CWOP Information for CW9899 (C9899) in Reston, VA US (site inactive)

The following information is known about CW9899. 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: 38° 55' 54" N (deg min sec), 38.9317° (decimal), 3855.90N (LORAN)
Longitude: 77° 22' 33" W (deg min sec), -77.3758° (decimal), 07722.55W (LORAN)
Elevation: 128 metres (420 feet) -- validated against 128 metres (419 feet) from NED Contiguous U. S. 1/3E arc second elevation data
Location: Reston, VA US
County: Fairfax, VA
Forecast Office: Baltimore/Washington (LWX)
Station type/software: FreeWX

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'CW9899' 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
2008-02-14	38.9317	-77.3758	128	Reston, VA US

The position of the clicked point on the map is:

The position of the 'CW9899' 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 upload them to Flickr (detailed instructions) and add the two tags 'wxtagged' and 'wx:cwop=c9899'. If the picture is of the weather station itself, then please also add the 'wx:station' tag as well.

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=c9899 -- 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 1400 days ago on 2008-04-13.

A recently received report from this station was

CW9899>APRS,TCPXX*,qAX,T2SGX:@021301z3855.90N/07722.55W_332/002g004t029r000P000h31FWX

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.

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: Baltimore/Washington (LWX) .

Site	Distance		Location
W4MRW	1.1 miles	West	Herndon, VA US (lat 38.9344°, long -77.3961°, altitude 119 metres) (data present)
DW8868	1.8 miles	Southwest	Herndon, VA US (lat 38.9187°, long -77.4047°, altitude 104 metres) (data present)
DW7107	1.8 miles	South	Oak Hill, VA US (lat 38.9070°, long -77.3651°, altitude 109 metres) (data present)
DW5776	3.3 miles	Northeast	Reston, VA US (lat 38.9500°, long -77.3200°, altitude 122 metres) (data present)
CW3816	3.4 miles	East	Reston, VA US (lat 38.9375°, long -77.3125°, altitude 91 metres) (data present)
KIAD	3.9 miles	West	DULLES INTERNATIONAL AIRPORT, VA, United States (lat 38.9348°, long -77.4473°, altitude 98 metres) (data present)
DW4699	3.9 miles	North	Reston, VA US (lat 38.9847°, long -77.3508°, altitude 138 metres) (data present)
DW2968	4.3 miles	Northeast	Reston, VA US (lat 38.9672°, long -77.3098°, altitude 89 metres) (data present)
DW8601	5.0 miles	North	Herndon, VA US (lat 39.0033°, long -77.3675°, altitude 85 metres) (data present)
DW4092	5.9 miles	Southeast	Fairfax, VA US (lat 38.8633°, long -77.3103°, altitude 120 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 Guide (PDF): This is a guide to siting and operating a CWOP station. This is a must-read document.

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 Wednesday, 08 February 2012
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