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Packet decoder

Paste one raw APRS-IS line to see what every part of it means, and exactly where and why a line that does not decode goes wrong.

Try a position, a Mic-E position, a weather report, a message, a broken line

Position Decoded without problems

N0CALL-13>APRS,TCPIP*,qAC,N0CALL-1:@092345z4903.50N/07201.75W_220/004g005t077r000p000P000h50b10132

Header

  • Source N0CALL-13 The station that sent it N0CALL-13
  • SSID -13: by custom a weather station The APRS SSID list is a custom, not a rule. -13
  • Destination Tocall APRS: generic, names no device APRS
  • Path Came in over the internet (qAC) TCPIP*,qAC,N0CALL-1
  • Hop 1 TCPIP: came from the internet, not the air TCPIP*
  • q construct qAC: Sent over the internet by the station itself, on a verified login to the APRS-IS server named next. qAC
  • Server N0CALL-1: the APRS-IS server it came in on N0CALL-1

Data type

  • Data type Position with a timestamp, and the station can do messages @
  • Messaging Yes: '@' says it takes APRS messages @
  • Time Day 9 of the month at 23:45 UTC (day, hour, minute; z for zulu) 092345z

Position

  • Latitude 49.058333° N (49° 03.50′ as sent) 4903.50N
  • Longitude 72.029167° W (72° 01.75′ as sent) 07201.75W
  • Symbol table '/': the primary table /
  • Symbol '_': Weather station _
  • Coordinates 49.05833, -72.02917 4903.50N/07201.75W

Weather

  • Wind direction 220° 220
  • Wind speed 4 mph, sustained over a minute 004
  • Gust 5 mph, the peak in the last five minutes From the g field. g005
  • Temperature 77 °F From the t field. t077
  • Rain in the last hour 0 hundredths of an inch From the r field. r000
  • Rain in the last 24 hours 0 hundredths of an inch From the p field. p000
  • Rain since midnight 0 hundredths of an inch From the P field. P000
  • Humidity 50% From the h field. h50
  • Pressure 1013.2 hPa (tenths of a millibar) From the b field. b10132