SP9UOB-P30 wystartował
    SP6KZ pisze:

    Takie pytanko ode mnie.
    Co jakiś czas w komentarzu ramki pojawia się dodatkowa informacja np.

    LOG: *=#idVTBB64yXUgTv1ACjl2j!BEIblLOIvCeDAA*

    LOG: *d.6d$ipe64'K3jXz2AXLSjU-kqXV=`YmE1>GAA*

    Jakie jest to kodowanie i jest chronione hasłem? wesoły


Nie jest chronione hasłem, bo być nie może - w końcu to pasmo amatorskie :-)

to dwie sklejone 16 bajtowe struktury:

struct tracklog {
time_t timestamp;
double lat,lon;
unsigned long altitude;
};

dające 32 bajty danych (2 pozycje w historii trasy) zakodowane lekko zmodyfikowanym kodem base91 - tak aby można przesyłać dane przez not 8-bit safe link.

Tak się to dekoduje:

[verox@trinity linux]$ ./logdump | sort | uniq
2017-06-15,06:29:08,50.265366,18.654806,1040
2017-06-15,09:30:33,48.588238,20.364281,13648
2017-06-15,12:30:38,46.564930,23.103071,13526
2017-06-15,15:30:54,44.226715,25.663034,13592
2017-06-16,02:49:03,39.772564,35.829479,13685
2017-06-16,04:49:29,39.845589,38.747360,13618
2017-06-16,07:49:34,40.002014,42.656979,13631
2017-06-16,10:50:29,40.910748,46.200161,13589
2017-06-16,13:50:51,42.347389,49.838081,13580
2017-06-16,15:55:14,43.428951,52.264130,13622
2017-06-17,00:34:27,46.526772,61.095097,13695
2017-06-17,02:34:34,47.083309,62.402260,13686
2017-06-17,05:35:58,48.176971,64.066765,13693
2017-06-17,08:36:05,49.205765,65.638092,13699
2017-06-17,11:36:26,50.131550,67.193092,13781
2017-06-17,15:37:11,51.117645,68.502518,13677
2017-06-17,23:19:21,53.196167,70.352234,13701
2017-06-18,01:20:36,53.800980,70.557999,13715
2017-06-18,04:20:46,55.072998,70.658585,13569
2017-06-18,07:22:09,56.568020,71.255417,13644
2017-06-18,10:22:38,57.614910,72.064682,13597
2017-06-18,13:23:50,58.531578,72.197250,13650
2017-06-18,22:26:57,62.190651,75.008179,13479
2017-06-19,00:27:02,62.905029,76.090004,13541
2017-06-19,03:27:28,63.538895,77.677467,13490
2017-06-19,06:27:58,64.641533,78.073013,13485
2017-06-19,09:28:42,66.377945,80.662346,13465
2017-06-19,12:30:13,67.237526,85.570503,13482
2017-06-19,19:48:23,67.561752,94.867958,13422
2017-06-19,21:55:26,67.802963,97.555092,13356
2017-06-20,00:56:16,67.918442,102.813568,13446
2017-06-20,03:57:42,67.341721,108.352943,13453
2017-06-20,06:58:25,66.349564,112.685066,13476
2017-06-20,09:59:08,65.297371,115.696732,13484
2017-06-20,19:56:47,61.778706,122.783440,13585
2017-06-20,22:57:38,60.354984,123.618896,13607
2017-06-21,01:58:32,59.277069,123.990120,13548
2017-06-21,04:59:43,58.263374,124.055191,13589
2017-06-21,08:00:30,57.473133,123.347984,13623
2017-06-21,20:02:21,54.489861,120.501221,13593
2017-06-21,22:02:25,54.294079,119.420967,13654
2017-06-22,01:03:02,54.057163,118.249649,13666
2017-06-22,04:03:44,53.631207,116.938072,13621
2017-06-22,07:04:27,53.487186,115.616234,13600
2017-06-22,10:05:29,53.371063,114.762077,13634
2017-06-22,12:21:52,53.032341,113.965950,13651
2017-06-22,20:57:02,52.311760,111.018768,13632
2017-06-22,22:58:09,51.812901,110.501411,13637
2017-06-23,01:59:22,51.181107,109.135735,13643
2017-06-23,05:00:26,50.786232,108.128716,13652
2017-06-23,08:01:16,50.248573,107.522919,13716
2017-06-23,11:01:41,49.535622,107.080482,13701
2017-06-23,21:49:32,45.550751,105.859680,13660
2017-06-24,00:50:03,43.774075,105.985260,13665
2017-06-24,03:51:08,42.384327,106.503990,13737
2017-06-24,06:52:16,41.090908,107.934959,13707
2017-06-24,09:53:54,40.045025,110.532707,13702
2017-06-24,21:07:52,37.718895,122.313820,13654
2017-06-24,23:08:27,37.810242,124.965454,13674
2017-06-25,02:09:48,38.151073,128.488434,13673
2017-06-25,05:11:07,39.125374,132.300491,13695
2017-06-25,08:12:11,39.818462,136.611343,13645
2017-06-25,18:58:03,44.380871,151.675354,13543
2017-06-25,21:58:31,45.588604,156.049896,13646
2017-06-26,00:59:07,46.175987,160.392807,13721
2017-06-26,03:59:50,46.457779,165.392517,13710
2017-06-26,07:00:09,45.784393,171.161850,13719
2017-06-26,16:43:33,41.353214,-170.029892,13969
2017-06-26,19:44:25,39.556526,-165.827866,14075
2017-06-26,22:45:14,37.809452,-163.652374,14216
2017-06-27,01:45:17,36.140717,-162.199554,14302
2017-06-27,04:45:22,34.386181,-161.258148,14343
2017-06-27,16:49:32,28.314762,-166.017334,14422
2017-06-27,19:49:59,27.450720,-168.620422,14443
2017-06-27,22:50:53,26.105221,-171.261505,14429
2017-06-28,01:51:14,24.272545,-173.492325,14345
2017-06-28,04:52:02,23.079182,-175.956909,14348
2017-06-28,18:35:57,19.386353,172.374664,14294
2017-06-28,21:37:10,17.156103,172.749191,14317
2017-06-29,00:37:52,14.968515,173.847580,14304
2017-06-29,03:38:54,14.554673,175.212708,14348
2017-06-29,17:38:32,19.995905,-174.094330,14303
2017-06-29,19:38:57,20.256712,-172.929901,14395
2017-06-29,22:39:38,21.433861,-171.188354,14423
2017-06-30,01:40:24,23.080994,-169.251877,14307
2017-06-30,04:41:07,24.826809,-167.277664,14396
2017-06-30,16:31:27,32.657570,-162.585312,14287
2017-06-30,19:31:55,34.234711,-161.473114,14324
2017-06-30,22:32:40,35.644840,-160.323120,14309
2017-07-01,01:33:27,37.140152,-159.160080,14293
2017-07-01,04:34:16,39.052090,-157.357788,14250
2017-07-01,14:40:51,44.327290,-144.853363,13978
2017-07-01,17:41:16,46.126957,-141.304581,13935
2017-07-01,20:42:10,47.652832,-136.875320,13861
2017-07-01,23:42:16,48.691639,-132.297394,13880
2017-07-02,02:44:11,48.989277,-127.989082,13891
2017-07-02,12:29:21,45.567936,-119.745972,14028
2017-07-02,14:30:40,44.726139,-119.194588,14068
2017-07-02,17:30:42,43.860645,-118.404724,14140


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