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Re: Barometric pressure settings

June 14, 2021, 11:59 pm
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Quote from: galfert on Yesterday at 08:27:37 PM
For what it is worth the Sainlogic 310 is not an Fine Offset clone.
[tup] found that out meanwhile too - the WS-0310 is not very well documented in the net though.
Didn't find any manual. But, first glance impressions can be deceptive ... - confused it with a WS3500.

After some longer digging I was able to have a closer look at the device: the console design is different and the look of the sensor array is very different.
Obviously not a FO product line.

Still, that a station in this price league should not allow to enter a relative pressure calibration beyond +/- 10 hPa looks very strange to me.
For absolute pressure calibration that may make sense.
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Re: GW1100 New device Coming!

June 13, 2021, 7:59 pm
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Re: GW1100 New device Coming!

June 13, 2021, 9:24 pm
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cloud based is the future though
you either get with the times or you don't
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Re: GW1100 New device Coming!

June 14, 2021, 12:21 am
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Quote from: waiukuweather on June 14, 2021, 12:24:45 AM
cloud based is the future though
you either get with the times or you don't

Cloud is OK but it only works if you have 100% connectivity plus so much is hacked these days you need to spread the risk which in turn expands the hacking risk. The only zero risk is no connectivity   ;)

Stuart
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Re: GW1100 New device Coming!

June 14, 2021, 1:49 am
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MOVED: Sainlogic 310 Barometric pressure settings

June 15, 2021, 1:53 am
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Re: Buying Direct from Ecowit

June 16, 2021, 9:54 am
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Quote from: doubleohwhatever on June 11, 2021, 03:25:06 AM
It's entirely possible that Fine Offset is dealing with chip and component shortages. It's an industry-wide problem at the moment.

A few days ago I wanted to buy 2 spare parts, thermohygrometers specifically for my station and they didn't have them. Apparently it's a supply problem and they told me it can take months to restore it.
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Re: Buying Direct from Ecowit

June 16, 2021, 9:58 am
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Quote from: GeraltLK on Today at 12:54:01 PM
Apparently it's a supply problem and they told me it can take months to restore it.

That's consistent with what I'm seeing. Some components that have always been in stock by the thousands are now back-ordered until at least August.

This is something most anyone who has a product with a circuit board is dealing with. So I would definitely not get too upset with Ecowit/Fine Offset. In this situation, I believe they are doing the best they can.
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Re: Ecowitt WH6006 to custlm server

June 16, 2021, 4:48 pm
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I pulled my station back home this past week to work through some other issues and have resolved the custom server settings to work with WeeWx interceptor (wu-client).

1. In WxLogger, go to upload.
2. In the dialog box, select the last option, "Custom server"
3. In the top field, replace custom server with your server name; i.e. "www.example.com".  No directories or further delineation is accepted.
4. Put in a dummy ID and password, as WeeWx does not require these.
5. Select the protocol type, current options are: asp, jsp, or php.  (I am using PHP to receive WU format)
6. Set port number and upload interval.

I haven't had a chance to play with the other protocols to see if Ecowitt formatted data will work.  I will try to look at once I resolve my other issues.

-Jonathan
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Re: Buying Direct from Ecowitt

June 17, 2021, 11:24 am
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I just got my tracking number today. Order was on 4/19.
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Watson W8686 set up questions

June 18, 2021, 8:51 am
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Hi all,

1 year ago I joined this forum to ask questions regarding the purchase of a weather station and was guided towards ecowitt products. 1 year later I have purchased a Watson W8686 which is a clone, I have mounted it 3m above the ground in the best position my garden has to offer (side of my shed) and I’m impressed with the results from it.

What I’m struggling to understand is the difference between relative pressure and absolute pressure and what measurements to enter to calibrate the sensors. My local airport which is 5 miles away and 75m above sea level (I’m 40m above sea level) is showing on Metar a QNH 1017hpa. Will this figure be absolute or relative or something else and whichever it is what will be the other figure that I need to enter to get an accurate reading? I hope this makes sense and someone can help.

Thanks Grahame.
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Re: Watson W8686 set up questions

June 18, 2021, 1:21 pm
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Some tips to help sort out some of the mystery.

- The elevation of the METAR is not something to be concerned with when getting their QNH (sea level adjusted pressure).

