Search found 131 matches

by d_l
Thu Jul 12, 2018 9:06 pm
Forum: misc
Topic: FTP to two(2) webservers?
Replies: 1
Views: 1179

Re: FTP to two(2) webservers?

You probably won't like this suggestion, but you could probably do it with two Meteohub servers. I'm guessing that you are computing different values and inserting them into the two txt files. If you used two servers, the second would link to the first to obtain its raw weather data. I have to do so...
by d_l
Wed Jul 26, 2017 5:49 pm
Forum: misc
Topic: Chandler Burning Index computed by a virtual sensor
Replies: 0
Views: 1202

Chandler Burning Index computed by a virtual sensor

I wanted to compute the Chandler Burning Index with a virtual sensor. It took more than a few trial-and-error attempts to get it to work and I thought others might be interested in a "how-to". First of all, this computation is using Meteohub version 4.6t (I don't update often). For your virtual sens...
by d_l
Sun Mar 18, 2012 6:47 pm
Forum: Vantage
Topic: WeatherLink Mobile
Replies: 3
Views: 2194

Re: WeatherLink Mobile

I also use the Meteohub with two WLIPs connected to two Envoys. The Meteohub generally handles the WLIP well; however, there can be drop outs that the MH doesn't always correctly handle. Problems I've seen: I think the MH can cause slight delays (5-15) in the updates to wl.com at times. There can be...
by d_l
Thu Jan 19, 2012 8:53 pm
Forum: Vantage
Topic: THSW index
Replies: 18
Views: 9170

Re: THSW index

Do you think Davis would mind if I load it onto my webserver and grant access for download for people of our community? I don't know. It probably would be ok as long as you referenced the more recent AN 28.pdf and also mentioned that some of the look up tables and formulas might be revised in the l...
by d_l
Wed Jan 18, 2012 12:00 am
Forum: Vantage
Topic: THSW index
Replies: 18
Views: 9170

Re: THSW index

Hathor27 wrote: Have you got my private message?
Oops, I'd overlooked it. The whole PDF is the VP1 version of AN 28 and only in a few instances such as THSW index calculations does it differ at all from the information contained in AN 28. For some reason, it is vastly more bloated in size than the AN 28. pdf.
by d_l
Wed Jan 11, 2012 3:57 am
Forum: Meteohub Application
Topic: Bug in virtual sensors command line?
Replies: 8
Views: 2790

Re: Bug in virtual sensors command line?

I've a command line of 158 characters that I can scroll to the end. This is on 4.6t. I doubt that Boris reduced that field for newer versions. Scrolling using FF 4.0.1. I don't update that frequently unless there is a good reason.
by d_l
Wed Jan 04, 2012 12:05 am
Forum: Vantage
Topic: THSW index
Replies: 18
Views: 9170

Re: THSW index

AFAIK, there is no public link to this VP tech manual. The entire manual is over 5 megabytes. I tried extracting just the THSW section and ended up with a one megabyte PDF file. I tried taking images of the section but they had to be pixel huge on each side to be legible. Extraction to txt or RTF fo...
by d_l
Mon Jan 02, 2012 7:38 pm
Forum: Vantage
Topic: THSW index
Replies: 18
Views: 9170

Re: THSW index

Does anybody know how we could calculate it (THSW) as a virtual sensor from its based values? I have more details on the THSW calculation from a Davis VP Tech manual than is offered in App Note 28. Unfortunately it is in PDF format and is over a megabyte in size. I'll try to condense the size or fo...
by d_l
Mon Jan 02, 2012 12:07 am
Forum: Vantage
Topic: THSW index
Replies: 18
Views: 9170

Re: THSW index

The THSW index is re-calculated by the WeatherLink software and not simply output by the Davis hardware in the LOOP data to the WL software. Note that there is even an option in the WeatherLink software to re-calculate the THSW index after some of its input data values have been altered. The HI/LOW ...
by d_l
Wed Nov 16, 2011 3:15 am
Forum: misc
Topic: Snow Density formula
Replies: 2
Views: 3175

Re: Snow Density formula

Snow density is dependent on the air temperatures. I guess you could use this New Snowfall to Estimated Meltwater Conversion Table in reverse to estimate snow depth: http://www.ncdc.noaa.gov/oa/climate/conversion/newsnowfall.html Edit: So on that conversion table, it looks like the following melt wa...
by d_l
Mon Nov 14, 2011 2:39 am
Forum: Wishes
Topic: more than 100 graph definitions
Replies: 3
Views: 2121

Re: more than 100 graph definitions

That is a lot of graphs. I could see that many might put a huge computation load on the old NSLU2 meteohubs.
by d_l
Wed Nov 09, 2011 6:37 pm
Forum: Vantage
Topic: Transitioning from Weatherlink to Meteohub....
Replies: 6
Views: 5053

Re: Transitioning from Weatherlink to Meteohub....

Weatherlink software can not collect data from a serial or USB Weatherlink logger connected to a Meteohub. If you wish to continue collecting weather data with that software, at a minimum, you will need a WeatherLink IP connected to your LAN. With this set up, both the Meteohub and the Weatherlink s...
by d_l
Sun Aug 28, 2011 2:39 am
Forum: NSLU2
Topic: New modem router and can't find ip address
Replies: 14
Views: 9021

Re: New modem router and can't find ip address

Do you have a software firewall that is blocking access to the Meteohub's IP? Microsoft has some firewall security features that must be enabled for various IPs on your LAN.
by d_l
Fri Aug 26, 2011 8:27 pm
Forum: NSLU2
Topic: New modem router and can't find ip address
Replies: 14
Views: 9021

Re: New modem router and can't find ip address

Is the new router on a different IP subnet than the NSLU2 uses?
by d_l
Sun Jul 17, 2011 4:27 pm
Forum: NSLU2
Topic: Serial to USB not recognized
Replies: 2
Views: 3236

Re: Serial to USB not recognized

That list of supported chipsets really ought to be listed someplace in the Meteohub user manual.

I checked the manual to help with Andy's questions and I didn't find anything about only certain chipsets being supported for USB-serial adapters.