannelFreq:906362342 FreqError:-78}
22:35:38.213007 80008213D90051FC 6 0 0 0 1 msg.ID=0
22:35:38.213191 Hop: {ChannelIdx:47 ChannelFreq:925930611 FreqError:15}
22:35:40.774833 E000825A01001156 7 0 0 0 1 msg.ID=0
22:35:40.775221 Hop: {ChannelIdx:32 ChannelFreq:918404353 FreqError:31}
22:35:43.336733 500082FF7100B4CF 8 0 0 0 1 msg.ID=0
22:35:43.337115 Hop: {ChannelIdx:13 ChannelFreq:908871094 FreqError:12}
22:35:45.900671 400082FFC100B046 9 0 0 0 1 msg.ID=0
22:35:45.900838 Hop: {ChannelIdx:36 ChannelFreq:920411355 FreqError:55}
22:35:48.527337 ID:0 packet missed (1), missed per freq: [0 0 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0
1 0 0 0]
22:35:48.527650 Hop: {ChannelIdx:22 ChannelFreq:913386849 FreqError:55}
22:35:51.025280 E000825A01001156 10 0 0 0 1 msg.ID=0
22:35:51.025464 Hop: {ChannelIdx:3 ChannelFreq:903853589 FreqError:45}
22:35:53.587200 500082FF7100B4CF 11 0 0 0 1 msg.ID=0
22:35:53.587382 Hop: {ChannelIdx:29 ChannelFreq:916899102 FreqError:-14}
22:35:56.150805 9000820001084CCD 12 0 0 0 1 msg.ID=0
22:35:56.150959 Hop: {ChannelIdx:44 ChannelFreq:924425359 FreqError:-40}
22:35:58.712941 80008213C900528F 13 0 0 0 1 msg.ID=0
22:35:58.713429 Hop: {ChannelIdx:16 ChannelFreq:910376346 FreqError:-33}
22:36:01.275015 E000825A01001156 14 0 0 0 1 msg.ID=0
22:36:01.275200 Hop: {ChannelIdx:5 ChannelFreq:904857090 FreqError:20}
22:36:03.838427 500082FF7100B4CF 15 0 0 0 1 msg.ID=0
22:36:03.838925 Hop: {ChannelIdx:27 ChannelFreq:915895601 FreqError:-35}
22:36:06.400298 A0008281190064F9 16 0 0 0 1 msg.ID=0
22:36:06.400633 Hop: {ChannelIdx:38 ChannelFreq:921414856 FreqError:-23}
22:36:08.963906 80008213C900528F 17 0 0 0 1 msg.ID=0
22:36:08.964278 Hop: {ChannelIdx:10 ChannelFreq:907365843 FreqError:34}
22:36:11.525926 E000825A01001156 18 0 0 0 1 msg.ID=0
22:36:11.526125 Hop: {ChannelIdx:49 ChannelFreq:926934112 FreqError:4}
22:36:14.087809 500082FF7100B4CF 19 0 0 0 1 msg.ID=0
22:36:14.087991 Hop: {ChannelIdx:21 ChannelFreq:912885099 FreqError:-3}
22:36:16.650039 A0008281190064F9 20 0 0 0 1 msg.ID=0
22:36:16.650214 Hop: {ChannelIdx:2 ChannelFreq:903351839 FreqError:-40}
22:36:19.214445 80008213C900528F 21 0 0 0 1 msg.ID=0
22:36:19.214915 Hop: {ChannelIdx:30 ChannelFreq:917400852 FreqError:87}
22:36:21.776411 E000825A01001156 22 0 0 0 1 msg.ID=0
22:36:21.776599 Hop: {ChannelIdx:42 ChannelFreq:923421858 FreqError:39}
22:36:24.338281 500082FF7100B4CF 23 0 0 0 1 msg.ID=0
22:36:24.338774 Hop: {ChannelIdx:14 ChannelFreq:909372845 FreqError:-11}
22:36:26.901998 6000820001005C79 24 0 0 0 1 msg.ID=0
22:36:26.902187 Hop: {ChannelIdx:48 ChannelFreq:926432361 FreqError:-37}
