CWOP Information for EW7866 (E7866) in Cabo Rojo, PR, US

The following information is known about EW7866. 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: 17° 56' 1" N (deg min sec), 17.9335° (decimal), 1756.01N (LORAN)
Longitude: 67° 11' 31" W (deg min sec), -67.1920° (decimal), 06711.52W (LORAN)
Elevation: 20 metres (66 feet) -- validated against 20 metres (65 feet) from Google
Location: Cabo Rojo, PR, US
County: Cabo Rojo, PR
Forecast Office: San Juan (SJU)
Weather station Manager/Operator: Carlos
Station type/software: Davis Vantage Pro 2/Vue with Weatherlink-IP

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'EW7866' 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.

The station (or view from the station) is shown here. You can choose the view direction to see the surroundings. Other information (and somewhat larger images) can be found by clicking on the picture.

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

APRS Status

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

Weather data was seen at around 26 days ago on 2022-09-08.

A recently received report from this station was


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.

A reasonably recent weather report (25 days ago) received from this station was

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: San Juan (SJU) .

PR106.3 milesNortheast Boqueron Airport, Puerto Rico (lat 18.0107°, long -67.1413°, altitude 0 metres)
FW239710.0 milesEast Lajas, PR, US (lat 17.9695°, long -67.0442°, altitude 9 metres) (data present)
DW043514.4 milesNortheast San German, PR, US (lat 18.0830°, long -67.0390°, altitude 43 metres) (data present)
FW481719.5 milesNorth Mayaguez, PR (lat 18.2108°, long -67.1390°, altitude 17 metres) (data present)
FW899320.7 milesNorth Mayaguez, PR, US (lat 18.2312°, long -67.1550°, altitude 30 metres) (data present)
FW691220.8 milesNortheast Sabana Grande, PR, US (lat 18.0992°, long -66.9288°, altitude 364 metres) (data present)
KJMZ22.1 milesNorth Mayaguez, PR, United States (lat 18.2500°, long -67.1500°, altitude 9 metres)
TJMZ22.5 milesNorth Mayaguez, Eugenio Maria de Hostos Airport, PR, United States (lat 18.2557°, long -67.1485°, altitude 9 metres)
KXYF23.2 milesNorth ETA output point TJMZ, -, Puerto Rico (lat 18.2667°, long -67.1500°, altitude 9 metres)
FW803026.6 milesEast Guayanilla, PR, US (lat 18.0622°, long -66.8110°, altitude 128 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 Carlos
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