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Name:
JR4KDC-10
Source1:
APRS-IS
Symbol:
Latest symbol  Digipeater (digipeater is also an IGate)
Latest Packet:
Position Packet
Receive Time:
Age:
Path2:
APU25N via TCPIP*,qAC,T2EHIME
Device3:
Unknown
Latest Forwarded:
JH4QHO-2
Receive Time:
1539783214
Latest Comment:
2/HIROSHIMA 144.64MHz 9.6k {UIV32N}
Receive Time:
(Received in latest packet)
Latest Status:
DX: JE4YKP-2 34.22.37N 132.16.68E 23.8km 272E 21:54
Receive Time:
1539781260
Latest Position4:
34.367, 132.536666666667
Receive Time:
(Received in latest packet)
 
Locator5:
Nearby locations:
Hiroshima , Japan 8.76 km
Etajima , Japan 15.2 km
Kure , Japan 15.24 km
Hatsukaichi , Japan 18.76 km
Latest PHG6:
Power 9 W, Height 12 m, Gain 7 dB North East
(Calculated range: 17.64 km)
Packet frequency:
1636s (Latest 11 packets)
Latest symbol
Search for JR4KDC at QRZ.COM!

(Link to www.qrz.com)

 
Nearby stations/objects:
Symbol  JQ1ZZU-2 5.54 km
Symbol  JH4QHO-9 6.1 km
Symbol  MCCOY  (JE4YKI-13) 9.19 km
Symbol  JH4QHO-2 11.37 km
Symbol  WX RADAR  (JH4GQC) 11.94 km
Symbol  WIR-32062  (JH4GQC) 12.16 km
Symbol  JH4GQC 12.18 km
Symbol  EL-917416  (JH4GQC) 12.2 km
Symbol  MATSUMOTO  (JE4YKI-13) 13.07 km
Symbol  YAMATO-MS  (JO4DLN-10) 14.08 km
Symbol  JO4DLN-13 15.72 km
Symbol  WIR-13270  (JO4DLN-10) 15.72 km
Symbol  JO4DLN-10 15.72 km
Symbol  EL-618609  (JO4DLN-10) 15.72 km
Symbol  EL-996813  (JE6FPO-10) 15.76 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.
© 2015-2018 APRS Direct, Per Qvarforth. All Rights Reserved.
Initial position
Current position
Ruler
PHG
© 2015-2018 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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