22:36:29.463823 80008213C900528F 25 0 0 0 1 msg.ID=0
22:36:29.464012 Hop: {ChannelIdx:7 ChannelFreq:905860591 FreqError:10}
22:36:32.025741 E000825A01001156 26 0 0 0 1 msg.ID=0
22:36:32.026108 Hop: {ChannelIdx:24 ChannelFreq:914390350 FreqError:-55}
22:36:34.589820 500082FF7100B4CF 27 0 0 0 1 msg.ID=0
22:36:34.590115 Hop: {ChannelIdx:34 ChannelFreq:919407854 FreqError:12}
22:36:37.151689 400082FFC100B046 28 0 0 0 1 msg.ID=0
22:36:37.151872 Hop: {ChannelIdx:45 ChannelFreq:924927110 FreqError:84}
22:36:39.713607 80008213C900528F 29 0 0 0 1 msg.ID=0
22:36:39.713873 Hop: {ChannelIdx:1 ChannelFreq:902850088 FreqError:43}
22:36:42.277299 E000825A01001156 30 0 0 0 1 msg.ID=0
22:36:42.277487 Hop: {ChannelIdx:17 ChannelFreq:910878096 FreqError:15}
22:36:44.839211 500082FF7100B4CF 31 0 0 0 1 msg.ID=0
22:36:44.839708 Hop: {ChannelIdx:39 ChannelFreq:921916607 FreqError:4}
22:36:47.401070 9000820001084CCD 32 0 0 0 1 msg.ID=0
22:36:47.401323 Hop: {ChannelIdx:26 ChannelFreq:915393850 FreqError:-64}
22:36:49.964492 80008213C900528F 33 0 0 0 1 msg.ID=0
22:36:49.964731 Hop: {ChannelIdx:9 ChannelFreq:906864092 FreqError:-5}
22:36:52.526366 E000825A01001156 34 0 0 0 1 msg.ID=0
22:36:52.526610 Hop: {ChannelIdx:31 ChannelFreq:917902603 FreqError:15}
22:36:55.090031 500082FF7100B4CF 35 0 0 0 1 msg.ID=0
22:36:55.090217 Hop: {ChannelIdx:50 ChannelFreq:927435862 FreqError:22}
22:36:57.651970 A0008281190064F9 36 0 0 0 1 msg.ID=0
22:36:57.652185 Hop: {ChannelIdx:37 ChannelFreq:920913106 FreqError:-13}
22:37:00.213810 80008213C900528F 37 0 0 0 1 msg.ID=0
22:37:00.214052 Hop: {ChannelIdx:12 ChannelFreq:908369344 FreqError:-41}
22:37:02.777588 E000825A01001156 38 0 0 0 1 msg.ID=0
22:37:02.777795 Hop: {ChannelIdx:20 ChannelFreq:912383348 FreqError:-21}
22:37:05.339482 500082FF7100B4CF 39 0 0 0 1 msg.ID=0
22:37:05.339671 Hop: {ChannelIdx:33 ChannelFreq:918906104 FreqError:56}
22:37:07.901380 A0008281190064F9 40 0 0 0 1 msg.ID=0
22:37:07.901567 Hop: {ChannelIdx:4 ChannelFreq:904355340 FreqError:0}
22:37:10.465320 80008213C900528F 41 0 0 0 1 msg.ID=0
22:37:10.465477 Hop: {ChannelIdx:43 ChannelFreq:923923609 FreqError:65}
22:37:13.027246 E000825A01001156 42 0 0 0 1 msg.ID=0
22:37:13.027640 Hop: {ChannelIdx:28 ChannelFreq:916397351 FreqError:-18}
22:37:15.589245 500082FF7100B4CF 43 0 0 0 1 msg.ID=0
22:37:15.589501 Hop: {ChannelIdx:15 ChannelFreq:909874595 FreqError:-30}
22:37:18.152144 6000820001005C79 44 0 0 0 1 msg.ID=0
22:37:18.152452 Hop: {ChannelIdx:35 ChannelFreq:919909605 FreqError:30}
22:37:20.715835 80008213C900528F 45 0 0 0 1 msg.ID=0
