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R900 Non-BCD Wrap bits in Unknown3 #2891

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dockSquadron opened this issue Apr 3, 2024 · 4 comments
Open

R900 Non-BCD Wrap bits in Unknown3 #2891

dockSquadron opened this issue Apr 3, 2024 · 4 comments

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@dockSquadron
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My Water meter was recently changed from a R900BCD to a R900M V4 Non-BCD. I've been analyzing my neighborhood's water meters and identified the following:

  • When UNKN_ONE:161, it appears that Consumption is BCD coded
  • When UNKN_ONE:163, it appears that Consumption is Non-BCD coded
  • UNKN_THREE has been renamed to WRAP in the data below and appears to be the upper 3 bits of Consumption for Non-BCD data.

I found that meters in my area have a 50 Gallon resolution. To decode properly, I identified the following formula: decimal(WRAP << 24b + CONSUMPTION) / 10.

There are a few meters nearby that UNKN_TWO = 4 and NOUSE = 1, and I'm not sure what that means. Also, one where WRAP = 7, and that seems to be an error of some kind. I also see that the LEAK fields don't seem correct for the BCD meters. Thoughts? I'd like to write a pull request for the WRAP bits. Do you think it holds beyond just my neighborhood? I couldn't tell what the WRAP bits do for the BCD meters.

