CWOP Information for CW1129 (C1129) in Chelmsford, MA, US

The following information is known about CW1129. If you think that any information is incorrect, then please follow the instructions for correcting that data item.

It is possible that this page will report a problem where no problem exists. If you believe that this has happened, then please contact me (address at the bottom of this page) and explain clearly why you think this page is in error. Note that any changes that you make may take a few days to show up here, so please give it a week before commenting.

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Registered Location

Latitude: 42° 36' 7" N (deg min sec), 42.6018° (decimal), 4236.11N (LORAN)
Longitude: 71° 24' 5" W (deg min sec), -71.4015° (decimal), 07124.09W (LORAN)
Elevation: 102 metres (335 feet) -- validated against 107 metres (351 feet) from Geonames
Location: Chelmsford, MA, US
County: Middlesex, MA
Forecast Office: Boston (BOX)
Weather station Manager/Operator: Jeremy
Station type/software: Weewx version 5.0.2 / Vantage

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'CW1129' marker) will display the latitude/longitude of that point.

If the displayed location (or elevation) of the weather observing location is incorrect, please drag the marker to the right location (or click in the right location), and then send the updated information. Please note that we are trying to spot either the Stevenson Screen (or equivalent) or the location where the barometric readings are taken.

NOTE: The Registered Location is the location that the station owner provided when they signed up with CWOP. Show location history.

Date	Latitude	Longitude	Elevation	Name
2014-10-04	42.5928	-71.3867	65	Chelmsford, US
2014-10-05	42.5928	-71.3867	65	Chelmsford, MA, US

The position of the clicked point on the map is:

The position of the 'CW1129' marker on the map is:

Latitude: dummy (deg min sec), dummy (decimal), dummy (LORAN)
Longitude: dummy (deg min sec), dummy (decimal), dummy (LORAN)

There are no photographs of the station. If you are the site operator and have pictures of this location, then please email them to c1129@photo.gladstonefamily.net.

Picture Submission

There are two ways to submit pictures. If you are a flickr user, then see the flickr section below. Otherwise you can simply email the pictures as follows:

Email the pictures to c1129@photo.gladstonefamily.net.
If you use a smartphone that embeds the GPS coordinates in the pictures, then you can send any picture of a weather station to gps@photo.gladstonefamily.net and it will be associated with the correct station automatically.

Flickr Upload

Uploading picktures to flickr.com is easy. If you do not have a free flickr account, then you need to create one. Just go to flickr and click the 'Create your account' button. You can use a google account if you have one.

Once logged in, click on 'Upload Photos & Video'. Next click on 'Choose Photos and Videos', and walk through the process to upload your pictures. They will automatically be resized appropriately.

After the upload is complete, it will ask you to add titles, tags and descriptions. The key step is to add tags as follows:

wxtagged -- this indicates that this picture is of a weather station or surrounding area
wx:cwop=c1129 -- this indicates the site of which this is a picture
wxstation -- add this tag if the picture includes the weather station.

If you had to create your account, then you must upload at least five pictures. It will also take longer for your pictures to appear (a week or so). Otherwise, the pictures should appear after 24-48 hours.

You can try to find photographs from the area surrounding the site marker by clicking on Find nearby photographs. (There are some) (There are none) (There may be some) (Automatically loaded if any)

APRS Status

No data has been seen recently. Please check at findu.com to see if your data is being seen there.

Weather data was seen at findu.com around 27 days ago on 2024-11-29.

A recently received report from this station was

CW1129>APWEE5,TCPXX*,qAX,CWOP-5:@301805z4235.56N/07123.21W_248/002g005t037r009p009P009b.....h46.weewx-5.0.2-Vantage

If this is not a weather report, then your station may not be transmitting weather reports, and this may be the problem. Check the recent reports at findu.com to see if any look like weather reports.

A reasonably recent weather report (25 days ago) received from this station was
CW1129>APWEE5,TCPXX*,qAX,CWOP-5:@301805z4235.56N/07123.21W_248/002g005t037r009p009P009b.....h46.weewx-5.0.2-Vantage

Neighboring Stations

This is a list of stations that are close to this station.

You can also subscribe to an RSS feed to tell you when new stations come online in this area. Choose either within 100 miles or 250 miles . For stations covered by your Forecast Office: Boston (BOX) .

Site	Distance		Location
N1BFO	2.2 miles	East	Chelmsford, MA, US (lat 42.6045°, long -71.3577°, altitude 56 metres) (data present)
W1MWS-13	2.7 miles	Northeast	North Chelmsford, MA, US (lat 42.6333°, long -71.3707°, altitude 43 metres) (data present)
CW3660	3.7 miles	Northeast	Lowell, MA, US (lat 42.6260°, long -71.3370°, altitude 54 metres) (data present)
EW4896	3.7 miles	South	Westford, MA, US (lat 42.5490°, long -71.3880°, altitude 66 metres) (data present)
DW1283	5.9 miles	Southeast	Carlisle Public School, MA, US (lat 42.5262°, long -71.3495°, altitude 73 metres) (data present)
CW3224	6.5 miles	Northwest	Dunstable, MA, US (lat 42.6588°, long -71.5028°, altitude 71 metres) (data present)
GW5427	7.1 miles	West	GROTON, MA, US (lat 42.6028°, long -71.5413°, altitude 10 metres) (data present)
EW1898	7.5 miles	North	Pelham, NH, US (lat 42.7085°, long -71.3807°, altitude 97 metres) (data present)
EW9968	8.6 miles	Southwest	Littleton, MA, US (lat 42.5000°, long -71.5000°, altitude 78 metres) (data present)
FW9816	8.8 miles	Southwest	Boxborough, MA, US (lat 42.5027°, long -71.5105°, altitude 118 metres) (data present)

Location Formats

The location is shown in three different formats. Each of these is used in some software, and is shown on some websites.

Degrees Minutes Seconds: VWS/VWSAPRS, WeatherLink 5.5, WeatherLink (5.2-5.4), WeatherView (Linux)

Decimal degrees: FreeWX, WeatherView32 (PC application)

LORAN: WeatherDisplay, WUHU, Henriksen WServer

Resources

CWOP Home: This describes the whole CWOP program and has a large amount of useful information.

CWOP Siting Guide (PDF): This is a guide to siting and operating a CWOP station. This is a must-read document.

Another CWOP Guide (PDF): This is another guide to siting and operating a CWOP station. This is a must-read document.

Urban Siting and Operations (PDF): This is a guide to siting and operating a CWOP station in an urban environment.

APRS WX Message format: This describes the actual format of the messages transmitted that carry WX information.

WXQC Mailing List: This is a mailing list where data quality issues are discussed. Assistance with software configuration can often be found here.

Topo Map Reading Guide: How to read USGS topographic maps, with a good section on reading contours.

Geographically nearby web pages: Use Geourl to find web pages that deal with locations geographically close to this site.

Overall website comments, problems etc to Philip Gladstone
Page layout last modified Sunday, 28 February 2016
Questions for this weather station owner/operator to Jeremy
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