ACARS decoder using rtl-sdr

Adam Nielsen a.nielsen at shikadi.net
Tue Jul 16 08:37:31 UTC 2013


> Confirmed to compile on OSX 10.6
> (not possible for me to check if it also compiles under Windows and
> *nix).

This is great, thanks for posting!  It compiles and runs under Linux
with this command:

$ gcc -o rtl_acars rtl_acars.c `pkg-config --cflags --libs librtlsdr
libusb` -lpthread -lm

$ ./rtl_acars -f 131550k
Found 1 device(s):
  0:  Realtek, RTL2832U, SN: 00000991

Using device 0: Generic RTL2832U (e.g. hama nano)
Found Elonics E4000 tuner
Oversampling input by: 21x.
Oversampling output by: 1x.
Buffer size: 8.13ms
Tuned to 131802000 Hz.
Sampling at 1008000 Hz.
Output at 48000 Hz.
Exact sample rate is: 1008000.009613 Hz
Tuner gain set to automatic.
RX_IDX: 0
ACARS mode: B, message label: H1
Aircraft reg: .VH-VYE, flight id: QF0975
Block id: 55,  msg. no: D12A
Message content:-
#DFBYBTLYBBN
AMDAR3AU0138
AJ0LPS3KKSH:LX.9AQD - L///9AJIKN RKLEHCZRU : K///9
U 4 T Q0LCJDDSI V Y///9A M F LKLCJDDS0 U L///9
A Z 5 Q0L7JELS5 Y K///9U P P N0L30FTS2 . V///9
A 8 W OKKYZHKSW W L///9A G O LKKVS
----------------------------------------------------------[16/07/2013
08:35]

RX_IDX: 1
ACARS mode: B, message label: H1
Aircraft reg: .VH-VYE, flight id: QF0975
Block id: 56,  msg. no: D12B
Message content:-
#DFBIBRE M M///9

----------------------------------------------------------[16/07/2013
08:35]

Cheers,
Adam.




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