La Crosse LTV-W1 Wind Sensor

[Harry P]

Been trying to recieve data from my La Crosse LTV-W1 wind sensor using my SDR and cannot get anything.  I am really new to RTL433 and have learned lots though.  I did create a batch file which receives 915 and 433.92 perfectly and it toggles between the two every 30 seconds. Absolutely works perfectly there.  I can even pick up weather sensors around the neighborhood.  I can receive my La Crosse temp sensor on 915M but not my LTV-W1.  It is an LTV-W1 and not the LTV-WR1.  

  Is there a way of displaying a text file of anything rtl433.exe receives even if it cannot decode it?

[Philip Knowles]

Try rtl_433 -f 915M -a -A

Regards

Phil K

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From: rtl...@googlegroups.com <rtl...@googlegroups.com> on behalf of Harry P <harr...@gmail.com>
Sent: Sunday, January 24, 2021 7:05:42 AM
To: rtl_433 <rtl...@googlegroups.com>
Subject: [rtl_433] La Crosse LTV-W1 Wind Sensor

 

Been trying to recieve data from my La Crosse LTV-W1 wind sensor using my SDR and cannot get anything.  I am really new to RTL433 and have learned lots though.  I did create a batch file which receives 915 and 433.92 perfectly and it toggles between the two every 30 seconds. Absolutely works perfectly there.  I can even pick up weather sensors around the neighborhood.  I can receive my La Crosse temp sensor on 915M but not my LTV-W1.  It is an LTV-W1 and not the LTV-WR1.  

  Is there a way of displaying a text file of anything rtl433.exe receives even if it cannot decode it?

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[Harry P]

Interesting this is what I got with the -A command.

center_frequency: 915000000                        frequencies: 915000000, 915000000                     hop_times : 30

Detected FSK package    2021-01-24 00:03:47

Analyzing pulses...

Total count:   74,  width: 39.14 ms             ( 9785 S)

Pulse width distribution:

 [ 0] count:    1,  width:    0 us [0;0]        (   0 S)

 [ 1] count:    5,  width:    8 us [8;8]        (   2 S)

 [ 2] count:    1,  width:    4 us [4;4]        (   1 S)

 [ 3] count:   58,  width:  104 us [104;108]    (  26 S)

 [ 4] count:    2,  width:  212 us [212;212]    (  53 S)

 [ 5] count:    2,  width:  320 us [320;324]    (  80 S)

 [ 6] count:    3,  width:  428 us [428;432]    ( 107 S)

 [ 7] count:    1,  width:  640 us [640;640]    ( 160 S)

 [ 8] count:    1,  width:   52 us [52;52]      (  13 S)

Gap width distribution:

 [ 0] count:    2,  width:    8 us [8;8]        (   2 S)

 [ 1] count:    3,  width:    4 us [4;4]        (   1 S)

 [ 2] count:    1,  width:   12 us [12;12]      (   3 S)

 [ 3] count:   58,  width:  108 us [104;116]    (  27 S)

 [ 4] count:    2,  width:  216 us [216;216]    (  54 S)

 [ 5] count:    2,  width:  320 us [320;324]    (  80 S)

 [ 6] count:    3,  width:  680 us [644;752]    ( 170 S)

 [ 7] count:    1,  width:  428 us [428;428]    ( 107 S)

 [ 8] count:    1,  width: 20004 us [20004;20004]       (5001 S)

Pulse period distribution:

 [ 0] count:    2,  width:    8 us [8;8]        (   2 S)

 [ 1] count:    2,  width:   12 us [12;12]      (   3 S)

 [ 2] count:    1,  width:   20 us [20;20]      (   5 S)

 [ 3] count:    1,  width:   16 us [16;16]      (   4 S)

 [ 4] count:    1,  width:  124 us [124;124]    (  31 S)

 [ 5] count:   52,  width:  212 us [212;216]    (  53 S)

 [ 6] count:    4,  width:  320 us [320;324]    (  80 S)

 [ 7] count:    2,  width:  428 us [428;428]    ( 107 S)

 [ 8] count:    5,  width:  748 us [748;752]    ( 187 S)

 [ 9] count:    1,  width: 1180 us [1180;1180]  ( 295 S)

 [10] count:    1,  width:  540 us [540;540]    ( 135 S)

 [11] count:    1,  width: 20112 us [20112;20112]       (5028 S)

Pulse timing distribution:

 [ 0] count:    1,  width:    0 us [0;0]        (   0 S)

 [ 1] count:    7,  width:    8 us [8;8]        (   2 S)

 [ 2] count:    5,  width:    4 us [4;4]        (   1 S)

 [ 3] count:  116,  width:  104 us [104;116]    (  26 S)

 [ 4] count:    4,  width:  212 us [212;216]    (  53 S)

 [ 5] count:    4,  width:  320 us [320;324]    (  80 S)

 [ 6] count:    4,  width:  428 us [428;432]    ( 107 S)

 [ 7] count:    4,  width:  668 us [640;752]    ( 167 S)

 [ 8] count:    1,  width:   52 us [52;52]      (  13 S)

 [ 9] count:    1,  width:   12 us [12;12]      (   3 S)

 [10] count:    1,  width: 20004 us [20004;20004]       (5001 S)

Level estimates [high, low]:  15885,     40

RSSI: -0.1 dB SNR: 26.0 dB Noise: -26.1 dB

Frequency offsets [F1, F2]:  -24496,  -5805     (-93.4 kHz, -22.1 kHz)

Guessing modulation: No clue...

[Christian Z.]

If you are not sure what to make of this analyzer data, then maybe try:

- run: rtl_433 -f 915M -F http

- and open http://127.0.0.1:8433

- wait for "Connected"

- then Switch "Modes" to Raw ("all" to quickly get something, "unknown" to discover new devices)

- the display should should the analyzer data in a more visual way.

[Christian Z.]

The HTTP UI is somewhat new (added in v20.11, Nov 2020) so if you see ""Invalid URL to InfluxDB specified. No path component" you would need a more recent version of rtl_433.