ID: 142xxxx224 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02564640 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: 8d9693 CONSUMPTION=25646400
ID: 142xxxx224 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02564640 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: 8d9693 CONSUMPTION=25646400
ID: 146xxxx676 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02331792 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: ba14b8 CONSUMPTION=23317920
ID: 146xxxx676 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02331797 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: e0a025 CONSUMPTION=23317970
ID: 146xxxx834 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02521216 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: 849bd0 CONSUMPTION=25212160
ID: 146xxxx834 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02521216 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: 849bd0 CONSUMPTION=25212160
ID: 146xxxx614 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02687328 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: b3a695 CONSUMPTION=26873280
ID: 146xxxx614 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02687328 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: b3a695 CONSUMPTION=26873280
ID: 146xxxx622 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02701408 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: e3052b CONSUMPTION=27014080
ID: 146xxxx622 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 02701413 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: b9b1b6 CONSUMPTION=27014130
ID: 148xxxx904 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 04657664 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: 8f9926 CONSUMPTION=46576640
ID: 148xxxx904 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 04657664 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: 8f9926 CONSUMPTION=46576640
ID: 148xxxx978 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 04264336 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: bdcb44 CONSUMPTION=42643360
ID: 148xxxx978 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 04264341 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: e77fd9 CONSUMPTION=42643410
ID: 148xxxx608 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 03545344 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: 942fcf CONSUMPTION=35453440
ID: 148xxxx608 UNKN_ONE:161 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 03545344 WRAP: 1 LEAK: 7 LEAKNOW: 3 EXTRA: 942fcf CONSUMPTION=35453440
ID: 154xxxx088 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 09239068 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: 09c260 CONSUMPTION=4279350
ID: 154xxxx088 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 09239568 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: 92f4f1 CONSUMPTION=4279400
ID: 154xxxx936 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07961284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 1ebb1d CONSUMPTION=2473850
ID: 154xxxx936 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07961284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 1ebb1d CONSUMPTION=2473850
ID: 154xxxx642 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 08049284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: a48233 CONSUMPTION=2482650
ID: 154xxxx412 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 04998852 WRAP: 3 LEAK: 0 LEAKNOW: 0 EXTRA: f2d307 CONSUMPTION=5533050
ID: 154xxxx412 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 04999352 WRAP: 3 LEAK: 0 LEAKNOW: 0 EXTRA: ad5cf0 CONSUMPTION=5533100
ID: 154xxxx888 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07826068 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: b67fce CONSUMPTION=4138050
ID: 154xxxx888 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07826068 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: b67fce CONSUMPTION=4138050
ID: 154xxxx976 UNKN_ONE:163 UNKN_TWO: 4 NOUSE: 01 CONSUMPTION: 00352241 WRAP: 0 LEAK: 0 LEAKNOW: 0 EXTRA: 772279 CONSUMPTION=35224.1
ID: 154xxxx976 UNKN_ONE:163 UNKN_TWO: 4 NOUSE: 01 CONSUMPTION: 00352550 WRAP: 0 LEAK: 0 LEAKNOW: 0 EXTRA: 180b6a CONSUMPTION=35255
ID: 156xxxx314 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 08549568 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: cee213 CONSUMPTION=4210400
ID: 156xxxx314 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 08549568 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: cee213 CONSUMPTION=4210400
ID: 156xxxx904 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07322284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: a6cbbd CONSUMPTION=2409950
ID: 156xxxx904 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07322284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: a6cbbd CONSUMPTION=2409950
ID: 156xxxx230 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 04352284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: fbd241 CONSUMPTION=2112950
ID: 156xxxx230 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 04352784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 09730a CONSUMPTION=2113000
ID: 156xxxx004 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 00000015 WRAP: 7 LEAK: 0 LEAKNOW: 0 EXTRA: 2bbe7f CONSUMPTION=11744052.7
ID: 156xxxx004 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 00000015 WRAP: 7 LEAK: 0 LEAKNOW: 0 EXTRA: 2bbe7f CONSUMPTION=11744052.7
ID: 157xxxx858 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 13626284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 542574 CONSUMPTION=3040350
ID: 157xxxx858 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 13626284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 542574 CONSUMPTION=3040350
ID: 157xxxx986 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 10901784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 820264 CONSUMPTION=2767900
ID: 157xxxx986 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 10901784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 820264 CONSUMPTION=2767900
ID: 157xxxx868 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 08674784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: ccbc46 CONSUMPTION=2545200
ID: 157xxxx868 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 08674784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: ccbc46 CONSUMPTION=2545200
ID: 157xxxx414 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07478784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 486308 CONSUMPTION=2425600
ID: 157xxxx414 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07478784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 486308 CONSUMPTION=2425600
ID: 157xxxx760 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07176784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 97b772 CONSUMPTION=2395400
ID: 157xxxx760 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07176784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 97b772 CONSUMPTION=2395400
ID: 157xxxx012 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 16440000 WRAP: 0 LEAK: 0 LEAKNOW: 0 EXTRA: ee08a5 CONSUMPTION=1644000
ID: 157xxxx012 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 16440000 WRAP: 0 LEAK: 0 LEAKNOW: 0 EXTRA: ee08a5 CONSUMPTION=1644000
ID: 157xxxx614 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 05290068 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: a2d451 CONSUMPTION=3884450
ID: 157xxxx614 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 05290068 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: a2d451 CONSUMPTION=3884450
ID: 157xxxx254 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07651568 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: e1f9eb CONSUMPTION=4120600
ID: 157xxxx254 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07651568 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: e1f9eb CONSUMPTION=4120600
ID: 157xxxx852 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 11608068 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: 51f2de CONSUMPTION=4516250
ID: 157xxxx852 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 11608568 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: 6e265d CONSUMPTION=4516300
ID: 157xxxx286 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07830568 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: 3b154f CONSUMPTION=4138500
ID: 157xxxx286 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 07830568 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: 3b154f CONSUMPTION=4138500
ID: 157xxxx272 UNKN_ONE:163 UNKN_TWO: 4 NOUSE: 00 CONSUMPTION: 00950626 WRAP: 0 LEAK: 5 LEAKNOW: 1 EXTRA: 5eedfa CONSUMPTION=95062.6
ID: 157xxxx272 UNKN_ONE:163 UNKN_TWO: 4 NOUSE: 00 CONSUMPTION: 00951600 WRAP: 0 LEAK: 5 LEAKNOW: 1 EXTRA: 5928cb CONSUMPTION=95160
ID: 157xxxx762 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 12166784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 7ae609 CONSUMPTION=2894400
ID: 157xxxx762 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 12166784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 7ae609 CONSUMPTION=2894400
ID: 157xxxx274 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 09551000 WRAP: 0 LEAK: 0 LEAKNOW: 0 EXTRA: 1a9f1e CONSUMPTION=955100
ID: 157xxxx274 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 09551000 WRAP: 0 LEAK: 0 LEAKNOW: 0 EXTRA: 1a9f1e CONSUMPTION=955100
ID: 157xxxx228 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 10040068 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: 689a96 CONSUMPTION=4359450
ID: 157xxxx228 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 10040068 WRAP: 2 LEAK: 0 LEAKNOW: 0 EXTRA: 689a96 CONSUMPTION=4359450
ID: 157xxxx374 UNKN_ONE:163 UNKN_TWO: 4 NOUSE: 00 CONSUMPTION: 00172200 WRAP: 0 LEAK: 0 LEAKNOW: 0 EXTRA: 48953b CONSUMPTION=17220
ID: 157xxxx374 UNKN_ONE:163 UNKN_TWO: 4 NOUSE: 00 CONSUMPTION: 00172664 WRAP: 0 LEAK: 0 LEAKNOW: 0 EXTRA: 7e4473 CONSUMPTION=17266.4
ID: 157xxxx100 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 09948784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 143da8 CONSUMPTION=2672600
ID: 157xxxx232 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 09759784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: d39496 CONSUMPTION=2653700
ID: 157xxxx232 UNKN_ONE:131 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 09760284 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 1d5ffa CONSUMPTION=97602840
ID: 157xxxx916 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 08889784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 19f619 CONSUMPTION=2566700
ID: 157xxxx916 UNKN_ONE:163 UNKN_TWO: 0 NOUSE: 00 CONSUMPTION: 08890784 WRAP: 1 LEAK: 0 LEAKNOW: 0 EXTRA: 07d13b CONSUMPTION=2566800
@dockSquadron dockSquadron changed the title R900 Non-BC Wrapp bits in Unknown3 R900 Non-BC Wrap bits in Unknown3 Apr 3, 2024
@dockSquadron dockSquadron changed the title R900 Non-BC Wrap bits in Unknown3 R900 Non-BCD Wrap bits in Unknown3 Apr 3, 2024
@zuckschwerdt
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Your findings seem plausible. A type-code /version in the first byte after the ID would be expected.