22:37:20.716093 Hop: {ChannelIdx:6 ChannelFreq:905358841 FreqError:-19}
22:37:23.277780 E000825A01001156 46 0 0 0 1 msg.ID=0
22:37:23.277968 Hop: {ChannelIdx:40 ChannelFreq:922418357 FreqError:48}
22:37:25.839655 500082FF7100B4CF 47 0 0 0 1 msg.ID=0
22:37:25.839908 Hop: {ChannelIdx:11 ChannelFreq:907867593 FreqError:13}
22:37:28.403668 400082FFC100B046 48 0 0 0 1 msg.ID=0
22:37:28.403923 Hop: {ChannelIdx:23 ChannelFreq:913888599 FreqError:-8}
22:37:30.965567 80008213C900528F 49 0 0 0 1 msg.ID=0
22:37:30.965746 Hop: {ChannelIdx:46 ChannelFreq:925428860 FreqError:-60}
22:37:33.527544 E000825A01001156 50 0 0 0 1 msg.ID=0
22:37:33.527725 Hop: {ChannelIdx:18 ChannelFreq:911379847 FreqError:-46}
22:37:36.091169 500082FF7100B4CF 51 0 0 0 1 msg.ID=0
22:37:36.091346 Hop: {ChannelIdx:0 ChannelFreq:902348338 FreqError:-6}
22:37:38.653167 9000820001084CCD 52 0 0 0 1 msg.ID=0
22:37:38.653346 Hop: {ChannelIdx:19 ChannelFreq:911881597 FreqError:8}
22:37:41.214969 80008213C900528F 53 0 0 0 1 msg.ID=0
22:37:41.215439 Hop: {ChannelIdx:41 ChannelFreq:922920108 FreqError:-26}
22:37:43.779082 E000825A01001156 54 0 0 0 1 msg.ID=0
22:37:43.779264 Hop: {ChannelIdx:25 ChannelFreq:914892100 FreqError:1}
22:37:46.341690 500082FF7100B4CF 55 0 0 0 1 msg.ID=0
22:37:46.342208 Hop: {ChannelIdx:8 ChannelFreq:906362342 FreqError:-161}
22:37:48.903597 A000828C190026A8 56 0 0 0 1 msg.ID=0
22:37:48.903784 Hop: {ChannelIdx:47 ChannelFreq:925930611 FreqError:35}
22:37:51.465517 80008213C900528F 57 0 0 0 1 msg.ID=0
22:37:51.465695 Hop: {ChannelIdx:32 ChannelFreq:918404353 FreqError:52}
22:37:54.029246 E000825A01001156 58 0 0 0 1 msg.ID=0
22:37:54.029783 Hop: {ChannelIdx:13 ChannelFreq:908871094 FreqError:30}
22:37:56.591144 500082FF7100B4CF 59 0 0 0 1 msg.ID=0
22:37:56.591667 Hop: {ChannelIdx:36 ChannelFreq:920411355 FreqError:104}
^CReattached kernel driver
Rich
On Monday, March 25, 2019 at 6:45:05 PM UTC-4, [email protected] wrote:
>
> Rich and Paul,
>
> I am puzzled by the fact that after the first received message on channel
> zero 5 messages in a row are missed AND after the next init NO SINGLE
> message is missed for a long period..
>
> I Don't think it has to to with warming up of the dongle, but it can have
> an influence.
>
> Another possibility is a to precise (time-out) timing. This is important
> when the program has to scan more than one transmitter but is less critical
> when only one transmitter is read.
>
> Could you both try to add the -ex parameter for extra loop timing?
>
> Try values such as '-ex 65' to '-ex 200' (ms). Maybe the percentage of
> missed signals will drop then.
>
> Luc
>
