Sweet! I've been making some tweaks and playing around with
gr-airmodes, dump1090.

-Ron / KB1UMH

On Tue, Jul 16, 2013 at 11:10 AM, David Jacobowitz
<[email protected]> wrote:
>
> This is cool! I like the aviation applications! I'm still working on my VOR
> based positioning receiver -- slowly.
>
> Anyway, I compiled on Win32 / MinGW with the following problems:
>
>  - uses getopt which wasn't part of my MinGW, but which is easy enough to
> find.
>
> - unnecessarily includes "libusb.h". The code below does not actually call
> libusb; that's all encapsulated in rtl-sdr, so this isn't necessary (and I'm
> using the binary rtl-sdr lib downloaded from osmocom, so don't even have it
> to include)
>
>  - the Win32 pthread library doesn't have flockfile, funlockfile,
> getc_unlock
>
> I just quick-and-dirty commented them out and I'm sure now the radio thread
> messages and ACARS messages will be intermixed, but mostly the radio spits
> out messages at the start. However, I think it would be easy to put a mutex
> around stdio for this purpose. (Didn't get a chance to try it yet.)
>
> Seems to work! Good work!
>
> Regards,
> -- dave j
>
>
>
>
>
> On 7/16/2013 3:00 AM, [email protected] wrote:
>>
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>> Today's Topics:
>>
>>     1. ACARS decoder using rtl-sdr (Andreas Reinhardt)
>>     2. Re: ACARS decoder using rtl-sdr (Adam Nielsen)
>>
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Mon, 15 Jul 2013 17:54:00 +1000
>> From: Andreas Reinhardt <[email protected]>
>> To: [email protected]
>> Subject: ACARS decoder using rtl-sdr
>> Message-ID: <[email protected]>
>> Content-Type: text/plain; charset=us-ascii
>>
>> Hi everyone,
>>
>> I have combined "rtl_fm" with Thierry Leconte's (GPL'ed) acarsdec library
>> code and created "rtl_acars" which can directly decode ACARS flight info
>> messages to the console. Confirmed to compile on OSX 10.6 (not possible for
>> me to check if it also compiles under Windows and *nix). Feel free to add it
>> as another proof of concept to your distro unless you consider it too much
>> of a quick&dirty hack.
>>
>> Grab the code from: http://pastebin.com/kLJHyQWt
>>
>> Best regards,
>> Andreas
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Tue, 16 Jul 2013 18:37:31 +1000
>> From: Adam Nielsen <[email protected]>
>> To: [email protected]
>> Subject: Re: ACARS decoder using rtl-sdr
>> Message-ID: <[email protected]>
>> Content-Type: text/plain; charset=US-ASCII
>>
>>> 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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