(current prize is 600 points)
Cryptography Challenge #42: "Sagan's Son's Security Signal"
The goal of this game is decode this file:
36.17647 15.137499 -9.410106 -4.8250914 1.4488225 -1.5477653 -0.5046423 -0.68307716 -2.6868932 0.67552733 1.8101991 -0.2796085 1.6544471 1.9338468 -1.4181416 -1.7121778 -1.1773555 -1.6759595 -0.4364215 -0.2508391 -0.91810495 0.85155034 1.4019876 -0.31662256 -0.59188545 -0.37008923 -0.18376583 0.54208887 -0.74740756 -2.1195002 -0.29271534 0.91882527 -0.20944172 -0.5123837 -0.093892135 0.11434561 0.13276851 -0.9310191 -1.344707 0.06208341 0.5973649 0.32355812 0.65825623 -0.16800745 -1.527802 -1.1279682 -0.24043772 0.15331662 0.38069206 -0.20720962 -0.65308577 -0.08614606 0.09392786 0.013180137 0.24131507 -0.18865734 -0.53359073 -0.13806428 -0.3078763 -0.50686663 0.016538277 -0.07436377 -0.42397887 0.037215985 0.2440401 -0.20800194 -0.5947886 -0.5853143 0.22709128 0.94174945 0.34278426 -0.2350088 -0.10571754 -0.62066627 -1.1657364 -0.5376775 0.285878 0.53921556 0.2698235 -0.37587202 -0.4131328 0.2894462 0.5868436 0.37807608 -0.013421357 -0.48310494 -0.40108263 -0.20039041 -0.68018556 -0.64750934 0.4224988 0.9265789 0.38839424 -0.3160764 -0.6572441 -0.22695655 0.639251 0.9204135 0.41804615 -0.4711272 -0.9791473 -0.35110858 0.33346593 -0.17560959 -0.58777124 0.12988609 0.7174643 0.43394762 -0.016241461 0.019586638 0.5359429 0.652111 -0.15593407 -0.8560326 -0.6327517 0.016196504 0.39032015 0.050330617 -0.49032927 0.010491788 1.0110385 0.8431994 -0.08503242 -0.3743096 -0.04433076 0.27415818 0.24167696 -0.115419276 -0.28627396 -0.08238134 0.1482695 0.13752179 -0.27583206 -0.4888523 0.4687914 1.5392302 0.88794434 -0.5741599 -0.8567245 -0.12712318 0.3762426 0.23881505 -0.08027667 -0.032103866 0.12087968 -0.004127294 0.018954128 0.3269519 0.514439 0.5021382 0.06671661 -0.66754735 -0.56413484 0.34037107 0.57681406 0.16201642 0.23072392 0.6221924 0.43100247 -0.37758505 -0.827258 -0.3350231 0.18676627 0.14541838 0.36317202 0.7030909 0.23409778 -0.26783532 0.13873523 0.65410703 0.48988307 -0.14257956 -0.67680514 -0.6208238 -0.18990257 0.15822 0.44373202 0.43794858 0.10404131 0.12663063 0.32780752 0.106334746 0.027496338 0.3071844 0.28242615 0.03933139 -0.19504502 -0.60577494 -0.78551626 -0.3307197 0.44194937 0.9158002 0.5324311 -0.14467146 0.042056903 0.5158687 0.28555223 0.040456414 0.08494159 -0.30200303 -0.8808577 -0.9479625 -0.3471896 0.6351892 1.0463823 0.47387892 -0.13051736 -0.15160939 0.23918813 0.6233612 0.21041304 -0.6915992 -0.71743095 -0.13689558 0.010253519 0.017044842 0.062396258 -0.12060805 -0.121489525 0.18699166 0.40121493 0.37208462 0.11630355 0.06559533 0.28764373 -0.18126461 -0.9888891 -0.6337597 0.25242755 0.27064466 -0.10278678 -0.16808072 0.0071035028 0.29283017 0.3562628 0.20220527 0.10615879 -0.15992993 -0.38674834 -0.21915019 -0.22237703 -0.2808454 0.20836586 0.40311158 -0.14686471 -0.4428983 -0.2710362 -0.01922682 0.31854796 0.40567762 0.087906435 -0.23807204 -0.31300914 0.08485675 0.4256158 -0.225039 -0.85882187 -0.22497845 0.4255705 0.084836245 -0.3130027 -0.23807788 0.087904274 0.40567297 0.31853604 -0.019224375 -0.2710284 -0.44289827 -0.14685702 0.40311825 0.20835805 -0.28085136 -0.22238141 -0.21915734 -0.3867476 -0.15993004 0.10615522 0.20220855 0.35626644 0.29282635 0.007101059 -0.168081 -0.10278723 