- Relative pressure = Sea Level pressure

- Absolute pressure = your local station pressure

Therefore if you merely make it so that your Relative pressure is the same as the METAR QNH pressure you are done. But that is the easy way out and it is incomplete because you are then ignoring if your Absolute pressure is also correct or not. Also if you are uploading data to some online services like CWOP where Altimeter pressure needs to be calculated from a correctly set Absolute pressure then you are going to have problems if you ignore also setting the Absolute. Or even for your own knowledge even if you aren't uploading to CWOP, you may just want to be thorough and also get the Absolute dialed in.

To get both Relative and Absolute pressure dialed in you need to do this in two steps. First step is to figure out by how much your Relative and Absolute should differ by. This difference is constant for our weather stations. Technically speaking it isn't really constant but we need to figure out an average that works for all year so that you don't have to constantly be messing with calibration. Meaning that at some point the margin of error is acceptable because it will be plus/minus within some small range. I recommend using the Keisan Casio online calculator to figure out by how much that average difference should be between your Relative and your Absolute. This difference is directly related to your elevation. Therefore you need to use a good reference to find out at what total elevation your barometer is. I use Free Map Tool Elevation Finder to get your elevation. Just enter in your Latitude and Longitude and you'll have your elevation. But you must remember to add to that the elevation of your barometric sensor....which is not outside. Your barometric sensor is in your house either in your display console or in the indoor temp/humidity/barometric sensor depending on which model station you have. If your barometric sensor is on the first floor or second floor will make a bit of a difference so just add the appropriate height to the elevation you get from the Free Map Tools site. Then you'll just need to enter this total elevation into the Keisan Casio calculator and see what the resulting Atmospheric Pressure is. Do not change the default temperature and do not change the default Sea Level Pressure. The reason you do not change these default values is because we are looking for an average difference between Relative and Absolute for your elevation. We don't want to know what it is now...we need a difference that will work for all year...forever. Once you click on the Execute button all you have to do is subtract the 1013.25 hPa from the resulting Atmospheric pressure....and that is your difference. You'll then dial in that offset into your Relative pressure of your station. Then never again touch your Relative directly. That completes step 1. The next step is to adjust the Absolute until it affects the readout of the Relative so that the Relative equals the current METAR. That is it! You are now 100% calibrated.

Reference links:
https://www.freemaptools.com/elevation-finder.htm
https://keisan.casio.com/exec/system/1224579725

Long term hints: Keep an eye on your Relative after performing the above steps. You can do this initial calibration at any time and then fine tune it later. The best time to fine tune is when the pressure is stable and on a nice clear day when the METAR is close to 1013 hPa.
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Re: GW1100 New device Coming!

June 18, 2021, 1:30 pm
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Ambient has been talking about a replacement for the ObserverIP for some time.
I'd bet that this will be it.
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Re: Ecowitt.net API release

June 18, 2021, 10:49 pm
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Hi Mauro,

Quote from: mauro63 on May 30, 2021, 03:42:34 AM
Ecowitt is ready to release the API

any news regarding this?
The old documentation website can no longer be reached, but the new one is not yet active.
One of my API tests (devicedata/history) has now returned a different error message - apparently it is being worked on:
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[2] ErrorException in StatisticData.php line 99
array_merge(): Expected parameter 1 to be an array, null given

So far, I have not received any confirmations or questions about my information or advice.

Regards, Oliver
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Re: Buying Direct from Ecowit

June 19, 2021, 4:56 am
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Quote from: doubleohwhatever on June 16, 2021, 12:58:48 PM
Quote from: GeraltLK on June 16, 2021, 12:54:01 PM
Apparently it's a supply problem and they told me it can take months to restore it.

That's consistent with what I'm seeing. Some components that have always been in stock by the thousands are now back-ordered until at least August.

This is something most anyone who has a product with a circuit board is dealing with. So I would definitely not get too upset with Ecowit/Fine Offset. In this situation, I believe they are doing the best they can.
I also ordered a WH51 from Ecowitt and while can I understand if shipments are delayed due to supply chain problems, what I am less than pleased about is their lack of any response to my inquiries about order status.

There was no indication on their website when I ordered that there were stock problems with the WH51.  The order page directs you (via red highlighted text) to review shipping & delivery information, which states in part:

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In normal, the items with 433MHz or 915MHz are in stock(not including the console accessories) and we'll ship your order within 1-2 weeks or so. For items with 868MHz, we'll need about 4-5 weeks to prepare your order. If itmes are out of stock with unexpected reasons, we'll inform you by emails.

