F4IOZJN18FS
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F4IOZOlivier · radio amateur · JN18FS

FRENESDEITPT

Decode an APRS frame

Paste a frame in the TNC2 form (APRS-IS's, a TNC monitor's or SatMe's APRS tab's): sender, destination, path, type, position, symbol, weather, message, telemetry, comment — explained one by one. Nothing is kept.

Examples:position and speedrelayed by the ISSMic-Eweathermessagecompressed positiontelemetryobject

Header

Sender
F4ABC-11SSID 11: balloon, aircraft, spacecraft
Destination
APRSGeneric destination, no software named.

Path

Relay 1
WIDE2-1WIDE2-1: 2 hop(s) asked, 1 left

Data

Type
telemetryGiven by the data's first character, “T”.

Telemetry

Sequence
005
Analogue channel 1
199raw value (0 to 255); PARM/EQNS give its name and scale
Analogue channel 2
000raw value (0 to 255); PARM/EQNS give its name and scale
Analogue channel 3
255raw value (0 to 255); PARM/EQNS give its name and scale
Analogue channel 4
073raw value (0 to 255); PARM/EQNS give its name and scale
Analogue channel 5
123raw value (0 to 255); PARM/EQNS give its name and scale
Bits
01101001eight on/off states