Best to look for the most active Neptune R900 users (https://github.com/merbanan/rtl_433/issues?q=r900) and ping them here, asking for their observations on the unknown 1-3 fields.

@dockSquadron
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looks like a similar Pull Request over at RTLAMR regarding high bits of consumption and meter type: (bemasher/rtlamr#270)

Can anyone else provide their observations regarding the unknown fields in the R900 protocol? Please provide some data from meters in your area to see if they match line above. Thanks! @robbat2 @zuckschwerdt @jruby411 @roger- @williamstlr

@jruby411
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jruby411 commented Apr 3, 2024

This is what I got from: rtl_433 -C customary -f 912600155 -s 2000k -Y classic -R 228

rtl_433 version 23.11 branch at 202311281352 inputs file rtl_tcp RTL-SDR with TLS

New defaults active, use "-Y classic -s 250k" if you need the old defaults

Found Rafael Micro R820T tuner
[SDR] Using device 0: Realtek, RTL2838UHIDIR, SN: 00000001, "Generic RTL2832U OEM"
Exact sample rate is: 2000000.052982 Hz
[R82XX] PLL not locked!

time : 2024-04-03 18:54:06
model : Neptune-R900 id : 1568447122
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1962418 unkn3 : 0
leak : 2 leaknow : 0 extra : 6d6fe4

time : 2024-04-03 18:54:11
model : Neptune-R900 id : 1568441166
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1053529 unkn3 : 0
leak : 0 leaknow : 0 extra : 210435

time : 2024-04-03 18:54:15
model : Neptune-R900 id : 1568441994
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1340380 unkn3 : 0
leak : 1 leaknow : 0 extra : 022021

time : 2024-04-03 18:54:16
model : Neptune-R900 id : 1568167740
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1023875 unkn3 : 0
leak : 0 leaknow : 0 extra : 189bdc

time : 2024-04-03 18:54:19
model : Neptune-R900 id : 1568452830
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 2953068 unkn3 : 0
leak : 0 leaknow : 0 extra : 292188

time : 2024-04-03 18:54:22
model : Neptune-R900 id : 1568451124
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 549135 unkn3 : 0
leak : 0 leaknow : 0 extra : 81a356

time : 2024-04-03 18:54:29
model : Neptune-R900 id : 1568440884
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 467153 unkn3 : 0
leak : 2 leaknow : 0 extra : 2ab38e

time : 2024-04-03 18:54:36
model : Neptune-R900 id : 1568454006
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1626361 unkn3 : 0
leak : 0 leaknow : 0 extra : 8fc220

time : 2024-04-03 18:54:45
model : Neptune-R900 id : 1568448864
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1174914 unkn3 : 0
leak : 0 leaknow : 0 extra : 7b9153

time : 2024-04-03 18:55:03
model : Neptune-R900 id : 1568168338
unkn1 : 163 unkn2 : 4 nouse : 1 backflow : 0 consumption: 3816616 unkn3 : 0
leak : 0 leaknow : 0 extra : f88f00

time : 2024-04-03 18:55:07
model : Neptune-R900 id : 1568441166
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1053529 unkn3 : 0
leak : 0 leaknow : 0 extra : 210435

time : 2024-04-03 18:55:07
model : Neptune-R900 id : 1568136004
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1617715 unkn3 : 0
leak : 0 leaknow : 0 extra : e11931

time : 2024-04-03 18:55:11
model : Neptune-R900 id : 1568441994
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1340381 unkn3 : 0
leak : 1 leaknow : 0 extra : 69690e

time : 2024-04-03 18:55:12
model : Neptune-R900 id : 1568167740
unkn1 : 163 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1023875 unkn3 : 0
leak : 0 leaknow : 0 extra : 189bdc

@jruby411
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jruby411 commented Apr 4, 2024

I created a patch to follow the RTLAMR pull request 270 and this is what I get from my meters in the area.
Note: I changed the consumption calculation to use the 2 bits of unkn3. But, since I don't have any meters like that in my area, the numbers didn't change. And yes, the consumption for the current release needs to be divided by 10. I didn't change that either. That would be a breaking change.

