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๐Ÿ›ฐ๏ธ Free Satellite Downlink SpecsNORAD #45246 ยท EARTH_OBS

๐Ÿ‡ฐ๐Ÿ‡ท ์ฒœ๋ฆฌ์•ˆ 2Bํ˜ธ (GK-2B ์ •์ง€๊ถค๋„ ํ•ด์–‘ยทํ™˜๊ฒฝ์œ„์„ฑ)Active ยท ํ•ด์–‘์ˆ˜์‚ฐ๋ถ€ ยท ํ™˜๊ฒฝ๋ถ€ ยท KARI ยท 2020

์ฒœ๋ฆฌ์•ˆ 2Aํ˜ธ์™€ ๋‚˜๋ž€ํžˆ ๋™๊ฒฝ 128.2๋„ ์ƒ๊ณต์„ ์ง€ํ‚ค๋Š” ๋Œ€ํ•œ๋ฏผ๊ตญ ์ •์ง€๊ถค๋„ ํ•ด์–‘ยท๋Œ€๊ธฐํ™˜๊ฒฝ ๊ฐ์‹œ ์œ„์„ฑ์ž…๋‹ˆ๋‹ค.

Frequency
X-Band / S-Band (GOCI-II ยท GEMS ๊ด€์ธก์ž๋ฃŒ ๊ตญ๋ฆฝํ•ด์–‘์กฐ์‚ฌ์›ยท์—์–ด์ฝ”๋ฆฌ์•„ ๊ณต๊ฐœ)
Modulation: GOCI-II (ํ•ด์–‘ 250m) / GEMS (๋Œ€๊ธฐํ™˜๊ฒฝ ๋ฏธ์„ธ๋จผ์ง€ยท์˜ค์กด)
Orbit Altitude / Inclination
35,786 km / 0.02ยฐ

๐Ÿ“ก Free Reception Guide

๋™๊ฒฝ 128.2๋„ ์ •์ง€๊ถค๋„์—์„œ ์„ธ๊ณ„ ์ตœ์ดˆ๋กœ ๋ฏธ์„ธ๋จผ์ง€ยท์ด์‚ฐํ™”์งˆ์†Œยท์˜ค์กด ์ด๋™(GEMS)๊ณผ ์ ์กฐยท๋…น์กฐ(GOCI-II)๋ฅผ ์ฃผ๊ฐ„ ๋งค์‹œ๊ฐ„ ๊ด€์ธกํ•ฉ๋‹ˆ๋‹ค. ํ™˜๊ฒฝ๋ถ€ ์—์–ด์ฝ”๋ฆฌ์•„ ๋ฐ ๊ตญ๋ฆฝํ•ด์–‘์กฐ์‚ฌ์›์—์„œ ๋ฌด๋ฃŒ๋กœ ์˜์ƒ์„ ์—ด๋žŒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

NORAD Two-Line Element (TLE ยท SGP4) โ€” TLE epoch 2026-10-18 22:56 UTC ยท CelesTrak
1 45246U 20013B 26291.95583791 -.00000341 00000+0 00000+0 0 9991
2 45246 0.0392 29.8025 0001757 210.1866 259.8480 1.00271267 24522

๐Ÿ› ๏ธ Recommended SDR Receiver Hardware & Decoding Stack

For Geostationary L-Band (1692.14 MHz GK-2A) reception, use a 1.7 GHz parabolic grid dish antenna, Nooelec SAWbird+ GOES LNA filter, RTL-SDR Blog V4, and SatDump.

The in-depth guide (observing, history, FAQ) is currently Korean-only: /ko/wiki/gk2b-cheollian

๐Ÿ‡ฐ๐Ÿ‡ท ์ฒœ๋ฆฌ์•ˆ 2Bํ˜ธ โ€” ๐ŸŒ Close & Enjoy 3D EarthยทSatellite View๐Ÿ“ป NOAA APT transition guide

๐ŸŒ ํƒฌ์™”์–ด Free Satellite Control โ€” Global Space & Satellite Encyclopedia Directory

