Hi,
my anemometer is definitively broken due to too much wind in the current 
season and it is reporting wrong values,
but the wind direction still being reported correcty. So I've modified the 
weewx.conf:

[StdWXCalculate]
    ignore_zero_wind = False

[StdCalibrate]
    [[Corrections]]
        windSpeed = None

Unfortunately the windDir is always archived as 0, because the VecStats.vec_dir 
uses the speed to calculate the wind vector
What do you suggest to continue archiving the Direction without having the 
Speed?

This is a session with the Simulator Driver and a forced correction windDir = 
90:

LOOP:   2018-11-24 18:34:04 CET (1543080844) ... usUnits: 1, windDir: 90, 
windGust: 2.47898288563e-08, windGustDir: 359.999999256, windSpeed: None
LOOP:   2018-11-24 18:34:09 CET (1543080849) ... usUnits: 1, windDir: 90, 
windGust: 2.23108460595e-07, windGustDir: 359.999993307, windSpeed: None
LOOP:   2018-11-24 18:34:14 CET (1543080854) ... usUnits: 1, windDir: 90, 
windGust: 6.19745716968e-07, windGustDir: 359.999981408, windSpeed: None
LOOP:   2018-11-24 18:34:19 CET (1543080859) ... usUnits: 1, windDir: 90, 
windGust: 1.21470158376e-06, windGustDir: 359.999963559, windSpeed: None
LOOP:   2018-11-24 18:34:24 CET (1543080864) ... usUnits: 1, windDir: 90, 
windGust: 2.0079760441e-06, windGustDir: 359.999939761, windSpeed: None
LOOP:   2018-11-24 18:34:29 CET (1543080869) ... usUnits: 1, windDir: 90, 
windGust: 2.99956906957e-06, windGustDir: 359.999910013, windSpeed: None
LOOP:   2018-11-24 18:34:34 CET (1543080874) ... usUnits: 1, windDir: 90, 
windGust: 4.1894806273e-06, windGustDir: 359.999874316, windSpeed: None
LOOP:   2018-11-24 18:34:39 CET (1543080879) ... usUnits: 1, windDir: 90, 
windGust: 5.57771067999e-06, windGustDir: 359.999832669, windSpeed: None
LOOP:   2018-11-24 18:34:44 CET (1543080884) ... usUnits: 1, windDir: 90, 
windGust: 7.16425917968e-06, windGustDir: 359.999785072, windSpeed: None
LOOP:   2018-11-24 18:34:49 CET (1543080889) ... usUnits: 1, windDir: 90, 
windGust: 8.94912607485e-06, windGustDir: 359.999731526, windSpeed: None
LOOP:   2018-11-24 18:34:54 CET (1543080894) ... usUnits: 1, windDir: 90, 
windGust: 1.0932311306e-05, windGustDir: 359.999672031, windSpeed: None
LOOP:   2018-11-24 18:34:59 CET (1543080899) ... usUnits: 1, windDir: 90, 
windGust: 1.31138148092e-05, windGustDir: 359.999606586, windSpeed: None
LOOP:   2018-11-24 18:35:04 CET (1543080904) ... usUnits: 1, windDir: 90, 
windGust: 1.54936365098e-05, windGustDir: 359.999535191, windSpeed: None
LOOP:   2018-11-24 18:35:09 CET (1543080909) ... usUnits: 1, windDir: 90, 
windGust: 1.80717763305e-05, windGustDir: 359.999457847, windSpeed: None
LOOP:   2018-11-24 18:35:14 CET (1543080914) ... usUnits: 1, windDir: 90, 
windGust: 2.08482341861e-05, windGustDir: 359.999374553, windSpeed: None
LOOP:   2018-11-24 18:35:19 CET (1543080919) ... usUnits: 1, windDir: 90, 
windGust: 2.38230099843e-05, windGustDir: 359.99928531, windSpeed: None
REC:    2018-11-24 18:35:00 CET (1543080900) ... usUnits: 1, windDir: 
359.999606586, windGust: 1.31138148092e-05, windGustDir: 359.999606586, 
windrun: 0.333333333333, windSpeed: None

emiliano

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