Walter You also might want to post the question in the 433 forum. https://groups.google.com/forum/#!forum/rtl_433
On Monday, June 17, 2019 at 1:37:24 PM UTC-4, Walter Smith wrote: > Hi, I'm trying to get the data transmitted by my weather station using > rtl_433. I know there's not a built in decoder for VantagePros in rtl_433 > yet, and I'm not getting anything that makes sense to me. Does anyone have > the -X parameters for an "on the fly" decoder? Or can anyone shed any > light on the correct parameters to capture the signal? > > I have an original VantagePro, not a Pro2. I'm pretty sure I've located > the signal at 916.620 mhz (close to published spec of 916.5). This old > VantagePro doesn't signal hop and I get a signal every 2.5 seconds, as > expected. But using -a and -A does not give me anything that I can > understand. I've looked at the format of the transmission at > > https://github.com/dekay/DavisRFM69/wiki > > and don't get anything close to that. The output is pretty much Greek to > me. I've looked for documentation for understanding what -a and -A print > out, > but I haven't found any. Any help is appreciated. > > Thanks, Walt > > Here's a typical output from rtl_433 with the -a parameter: > > Found Rafael Micro R820T tuner > Exact sample rate is: 250000.000414 Hz > [R82XX] PLL not locked! > Sample rate set to 250000 S/s. > Tuner gain set to Auto. > Tuned to 916.620MHz. > *** signal_start = 173391, signal_end = 196411, signal_len = 23020, > pulses_found = 14 > Iteration 1. t: 152 min: 71 (10) max: 233 (4) delta 6525 > Iteration 2. t: 139 min: 62 (9) max: 217 (5) delta 337 > Iteration 3. t: 139 min: 62 (9) max: 217 (5) delta 0 > Pulse coding: Short pulse length 62 - Long pulse length 217 > > Short distance: 67, long distance: 157, packet distance: 470 > > p_limit: 139 > bitbuffer:: Number of rows: 2 > [00] { 8} 8e : 10001110 > [01] { 6} 10 : 000100 > *** signal_start = 798481, signal_end = 821553, signal_len = 23072, > pulses_found = 16 > Iteration 1. t: 174 min: 90 (13) max: 258 (3) delta 4409 > Iteration 2. t: 174 min: 90 (13) max: 258 (3) delta 0 > Pulse coding: Short pulse length 90 - Long pulse length 258 > > Short distance: 53, long distance: 105, packet distance: 158 > > p_limit: 174 > bitbuffer:: Number of rows: 2 > [00] { 2} 80 : 10 > [01] {14} 50 00 : 01010000 000000 > *** signal_start = 1423363, signal_end = 1446331, signal_len = 22968, > pulses_found = 12 > Iteration 1. t: 195 min: 80 (7) max: 311 (5) delta 3545 > Iteration 2. t: 195 min: 80 (7) max: 311 (5) delta 0 > Pulse coding: Short pulse length 80 - Long pulse length 311 > > Short distance: 53, long distance: 105, packet distance: 157 > > p_limit: 195 > bitbuffer:: Number of rows: 2 > [00] { 1} 80 : 1 > [01] {11} 5a 00 : 01011010 000 > *** signal_start = 2048349, signal_end = 2071421, signal_len = 23072, > pulses_found = 15 > Iteration 1. t: 171 min: 83 (11) max: 259 (4) delta 11905 > Iteration 2. t: 171 min: 83 (11) max: 259 (4) delta 0 > Pulse coding: Short pulse length 83 - Long pulse length 259 > > And a typical output using the -A parameter: > > Found Rafael Micro R820T tuner > Exact sample rate is: 250000.000414 Hz > [R82XX] PLL not locked! > Sample rate set to 250000 S/s. > Tuner gain set to Auto. > Tuned to 916.620MHz. > Detected OOK package 2019-06-17 11:49:20 > Analyzing pulses... > Total count: 12, width: 12.31 ms ( 3077 S) > Pulse width distribution: > [ 0] count: 3, width: 836 us [828;848] ( 209 S) > [ 1] count: 6, width: 204 