OK. This explains it all. The external sensor is not connected, so actually 
the unit is reading only the internal temperature, hence the missing 
barometer.

On Sunday, 8 October 2023 at 02:00:15 UTC+1 Tom Keffer wrote:

> BTW, you're not getting outTemp *at all,* let alone temperatures from 12 
> hours ago, so something is wrong with your sensor. Perhaps a bad battery?
>
> On Sat, Oct 7, 2023 at 5:58 PM Tom Keffer <[email protected]> wrote:
>
>> It needs the external temperature (outTemp), not the inside temperature.
>>
>> On Sat, Oct 7, 2023 at 5:37 PM Paolo Franchini <[email protected]> 
>> wrote:
>>
>>> Thanks! On the wiki it says "[...] barometer requires the temperature 
>>> 12 hours ago in order to correct for diurnal tide effects." So maybe I 
>>> should not expect the barometer value to be calculated straight away and 
>>> probably was not running long enough to get it.
>>>
>>> the intemp is present, not the external (which maybe is required as 
>>> well) since have to fix the transmitter first.
>>>
>>> On Saturday, 7 October 2023 at 22:29:49 UTC+1 Tom Keffer wrote:
>>>
>>>> Your hardware is measuring "pressure", which is the uncorrected "gauge" 
>>>> pressure. You want "barometer", which is pressure corrected for altitude 
>>>> and temperature. See the wiki article *Barometer, pressure, and 
>>>> altimeter 
>>>> <https://github.com/weewx/weewx/wiki/Barometer,-pressure,-and-altimeter>* 
>>>> for the differences.
>>>>
>>>> To calculate "barometer" from "pressure" requires temperature, as well 
>>>> as station altitude. For whatever reason, your station is not emitting 
>>>> temperature, so "barometer" cannot be calculated.
>>>>
>>>> I don't have enough experience with the Fine Offset stations to comment 
>>>> on why temperature is not being emitted.
>>>>
>>>> -tk
>>>>
>>>> On Sat, Oct 7, 2023 at 2:12 PM Paolo Franchini <[email protected]> 
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I am using the above station on Fedora 38, but I do not see on the 
>>>>> "Seasons" webpage the pressure. wee_device shows the pressure as on 
>>>>> the display (note, I have the remote sensors currently disconnected)
>>>>>
>>>>> [root@fedora bin]# ./wee_device --current 
>>>>> Using configuration file /home/franchini/weewx/weewx.conf 
>>>>> Using FineOffsetUSB driver version 1.20 (weewx.drivers.fousb) 
>>>>> {'usUnits': 16, 'dateTime': 1696712761, 'inHumidity': 81.0, 'inTemp': 
>>>>> 20.700000000000003, 'outHumidity': None, 'outTemp': None, 'pressure': 
>>>>> 1022.3000000000001, 'windSpeed'
>>>>> : None, 'windGust': None, 'windDir': None, 'rain': None, 'radiation': 
>>>>> None, 'UV': None, 'status': 64, 'ptr': 1996, 'delay': 12, 
>>>>> 'rxCheckPercent': 
>>>>> 0, 'outTempBatteryStatus'
>>>>> : 0, 'rainTotal': 0.0}
>>>>>
>>>>> but weewxd leaves it empty, so I imagine no plots for this reason
>>>>>
>>>>> LOOP:   2023-10-07 18:37:40 BST (1696700260) 'altimeter': 
>>>>> '30.161698861370837', 'appTemp': 'None', 'barometer': 'None', 
>>>>> 'cloudbase': 
>>>>> 'None', 'dateTime': '1696700260', 'del
>>>>> ay': '14', 'dewpoint': 'None', 'ET': 'None', 'heatindex': 'None', 
>>>>> 'humidex': 'None', 'inDewpoint': '64.22383957565924', 'inHumidity': 
>>>>> '82.0', 
>>>>> 'inTemp': '69.98', 'maxSolarR
>>>>> ad': 'None', 'outHumidity': 'None', 'outTemp': 'None', 
>>>>> 'outTempBatteryStatus': '0', 'pressure': '30.158976233750003', 'ptr': 
>>>>> '1856', 'radiation': 'None', 'rain': '0.0', 'r
>>>>> ainRate': '0.0', 'rainTotal': '0.0', 'rxCheckPercent': '0', 'status': 
>>>>> '64', 'usUnits': '1', 'UV': 'None', 'windchill': 'None', 'windDir': 
>>>>> 'None', 
>>>>> 'windGust': 'None', 'wind
>>>>> GustDir': 'None', 'windrun': 'None', 'windSpeed': 'None'
>>>>>
>>>>> Current configuration:
>>>>> version = 4.10.2
>>>>> station_type = FineOffsetUSB
>>>>> model = WH3081
>>>>>
>>>>> Many thanks,
>>>>>
>>>>> Paolo
>>>>>
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>>>>>
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>>> .
>>>
>>

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