But after I ordered, it has been nothing but silence.  I've sent several inquiries via email (I assume Lucy no longer works there) and have not received a single reply, despite their note under shipping information that says:

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Any problem, please contact us at support@ecowitt.com / ecowittweather@outlook.com

We'll reply your messages within 24 hours(48hours or more for weekends and holidays )


Since I needed the WH51 for a summer vegetable garden, I'll probably just plan on doing without.  And absent a response from Ecowitt, I'll have to dispute the charge with my credit card issuer so the clock does not run on my ability to have the charge reversed. 

In short, I understand supply shortages but don't understand why they can't either update their website to alert customers before they order and/or reply to emails in a timely fashion as they promise to do.  I've recommended Ecowitt to quite a few folks but will hesitate to do so again (at least as far as ordering direct vs. Amazon).
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Re: Buying Direct from Ecowitt

June 19, 2021, 5:12 am
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I too have some WH51s on order, and I agree I wish there was more feedback from Ecowitt on status. Unfortunately, this seems to the norm when ordering directly from a Chinese company as opposed to the exception, as I (and I assume a lot of others) have  experienced in the past.

I pretty much think that companies like Ecowitt , part of Fine Offset, would prefer to go through distribution channels than be direct sellers.
I also believe the Ecowitt product line has pretty much taken off as far as demand outstripping supply, potentially more than expected.

But again, I agree, I wish there was more feedback, or at least information posted on availability.




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Re: i miei confronti ecowitt e non.....

June 19, 2021, 8:46 am
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data of 06/18/2021 weather station  [ You are not allowed to view attachments ]
meteoshield pro-davis vp2 pro(ventilated) comparison
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 meteoshield pro-Davis 7714 comparison (wh31EP)
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comparison meteoshield pro-RAD 02-RAD 14
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meteoshield pro-WS80-VN1900 comparison (test)
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comparison of anemometers
  [ You are not allowed to view attachments ]  [ You are not allowed to view attachments ]
 from 06:00 to 09:00 with no or very weak wind, the results of the ventilated and RAD 02-14 stand out then the wind starts to grow and everything returns as usual, to note in the same time frame the ws80 splashes all the way 'up' but also the vn1900 even if to a lesser extent, which in any case in the end gives an excellent performance  =D> ;)
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Re: WH57 act strange

June 20, 2021, 3:23 am
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Quote from: ToXiQ on Today at 05:58:43 AM
I have since one week the WH57 active and had no thunderstorms until last Friday and Saturday. Had no registration until the time of thunderstorms. After the thunderstorm stopped it appears that lightning = 0 but "Average distance" keeps registering at the last measured distance. see screenshot. I took out the batteries and put them back ibut the "Avarage distance" keeps registering. Then I decided to re-register the WH57 under device ID in WS view with the result that the measurement on my weewx RPI with Belchertown skin 1.2 no longer registers "average distance". But after the second thunderstorm it exactly did the same, when lightning stopped the "Average distance" is registering all the time until I re-register the device.

Also strange was that the WS view app was not updated but only shows the last lightning registration with average distance.  Unfortunately no screenshot of the latter.

All dipswitches are down. Anyone have any idea how to fix this?
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The last strike-time [lightning_time] and the last strike-distance [lightning] remain available even if todays strikes [lightning_num] = 0
As soon as a new strike occurs the distance and time are reset to the new situation.

At least this is the interpretation of the data when using "custom-upload"
Code: [Select]
    [lightning_time] => 1624138212
    [lightning_num] => 0
    [lightning] => 27  Do not know what is received when using the API's.

All lightning values are lost when loading new firmware, but that is on Ecowitts "todo" list to save those values also.

Wim
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Re: Recommendation on a solar radiation shield for Ecowitt Outdoor Sensor

June 20, 2021, 3:26 am
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Yes possibly Olicat.

I’ve been pressing them for answers and time frames but thus far all I get Is we are keeping tabs on progress will advise when ready when we can.


It’s a little frustrating!!
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Re: WH57 act strange

June 20, 2021, 3:34 am
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Hello Wim,

maybe I am not clear, the screenshot is showing lightning before 08:00 in blue and the green line keeps showing up until I re-register the device. When I do not do that I am getting a graph with a green line with registered "Average distance" without any lightning registration, and no thunderstorm in the neighborhood, the sun is shining here :-)

see sample screenshot.

 [ You are not allowed to view attachments ]

regards Walter
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