[Israel.pm] When is your bus going to arrive?

Scott Weisman sweisman at pobox.com
Thu Nov 28 03:01:34 PST 2013


Code is now up:

https://github.com/windytan/darcdec

Most of it in Perl. This is some incredible work.


On Thu, Nov 28, 2013 at 10:55 AM, Scott Weisman <sweisman at pobox.com> wrote:

> She is quite the capable hacker, and she uses Perl extensively!
>
> I believe the bus stop displays here use the same system. Where I live,
> the devices are solar powered (thus clearly off-grid). They could be fed by
> cellular data, but I doubt it.
>
> I saw her post and would really like to do this myself. I have the needed
> RTL-SDR unit. Unfortunately, she hasn't published the code she wrote, and
> seems reluctant to do so.
>
> However, even with just rudimentary RF signal understanding, it is
> probably possible to to adapt an RDS decoder (she published code for one,
> and there is another that uses GNU Radio) to this purpose.
>
> Further, all this info is published by the Transport Ministry. They
> provide what I believe is a free feed, but like anything bureaucratic, they
> make you go through hoops to get the feed server:
>
>
> http://he.mot.gov.il/index.php?option=com_content&view=article&id=2243:pub-trn-memchakim&catid=167:pub-trn-dev-info&Itemid=304
>
> The data is published using an open standard (SIRI, not to be confused
> with Apple's Siri!). But it seems overly complex to me.
>
> I think getting the data from the FM DARC channel is way cooler though.
>
>
> On Thu, Nov 28, 2013 at 9:09 AM, Gabor Szabo <gabor at szabgab.com> wrote:
>
>> See how it is done in Helsinki:
>> http://www.windytan.com/2013/11/decoding-radio-controlled-bus-stop.html
>>
>> Can it be done in Tel Aviv or elsewhere in Israel?
>>
>> Gabor
>> _______________________________________________
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>> Perl at perl.org.il
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>
>
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