CWOP Information for K4DNM (AP715) in Clayton, NC, US

The following information is known about K4DNM. If you think that any information is incorrect, then please follow the instructions for correcting that data item.

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Registered Location

Latitude: 35° 37' 32" N (deg min sec), 35.6255° (decimal), 3537.53N (LORAN)
Longitude: 78° 19' 44" W (deg min sec), -78.3289° (decimal), 07819.74W (LORAN)
Elevation: 70 metres (230 feet) -- validated against 77 metres (252 feet) from NED 1/9th arc-second: North Carolina
Location: Clayton, NC, US
County: Johnston, NC
Forecast Office: Raleigh/Durham (RAH)
Weather station Manager/Operator: Dennis
Station type/software: Weather Display / Davis Vantage Pro

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'K4DNM' 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.

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

You can try to find photographs from the area surrounding the site marker by clicking on Find nearby photographs.

APRS Status

Your data is flowing into, but no weather data is being received from

A recently received report from this station was

K4DNM>APRS,TCPXX*,qAX,CWOP-7:@301030z35.6255608N/-78.3288727N_076/001g003t053r000p001P000b10197h92L000.WD 31

This report was not parsed as a valid APRS message.

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 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: Raleigh/Durham (RAH) .

EW45473.6 milesWest Clayton, NC, US (lat 35.6232°, long -78.3921°, altitude 89 metres) (data present)
KJNX6.8 milesSouthwest Smithfield, Johnston County Airport, NC, United States (lat 35.5408°, long -78.3903°, altitude 50 metres) (data present)
DW67029.2 milesNortheast Zebulon /Emit, NC, US (lat 35.7454°, long -78.2583°, altitude 91 metres) (data present)
EW727110.7 milesSoutheast Pine Level, NC, US (lat 35.5062°, long -78.2088°, altitude 49 metres) (data present)
EW172812.2 milesWest Garner, NC, US (lat 35.6450°, long -78.5445°, altitude 100 metres) (data present)
W4RJF15.2 milesSouthwest Benson, NC, US (lat 35.5343°, long -78.5741°, altitude 93 metres) (data present)
EW960915.8 milesSouthwest Benson, NC, US (lat 35.5140°, long -78.5747°, altitude 92 metres) (data present)
W4ZWA17.7 milesWest Angier, NC, US (lat 35.5433°, long -78.6267°, altitude 87 metres) (data present)
EW907718.1 milesEast Lucama, NC, US (lat 35.6437°, long -78.0083°, altitude 135 metres) (data present)
CW435818.8 milesWest Willow Spring, NC, US (lat 35.5531°, long -78.6507°, altitude 78 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


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 Dennis
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