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Issue created by Administrator@rootContributor

Map Viewer BTS pin colors

Created by: E3V3A

The BTS pin colors as shown in the Map Viewer where previously loosely defined as:

BLUE = The one currently connected BTS, GREEN = other nearby previously seen BTS's where: _Samples: >1_ RED = new or previously unknown (to OCID) BTSs or where: _Samples: 0_, or "-1".

However, this is neither logical nor according to our detection status. So we have to re-think what make more sense. In addition there may be other ways to display additional BTS information, for example, by using different size, shape or "letters" inside the pins. Perhaps the colors should be:

  • BLUE (dot) = Your current location as determined by your GPS
  • BLUE (transparent) = The radial accuracy of your GPS location
  • GREEN|RED (connection) = Your currently connected BTS whose location is determined by the _DBe_import_ GPS position and the detection status. This should always be RED if not GREEN status.
  • GREEN (small) = A BTS that is known to DBe_import where:
    • _rej_cause=0_ and
    • A5/x >= A5/3 and
    • Samples: >3 and
    • _isGPSexact=1_
  • ORANGE (small) = A BTS that is known to DBe_import where:
    • _rej_cause=0_ and
    • A5/x >= A5/3 and
    • Samples: <4 or
    • _isGPSexact=0_
  • RED (small) = A BTS that is known (or unknown) to DBe_import where:
    • _rej_cause>0_ or
    • Samples: [0,-1] or
    • A5/x < A5/3
    • or A BTS that is new or unknown to DBe_import.

One good source of inspiration can be found by the visually pleasing Antenna App:

spider1

Where he presents the various BTS as clearly labelled dots. (See image above.)

A red circle indicates the cell site that your mobile phone is currently using.

Yellow circles indicate other cell sites in your vicinity, that your mobile receiver is also connected to. Note that only the sites for your current network provider are visible to the application. This feature is not available on CDMA and UMTS

Smaller yellow circles indicate other cell sites in your vicinity that your mobile receiver was able to connect earlier in this session, but are now out of reach.

A blue circle indicates user location as reported by the GPS (G), the Google Network Location service (N) or as best guessed based on nearby antenna locations (A).

If you have a valid GPS location, a separate darker blue circle marked (N) indicates the "Network Location" determined by looking at nearby mobile and WiFi antennas. If you are using CDMA and WiFi is turned off, this should coincide with your active antenna location.

The numbers in the circles indicate signal strength. To calculate dBm from the number shown, use the formula dBm = -113 + 2 * strength. Values below -112 dBm are shown as 0, values over -52 dBm are shown as 31. If signal strength is unknown, a "?" is shown.

On some CDMA networks, signal strength indicators are not available. Instead the letter "A" (for Antenna) is shown.

References: #13 (closed), #168 (closed), #206 (closed), #228

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