Thanks for the clarification Gary. This seems to be exactly what was 
happening here. Everything seems to be in order for now thanks. 

Now my only question left is : is it possible to get the number of Wind 
Samples sent by the weather station or do I have to calculate it from the 
rxCheckPercent and kinda reverse the _rxcheck function in the driver ?

On Saturday, May 2, 2020 at 7:44:53 PM UTC-4, gjr80 wrote:
>
> Quite possibly you had corrupt station memory 
> <https://github.com/weewx/weewx/wiki/Troubleshooting-the-Davis-Vantage-station#corrupt-station-memory>,
>  
> a symptom of which is that loop packets are received from the 
> console/logger but (hardware) archive records are not. If you happen to be 
> running with software record generation you will see no problems since 
> WeeWX is synthesising archive records from the loop packets rather than 
> asking the console/logger for archive records. However, when you change to 
> hardware record generation WeeWX now asks the console/logger for an archive 
> record but the console/logger cannot provide one (due to corrupt memory). 
> WeeWX carries on but with no archive records being saved to archive; 
> reports are run but with no updated data, basically the system does not 
> update. When you look at the log it is quite evident; no records being 
> saved but reports being run.
>
> The usual fix is to clear the device memory with wee_device, but changing 
> the console archive interval also clears the memory thus fixing the corrupt 
> station memory.
>
> Gary
>
> On Sunday, 3 May 2020 06:05:21 UTC+10, Hyrules wrote:
>>
>> ok we have a winner ! I used wee_device to set the interval to 1 minutes 
>> and settings the interval of archive in weewx.conf as I like it and bam ! 
>> Record coming in and rxCheckPercent populated !
>>
>> Thanks for your help and time Tom. Keep up the good work.
>>
>> On Saturday, May 2, 2020 at 3:53:11 PM UTC-4, Hyrules wrote:
>>>
>>> Never had any problem with the logger itself . I just reinstalled a 
>>> fresh version of weewx 4.0 and remove every addons I had as well and skin 
>>> and I still don’t get a REC when I run weewxd. Plenty of loops coming in 
>>> but the logger does not seems to be pushing any records or weewx grabbing a 
>>> record. I’ve been running this for at least an hour and looking at the 
>>> screen. This station has nothing special. it has a USB logger and I got it 
>>> about 10 years ago. Still working really well.
>>>
>>> *From:* [email protected] <[email protected]> *On 
>>> Behalf Of *Tom Keffer
>>> *Sent:* May 2, 2020 15:47
>>> *To:* weewx-user <[email protected]>
>>> *Subject:* Re: [weewx-user] Re: rxCheckPercent always zero and number 
>>> of wind samples
>>>
>>>  
>>>
>>> The Vantage loggers work very well, with one flaw: they don't get it 
>>> right over daylight savings time transitions. Other than that, there's no 
>>> reason not to use them.
>>>
>>>  
>>>
>>> -tk
>>>
>>>  
>>>
>>> On Sat, May 2, 2020 at 12:20 PM Hyrules <[email protected]> wrote:
>>>
>>> I don’t understand why I was on software generation I don’t remember why 
>>> I would prefer software over hardware. I still haven’t seen a archive 
>>> packet that’s really odd.
>>>
>>>
>>>
>>> On Saturday, May 2, 2020 at 2:22:01 PM UTC-4, Tom Keffer wrote:
>>>
>>> There must have been some reason you were using software record 
>>> generation. You may "fix" this, but break something else!
>>>
>>>  
>>>
>>> On Sat, May 2, 2020 at 11:00 AM Hyrules <[email protected]> wrote:
>>>
>>> That must be it. The setting record_generation was software changed it 
>>> to hardware in weewx.conf. Waiting for a archive packet.
>>>
>>> On Saturday, May 2, 2020 at 1:35:43 PM UTC-4, Tom Keffer wrote:
>>>
>>> Are you using software record generation?
>>>
>>>  
>>>
>>> If so, weewx will not retrieve the archive record from the logger and, 
>>> instead, calculates the archive record in software. The logger is what 
>>> supplies the number of wind samples, so it is only available if you 
>>> download an archive record.
>>>
>>>  
>>>
>>> -tk
>>>
>>>  
>>>
>>> On Sat, May 2, 2020 at 10:27 AM Hyrules <[email protected]> wrote:
>>>
>>> Well that's not it. I ahve reflashed with the wireless version and still 
>>> not seeing the rxCheckPercent and Wind Samples
>>>
>>> On Saturday, May 2, 2020 at 12:18:08 PM UTC-4, Hyrules wrote:
>>>
>>> Crap I think I have and Idea what is happening I might have flashed the 
>>> cabled version firmware. Will try to reflash the wireless version because 
>>> my station is wireless.
>>>
>>> On Saturday, May 2, 2020 at 11:11:31 AM UTC-4, Hyrules wrote:
>>>
>>> Hi everyone,
>>>
>>>  
>>>
>>> I have a vantage pro 2 and was wondering what might be the issue of the 
>>> following my rc_CheckPercent is always at zero. I have a point in my sql 
>>> data when I temporarily got some value but at the moment it's zero. This is 
>>> happening in Weewx 4.0 but was also happening in Weewx 3.9.x
>>>
>>> Also is it possible to get the number of wind sample ? The skin that i'm 
>>> creating requires it and i have hard time finding any info on it in the 
>>> documentation.
>>>
>>>  
>>>
>>> Anyone has any input.
>>>
>>>  
>>>
>>> Thanks,
>>>
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