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๐Ÿ›ฐ๏ธ Free Satellite Downlink SpecsNORAD #66655 ยท EARTH_OBS

๐Ÿ‡ฐ๐Ÿ‡ท ๊ตญํ† ์œ„์„ฑ 2ํ˜ธ (์ฐจ์„ธ๋Œ€์ค‘ํ˜•์œ„์„ฑ 2ํ˜ธ ยท CAS500-2)Active ยท ์šฐ์ฃผํ•ญ๊ณต์ฒญ (KASA) ยท ๊ตญํ† ๊ตํ†ต๋ถ€ ยท ํ•œ๊ตญํ•ญ๊ณต์šฐ์ฃผ์‚ฐ์—… (KAI) ยท 2025

๊ตญํ† ์œ„์„ฑ 1ํ˜ธ์™€ ํŽธ๋Œ€ ์šด์šฉ๋˜์–ด ๊ตญํ†  ์ž์› ๊ด€๋ฆฌ ๋ฐ ๋Œ€ํ˜• ์žฌ๋‚œ ๊ธด๊ธ‰ ์ดฌ์˜์„ ์ˆ˜ํ–‰ํ•ฉ๋‹ˆ๋‹ค.

Frequency
X-Band ์˜์ƒ์ „์†ก / S-Band TT&C
Modulation: ํ•ด์ƒ๋„ 0.5m๊ธ‰ ํ‘๋ฐฑ / 2.0m๊ธ‰ ์ปฌ๋Ÿฌ ๊ด‘ํ•™์นด๋ฉ”๋ผ
Orbit Altitude / Inclination
497 km / 97.4ยฐ

๐Ÿ“ก Free Reception Guide

๊ตญํ† ์œ„์„ฑ 1ํ˜ธ์™€ ๋™์ผ ๊ถค๋„๋ฉด์—์„œ ์œ„์ƒ์ฐจ๋ฅผ ๋‘๊ณ  ๊ณต์ „ํ•˜๋ฉฐ ํ•œ๋ฐ˜๋„ ์žฌ๋ฐฉ๋ฌธ ์ฃผ๊ธฐ๋ฅผ ์ ˆ๋ฐ˜์œผ๋กœ ๋‹จ์ถ•ํ•œ ๋ฏผ๊ฐ„ ์ฃผ๋„ ์ œ์ž‘ ์ค‘ํ˜•์œ„์„ฑ์ž…๋‹ˆ๋‹ค(NORAD #66655).

NORAD Two-Line Element (TLE ยท SGP4) โ€” TLE epoch 2026-10-19 04:30 UTC ยท CelesTrak
1 66655U 25274F 26292.18794894 .00001242 00000+0 13989-3 0 9990
2 66655 97.7464 217.4055 0004307 164.5525 195.5825 14.88390256 48590

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

For VHF LEO satellites (137.9 MHz METEOR-M N2-4 LRPT & 145.8 MHz ISS), use a 120ยฐ V-Dipole or QFH circularly polarized antenna with an RTL-SDR V4 dongle and SatDump software.

The in-depth guide (observing, history, FAQ) is currently Korean-only: /ko/wiki/cas500-2

๐Ÿ‡ฐ๐Ÿ‡ท ๊ตญํ† ์œ„์„ฑ 2ํ˜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