us [204;212] ( 51 S) > [ 2] count: 1, width: 1452 us [1452;1452] ( 363 S) > [ 3] count: 2, width: 620 us [616;624] ( 155 S) > Gap width distribution: > [ 0] count: 6, width: 208 us [208;216] ( 52 S) > [ 1] count: 2, width: 420 us [420;424] ( 105 S) > [ 2] count: 1, width: 1876 us [1876;1876] ( 469 S) > [ 3] count: 1, width: 832 us [832;832] ( 208 S) > [ 4] count: 1, width: 1044 us [1044;1044] ( 261 S) > Pulse period distribution: > [ 0] count: 4, width: 1096 us [1036;1252] ( 274 S) > [ 1] count: 3, width: 416 us [416;420] ( 104 S) > [ 2] count: 1, width: 624 us [624;624] ( 156 S) > [ 3] count: 2, width: 1664 us [1664;1668] ( 416 S) > [ 4] count: 1, width: 2088 us [2088;2088] ( 522 S) > Level estimates [high, low]: 15960, 2 > RSSI: -0.1 dB SNR: 37.3 dB Noise: -37.4 dB > Frequency offsets [F1, F2]: 1062, 0 (+4.1 kHz, +0.0 kHz) > Guessing modulation: No clue... > > Detected OOK package 2019-06-17 11:49:23 > Analyzing pulses... > Total count: 14, width: 12.31 ms ( 3077 S) > Pulse width distribution: > [ 0] count: 1, width: 1264 us [1264;1264] ( 316 S) > [ 1] count: 1, width: 1876 us [1876;1876] ( 469 S) > [ 2] count: 2, width: 620 us [620;624] ( 155 S) > [ 3] count: 2, width: 832 us [832;836] ( 208 S) > [ 4] count: 7, width: 204 us [204;212] ( 51 S) > [ 5] count: 1, width: 412 us [412;412] ( 103 S) > Gap width distribution: > [ 0] count: 2, width: 832 us [832;836] ( 208 S) > [ 1] count: 9, width: 208 us [204;216] ( 52 S) > [ 2] count: 2, width: 416 us [416;420] ( 104 S) > Pulse period distribution: > [ 0] count: 2, width: 2092 us [2084;2100] ( 523 S) > [ 1] count: 4, width: 1092 us [1040;1244] ( 273 S) > [ 2] count: 1, width: 624 us [624;624] ( 156 S) > [ 3] count: 5, width: 416 us [416;420] ( 104 S) > [ 4] count: 1, width: 828 us [828;828] ( 207 S) > Level estimates [high, low]: 15897, 2 > RSSI: -0.1 dB SNR: 37.2 dB Noise: -37.4 dB > Frequency offsets [F1, F2]: 1042, 0 (+4.0 kHz, +0.0 kHz) > Guessing modulation: No clue... > > Detected OOK package 2019-06-17 11:49:25 > Analyzing pulses... > Total count: 12, width: 11.89 ms ( 2972 S) > Pulse width distribution: > [ 0] count: 4, width: 1352 us [1248;1472] ( 338 S) > [ 1] count: 4, width: 204 us [204;212] ( 51 S) > [ 2] count: 1, width: 620 us [620;620] ( 155 S) > [ 3] count: 1, width: 832 us [832;832] ( 208 S) > [ 4] count: 2, width: 412 us [412;416] ( 103 S) > Gap width distribution: > [ 0] count: 1, width: 628 us [628;628] ( 157 S) > [ 1] count: 7, width: 212 us [208;216] ( 53 S) > [ 2] count: 3, width: 416 us [416;420] ( 104 S) > Pulse period distribution: > [ 0] count: 1, width: 2100 us [2100;2100] ( 525 S) > [ 1] count: 3, width: 416 us [416;420] ( 104 S) > [ 2] count: 3, width: 1596 us [1460;1668] ( 399 S) > [ 3] count: 2, width: 1040 us [1036;1044] ( 260 S) > [ 4] count: 2, width: 624 us [624;624] ( 156 S) > Level estimates [high, low]: 15904, 5 > RSSI: -0.1 dB SNR: 34.2 dB Noise: -34.4 dB > Frequency offsets [F1, F2]: 726, 0 (+2.8 kHz, +0.0 kHz) > Guessing modulation: Pulse Code Modulation (Not Return to Zero) > Attempting demodulation... short_width: 204, long_width: 204, reset_limit: > 208896, sync_width: 0 > Use a flex decoder with -X 'n=name,m=FSK_PCM,s=204,l=204,r=208896' > > (PS I did try that suggested -X parameter above but it did not catch > anything.) > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to weewx-user+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/e8d11cea-41ad-4eea-8e31-401c91d80dc1%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
