Latest symbol  Igate (Generic)
Latest Packet:
Other Packet
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Latest Forwarded:
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Latest Comment:
1/ Uwajima-city Ehime {UIV32N}
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Latest Status:
DX: JR5YCC-3 33.15.65N 132.36.45E 21.6km 26 14:34
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Latest Position4:
33.086, 132.5055
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Nearby locations:
Uwajima , Japan 16.14 km
Kihoku-chō , Japan 25.12 km
Sukumo , Japan 27.19 km
Shimanto , Japan 32.32 km
Latest PHG6:
Power 9 W, Height 6 m, Gain 6 dB omni
(Calculated range: 11.78 km)
Packet frequency:
2993s (Latest 6 packets)
Latest symbol
Search for JA5SAN at QRZ.COM!

(Link to

Nearby stations/objects:
Symbol  JR5YCO-3 12.8 km
Symbol  JR5YCC-3 21.63 km
Symbol  JR5BMM-9 29 km
Symbol  JH5MOV-10 35.14 km
Symbol  WIX 19515  (JH5MOV-10) 35.15 km
Symbol  JA5JMX-10 40.37 km
Symbol  JA5XPN-10 47.23 km
Symbol  JG5MDZ-9 61.25 km
Symbol  JR5YCF-2 79.98 km
Symbol  JH5HOA-10 81.9 km
Symbol  JR5YBQ-2 82.31 km
Symbol  JH5QYZ-8 83.32 km
Symbol  JR5YCG-10 83.6 km
Symbol  JG6YCZ-2 85.55 km
Symbol  JG6YCZ-3 85.55 km

  1. A packet is either recived from the regular APRS-IS servers or from the CWOP servers. Packets received from the APRS-IS servers are sent from ham radio operators, and packets received from the CWOP servers are sent from citizen weather stations.
  2. To get a better understanding of the APRS path I recommend reading the explanation written by wa8lmf.
  3. Used Aprs Device according to the APRS device identification database.
  4. Position accordning to the Google geocoding service, based on the reported latitude and longitude (if we get no valid position from the Google gecoding service we will show the latitude and longitude).
  5. This is the Maidenhead Grid Square Locator, used by ham radio operators to specify a location (using few characters).
  6. PHG stands for Power-Height-Gain (and directivity). The height is not the height above sea-level, it is the height above average terrain (HAAT = Height Above Average Terrain). PHG is used to calculate the relative RF range of a station. If this station has reported several positions or symbols the PHG data will only be used for the position and symbol used in the PHG-packet.
Initial position
Current position

© 2015-2019 Per Qvarforth SM4WJF
All Rights Reserved

In this tab we show all APRS packets of any packet type that has been added to the map.

In this tab we show APRS packets of type position that has been added to the map (note that any station may send a position packet).

In this tab we show all APRS packets of type object or item that has been added to the map.

In this tab we show APRS packets of type weather that has been added to the map (note that any station may send a weather packet, not only weather stations).

In this tab we show APRS packets of type direction finding, telemetry, message, query and status that has been added to the map.

Select date and time to show map data for (enter time for your locale time zone). The regular time length select box can still be used to select how old data that should be shown (relative to selected date and time).

*Note that the heatmap will still based on data from the latest hour (not the selected date and time).

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