CWOP Information for SV2BNL-3 (AT275) in Pentapolis, GR

The following information is known about SV2BNL-3. 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: 41° 3' 0" N (deg min sec), 41.0499° (decimal), 4102.99N (LORAN)
Longitude: 23° 41' 19" E (deg min sec), 23.6887° (decimal), 02341.32E (LORAN)
Elevation: 132 metres (433 feet) -- validated against 130 metres (427 feet) from SRTM 3 arc-second: Middle Latitudes
Location: Pentapolis, GR
Weather station Manager/Operator: Michael

The site location should be at the mark shown -- or very close. Clicking within the map area (or you can drag the 'SV2BNL-3' 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.

Data Status

Data has been seen on each of the last 27 analyzed days.

A reasonably recent weather report (193 days ago) received from this station was

The last 24 hours of weather data can be viewed at Findu. This page also provides access to the raw APRS packets and various other APRS related tools.

Recent observations from this weather station can be downloaded as a CSV file suitable for importing into various spreadsheet programs: last 7 days, last 14 days, last 28 days, last 56 days. This data can also be linked directly from Excel using a Web Query. The main link goes to the page with the data on it, and the IQY link is the Web Query that will access it: last 7 days (IQY: last 7 days), last 14 days (IQY: last 14 days), last 28 days (IQY: last 28 days), last 56 days (IQY: last 56 days).

All the means and standard deviations shown below are from the last 28 days. Change analysis period to Last 3 days  Last 7 days  Last 14 days  Last 8 weeks  Last 13 weeks  Last 26 weeks  Last 39 weeks  Last 52 weeks  

Neighboring Stations

This is a list of stations that are close to this station. You can look at those for comparison purposes. The average difference between your station and each station below is listed as well. This may allow you to detect local stations which are erroneous. You can also use these numbers to adjust your instruments -- especially if a number of ASOS stations have similar differences to your station. Also, try increasing the analysis period to more than the default 28 days. The difference is only given if both stations report reasonably often during each day. Some stations only report every 6 hours, and this makes the average of less interest. In this case, the average is not displayed. The values reported are the differences between this station and the neighboring station. I.e. if the difference is positive, then this station is reading higher than the neighboring 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 .

GW343526.8 milesSouth STAVROS THESSALONIKI, GR (lat 40.6630°, long 23.6950°, altitude 17 metres)
DW567837.9 milesEast Kavala, GR (lat 40.9403°, long 24.4003°, altitude 90 metres)
SV2HRW-1343.7 milesSouthwest HORTIATIS, GR (lat 40.6010°, long 23.1017°, altitude 779 metres)
GW083743.9 milesSouthwest Filyro, GR (lat 40.6867°, long 23.0005°, altitude 390 metres)
EW348646.2 milesSouthwest Thessaloniki, GR (lat 40.5210°, long 23.1490°, altitude 230 metres)
EW151446.2 milesSouthwest Thessaloniki, GR (lat 40.6833°, long 22.9493°, altitude 89 metres)
FW864047.9 milesSouthwest Ano Toumpa, GR (lat 40.6337°, long 22.9562°, altitude 35 metres)
DW049448.3 milesSouthwest Thessaloniki, GR (lat 40.5880°, long 22.9975°, altitude 145 metres)
GW434448.8 milesSouthwest THESSALONIKI, GR (lat 40.5747°, long 22.9998°, altitude 132 metres)
FW315750.1 milesSouthwest Thessaloniki, GR (lat 40.5875°, long 22.9513°, altitude 27 metres)

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 Michael
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