See this patch: 701757c

./src/rtl_433 -C customary -f 912600155 -s 2000k -Y classic -R 228
rtl_433 version -128-NOTFOUND branch r900_non_bcd_wrap at 202404021454 inputs file rtl_tcp RTL-SDR SoapySDR with TLS

New defaults active, use "-Y classic -s 250k" if you need the old defaults

Found Rafael Micro R820T tuner
[SDR] Using device 0: Realtek, RTL2838UHIDIR, SN: 00000001, "Generic RTL2832U OEM"
Exact sample rate is: 2000000.052982 Hz
[R82XX] PLL not locked!

time : 2024-04-03 20:25:29
model : Neptune-R900 id : 1568440884
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 467153
unkn3 : 0 leak : 2 leaknow : 0 extra : 2ab38e

time : 2024-04-03 20:25:43
model : Neptune-R900 id : 1568446236
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1408668
unkn3 : 0 leak : 0 leaknow : 0 extra : 8227c3

time : 2024-04-03 20:25:45
model : Neptune-R900 id : 1568448864
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1174978
unkn3 : 0 leak : 0 leaknow : 0 extra : 047d9e

time : 2024-04-03 20:25:47
model : Neptune-R900 id : 1568452830
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 2953282
unkn3 : 0 leak : 0 leaknow : 0 extra : 8eea20

time : 2024-04-03 20:26:11
model : Neptune-R900 id : 1568441994
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1340569
unkn3 : 0 leak : 1 leaknow : 0 extra : baf281

time : 2024-04-03 20:26:18
model : Neptune-R900 id : 1568441730
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 816726
unkn3 : 0 leak : 0 leaknow : 0 extra : f2fb8e

time : 2024-04-03 20:26:18
model : Neptune-R900 id : 1568451124
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 549480
unkn3 : 0 leak : 0 leaknow : 0 extra : 292056

time : 2024-04-03 20:26:25
model : Neptune-R900 id : 1568440884
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 467153
unkn3 : 0 leak : 2 leaknow : 0 extra : 2ab38e

time : 2024-04-03 20:26:35
model : Neptune-R900 id : 1568441166
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1053531
unkn3 : 0 leak : 0 leaknow : 0 extra : f79429

time : 2024-04-03 20:26:39
model : Neptune-R900 id : 1568446236
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1408668
unkn3 : 0 leak : 0 leaknow : 0 extra : 8227c3

time : 2024-04-03 20:26:43
model : Neptune-R900 id : 1568452830
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 2953282
unkn3 : 0 leak : 0 leaknow : 0 extra : 8eea20

time : 2024-04-03 20:27:07
model : Neptune-R900 id : 1568441994
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1340569
unkn3 : 0 leak : 1 leaknow : 0 extra : baf281

time : 2024-04-03 20:27:09
model : Neptune-R900 id : 1568448864
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1174978
unkn3 : 0 leak : 0 leaknow : 0 extra : 047d9e

time : 2024-04-03 20:27:14
model : Neptune-R900 id : 1568441730
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 816726
unkn3 : 0 leak : 0 leaknow : 0 extra : f2fb8e

time : 2024-04-03 20:27:26
model : Neptune-R900 id : 1568447122
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1963297
unkn3 : 0 leak : 2 leaknow : 0 extra : 50f344

time : 2024-04-03 20:27:31
model : Neptune-R900 id : 1568441166
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1053531
unkn3 : 0 leak : 0 leaknow : 0 extra : f79429

time : 2024-04-03 20:27:35
model : Neptune-R900 id : 1568441994
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1340569
unkn3 : 0 leak : 1 leaknow : 0 extra : baf281

time : 2024-04-03 20:27:36
model : Neptune-R900 id : 1568167740
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 1024446
unkn3 : 0 leak : 0 leaknow : 0 extra : 3cd73e

time : 2024-04-03 20:27:39
model : Neptune-R900 id : 1568452830
unkn1 : 10 metertype : 3 unkn2 : 4 nouse : 0 backflow : 0 consumption: 2953282
unkn3 : 0 leak : 0 leaknow : 0 extra : 8eea20

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@zuckschwerdt @dockSquadron @jruby411