๐Ÿช The Sun๐Ÿช Mercury๐Ÿช Venus๐Ÿช Earth๐Ÿช Mars๐Ÿช Jupiter๐Ÿช Saturn๐Ÿช Uranus๐Ÿช Neptune๐Ÿช C/2023 A3 (Tsuchinshan-ATLAS)๐Ÿช 2P/Encke (Comet Encke ยท 2026-2027 Return)๐Ÿช 161P/Hartley-IRAS (2026 Return Comet)๐Ÿช 1P/Halley (Halley's Comet)๐Ÿช 12P/Pons-Brooks ('Devil Comet')๐Ÿช 67P/Churyumov-Gerasimenko๐Ÿ›ฐ๏ธ ISS (International Space Station)๐Ÿ›ฐ๏ธ GK-2A (Cheollian-2A Geostationary Weather Sat)๐Ÿ›ฐ๏ธ METEOR-M N2-4 (Active Primary LRPT Digital Weather Sat)๐Ÿ›ฐ๏ธ NOAA-20 (JPSS-1 ยท Active US Polar Weather Satellite)๐Ÿ›ฐ๏ธ NOAA-21 (JPSS-2 ยท Newest US Polar Weather Satellite)๐Ÿ›ฐ๏ธ NOAA-15/18/19 (APT Decommissioned) โ†’ NOAA-20/21 Guide๐Ÿ›ฐ๏ธ TERRA (NASA EOS AM-1 Earth Obs)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ์ฒœ๋ฆฌ์•ˆ 2Bํ˜ธ (GK-2B ์ •์ง€๊ถค๋„ ํ•ด์–‘ยทํ™˜๊ฒฝ์œ„์„ฑ)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ์•„๋ฆฌ๋ž‘ 2ํ˜ธ (KOMPSAT-2 ๋‹ค๋ชฉ์ ์‹ค์šฉ์œ„์„ฑ)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ์•„๋ฆฌ๋ž‘ 3ํ˜ธ (KOMPSAT-3 ์„œ๋ธŒ๋ฏธํ„ฐ๊ธ‰ ๊ด‘ํ•™์œ„์„ฑ)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ์•„๋ฆฌ๋ž‘ 5ํ˜ธ (KOMPSAT-5 ์ „์ฒœํ›„ ์˜์ƒ๋ ˆ์ด๋” ์œ„์„ฑ)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ์•„๋ฆฌ๋ž‘ 3Aํ˜ธ (KOMPSAT-3A ๊ด‘ํ•™ยท์ ์™ธ์„  ์œ„์„ฑ)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ์•„๋ฆฌ๋ž‘ 7ํ˜ธ (KOMPSAT-7 30cm๊ธ‰ ์ดˆ๊ณ ํ•ด์ƒ๋„ ๊ด‘ํ•™์œ„์„ฑ)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ์ฐจ์„ธ๋Œ€์†Œํ˜•์œ„์„ฑ 2ํ˜ธ (NEXTSat-2 ยท ๋ˆ„๋ฆฌํ˜ธ 3์ฐจ ์ฃผํƒ‘์žฌ)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ๊ตญํ† ์œ„์„ฑ 1ํ˜ธ (์ฐจ์„ธ๋Œ€์ค‘ํ˜•์œ„์„ฑ 1ํ˜ธ ยท CAS500-1)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ๊ตญํ† ์œ„์„ฑ 2ํ˜ธ (์ฐจ์„ธ๋Œ€์ค‘ํ˜•์œ„์„ฑ 2ํ˜ธ ยท CAS500-2)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ์ฐจ์„ธ๋Œ€์ค‘ํ˜•์œ„์„ฑ 3ํ˜ธ (CAS500-3 ์šฐ์ฃผ๊ณผํ•™ยท๊ธฐ์ˆ ๊ฒ€์ฆ)๐Ÿ›ฐ๏ธ ๐Ÿ‡ฐ๐Ÿ‡ท ๋†๋ฆผ์œ„์„ฑ (์ฐจ์„ธ๋Œ€์ค‘ํ˜•์œ„์„ฑ 4ํ˜ธ ยท CAS500-4)โœจ TRAPPIST-1 System (7 Earth-sized Planets)โœจ Proxima Centauri (Nearest Star System)โœจ Kepler-186 System