0.2706446 0.25242305 -0.63376474 -0.988886 -0.18125999 0.2876418 0.065591425 0.11630266 0.37208414 0.40121377 0.18698674 -0.121493876 -0.120606676 0.062398344 0.017045736 0.010255158 -0.13689639 -0.71743345 -0.69159997 0.21041146 0.6233587 0.23918813 -0.15161115 -0.13051903 0.4738779 1.0463796 0.6351868 -0.34718794 -0.9479597 -0.8808566 -0.30200225 0.084940076 0.0404547 0.285551 0.5158653 0.042052805 -0.14467105 0.53243005 0.9157951 0.44194785 -0.33071944 -0.78551507 -0.60577166 -0.19504467 0.039330266 0.28242517 0.3071829 0.027494967 0.10633448 0.32780743 0.12663034 0.10404082 0.43794733 0.44373167 0.1582205 -0.18990138 -0.62082314 -0.67680484 -0.14258002 0.48988146 0.6541056 0.13873434 -0.26783496 0.23409882 0.703091 0.3631717 0.14541739 0.18676388 -0.3350237 -0.8272562 -0.37758455 0.4310033 0.6221927 0.2307224 0.16201612 0.57681364 0.34037006 -0.56413513 -0.66754717 0.06671849 0.50213856 0.51443744 0.32695073 0.018953443 -0.004128933 0.1208795 -0.032106727 -0.08027685 0.23881601 0.37624308 -0.12712309 -0.85672367 -0.57415825 0.88794273 1.5392288 0.46879005 -0.48885185 -0.27583027 0.13752085 0.14826569 -0.08238041 -0.28627396 -0.11542502 0.24167457 0.2741589 -0.044330515 -0.37431088 -0.08503309 0.8431994 1.0110401 0.010491908 -0.49033 0.050331168 0.3903204 0.016195193 -0.632754 -0.85603297 -0.15593442 0.65210986 0.53594387 0.019586474 -0.016241074 0.43394774 0.71746314 0.12988546 -0.5877708 -0.17561074 0.3334657 -0.35110947 -0.97914773 -0.4711275 0.41804442 0.9204111 0.63925254 -0.22695953 -0.65724444 -0.31607607 0.38839415 0.92657924 0.42249817 -0.6475106 -0.68018675 -0.20039184 -0.4010843 -0.48310602 -0.013420165 0.37807792 0.58684385 0.28944305 -0.41313398 -0.37587726 0.26982185 0.53921545 0.2858775 -0.53767914 -1.1657376 -0.6206661 -0.105718225 -0.23501043 0.34278342 0.9417489 0.22709239 -0.58531386 -0.59479856 -0.20801476 0.24403912 0.037199095 -0.4239871 -0.07436347 0.016537338 -0.50686985 -0.30787864 -0.1380669 -0.5335902 -0.18865454 0.24131757 0.013178706 0.0939244 -0.086149454 -0.65309036 -0.2072142 0.3806923 0.15331066 -0.2404404 -1.1279697 -1.5278045 -0.16800688 0.6582571 0.32355878 0.5973666 0.062082365 -1.3447108 -0.9310224 0.13276699 0.11434513 -0.0938966 -0.51239187 -0.20944342 0.91882074 -0.29271555 -2.119507 -0.74741197 0.54209036 -0.18376619 -0.3700926 -0.5918873 -0.31662464 1.4019932 0.85155165 -0.9181096 -0.2508393 -0.43642792 -1.6759769 -1.1773589 -1.7121974 -1.4181495 1.9338564 1.6544523 -0.2796068 1.8102067 0.67552304 -2.686902 -0.68309003 -0.5046449 -1.5477686 1.4488276 -4.825102 -9.41012 15.137541

Hint 1
Hint 2

Scoreboard
# User Points Time
1 Kit 600 2009-07-02 09:45:58
2 meduza 600 2010-10-15 12:41:26
3 SuicidopoliS 600 2010-10-31 08:21:25
4 nneonneo 600 2010-12-18 21:13:09
5 almasy 600 2011-12-11 01:25:27
6 chocachuba 600 2012-09-06 13:53:03
7 hillarryous 600 2013-04-17 12:00:01
8 carinae 600 2013-04-20 23:43:48
9 Bart13 600 2013-10-21 16:48:11
10 The Gronch 600 2013-12-03 17:27:35
11 easy 600 2014-01-24 08:03:09
12 Svetonio 600 2014-10-09 04:21:10
13 eXtremeShippuuden 600 2015-06-25 22:26:52
14 taiman 600 2018-02-04 06:45:07
15 Kuro 600 2018-09-25 07:45:03
16 Bogdan 600 2020-04-22 13:26:34

Your answer (Capitalization, white space, and punctuation don't matter!)


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