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AcuRite Weather Stations / Re: 5 in 1 Pro + pics
« Last post by Glenn on Today at 08:06:20 AM »
Thanks Chief! We had some rain the first evening after I installed it. I think it may have been under reporting based on the simple glass tube rain gauge we have on our deck. Then again, that one was something I picked up a drug store, so who knows how accurate that is! Regardless, we are getting some rain up there today and tonight. I'll compare the glass gauge and the unit and then go from there. Those directions look to be helpful! And probably easier than the drip cup method Acurite recommends.
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Grrrrr. ](*,) Even wind direction is not as simple as I initially assumed.  There is one byte dedicated to direction but it goes from FF at North, decreases clockwise to 7F at East, decreases further to 00 at South, jumps back to FF and decreases clockwise again to 7F and West and continues decreasing to 00/FF at North again.  Presumably there is a bit in some other sensor message to define which "hemisphere", but unfortunately LOTS of bits change when only the wind direction changes.  Basically, the last byte of every message changes when the wind direction rotates (in the case of the '8' and 'D' messages, the last two bytes change).

There's a lot of data to look at here so I'll add it as an attachment.  The format for each line is a timestamp followed by the first two bytes of packet ("header") and then all of the sensor messages (8,E,5,9,A,D & 3).  Obviously only one sensor message changes per packet, the others are the last sensor message of that type received.  This keeps each sensor in a column so it's easier to see what is changing.  In the example below, only the '9' sensor message is new, the others are the last data received for those sensors:


2017-08-17 15:48:04   f9 ff   8)ff 7e 35 67  E)97 c9 ff db  5)01 46 3b 01  9)97 c9 ff b1  A)01 1e 59 10  D)01 1e 33 11  3)ff f9 ff c9
date       time      header    '8'sensor     'E'sensor      '5'sensor      '9'sensor       'A'sensor       'D'sensor       '3'sensor 
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AcuRite Weather Stations / Re: Acurite HD display port
« Last post by Glenn on Today at 08:03:44 AM »
Interesting. I may reach out to Acurite an see what they say. I don't have the instructions in front of me, but I don't recall them referencing that port.
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WeatherUnderground / Re: Goldstar Stations
« Last post by Bashy on Today at 06:49:19 AM »
But, like I said, it does essentially not matter what the readings say, it's down to consistency only.....
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WeatherUnderground / Re: Goldstar Stations
« Last post by vreihen on Today at 06:28:38 AM »
My joke of a second station still has its gold star...and is currently reporting 102% humidity.  You can't make this stuff up.....
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Davis Instruments Weather Stations / Re: VP2 FARS airflow
« Last post by Bashy on Today at 02:58:40 AM »
Thanks, Tis what I thought after your replies..
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Davis Instruments Weather Stations / Re: VP2 FARS airflow
« Last post by CW2274 on Today at 02:45:26 AM »
Thanks guys, so for here in the UK, would you say unlikely to benefit?
Probably. I've been to your lovely country in June and am recalling how remarkably low the angle of the sun is, I'd say don't bother. Just keep the fan going in what you have.
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WeatherUnderground / Re: Goldstar Stations
« Last post by Bashy on Today at 02:16:32 AM »
Im still in Gaol :'(
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Davis Instruments Weather Stations / Re: VP2 FARS airflow
« Last post by Bashy on Today at 02:10:29 AM »
Thanks guys, so for here in the UK, would you say unlikely to benefit?
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Next time, these are brill for simple and waterproof fix, look for sommat over your way

https://www.maplin.co.uk/p/2-way-jelly-crimp-connectors-100-pack-n72dv
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