CWOP Information for JA8DKJ (AS390) in Ishikari City, JP

The following information is known about JA8DKJ. 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: 43° 8' 52" N (deg min sec), 43.1477° (decimal), 4308.86N (LORAN)
Longitude: 141° 17' 51" E (deg min sec), 141.2975° (decimal), 14117.85E (LORAN)
Elevation: 6 metres (20 feet) -- validated against 9 metres (30 feet) from SRTM.C_1TO19_3
Location: Ishikari City, JP
Weather station Manager/Operator: Mitsui
Station type/software: AGWTracker

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'JA8DKJ' 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.

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.

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 .

RJCO4.7 milesSoutheast Sapporo Ab, Japan (lat 43.1175°, long 141.3814°, altitude 7 metres) (data present)
474126.3 milesSouth Sapporo, 01, Japan (lat 43.0603°, long 141.3289°, altitude 26 metres) (data present)
4741114.4 milesWest Otaru, -, Japan (lat 43.1825°, long 141.0164°, altitude 26 metres) (data present)
4741325.0 milesEast Iwamizawa, 01, Japan (lat 43.2117°, long 141.7858°, altitude 51 metres) (data present)
4743332.3 milesSouthwest Kutchan, 01, Japan (lat 42.9000°, long 140.7567°, altitude 188 metres) (data present)
RJCC32.7 milesSoutheast Chitose Ab, Japan (lat 42.7742°, long 141.6926°, altitude 25 metres) (data present)
4742438.5 milesSouth Tomakomai, 01, Japan (lat 42.6217°, long 141.5467°, altitude 7 metres) (data present)
4740657.7 milesNorth Rumoi, -, Japan (lat 43.9461°, long 141.6319°, altitude 24 metres) (data present)
4742159.5 milesSouthwest Suttsu, 01, Japan (lat 42.7956°, long 140.2244°, altitude 35 metres) (data present)
RJCY60.1 milesSouth Muroran, Japan (lat 42.3117°, long 140.9753°, altitude 49 metres) (data present)

The sites marked above thus did not report continuously during the analysis period, so the offsets may (probably will) not be accurate.

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 Mitsui
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