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πŸ›°οΈ Free Satellite Downlink SpecsNORAD #69869 Β· EARTH_OBS

πŸ‡°πŸ‡· λ†λ¦Όμœ„μ„± (μ°¨μ„ΈλŒ€μ€‘ν˜•μœ„μ„± 4호 Β· CAS500-4)Active Β· λ†μ΄Œμ§„ν₯μ²­ Β· μ‚°λ¦Όμ²­ Β· μš°μ£Όν•­κ³΅μ²­ (KASA) Β· 2026

식생 ν™œλ ₯도 뢄석에 νŠΉν™”λœ 적색경계(Red-Edge) 파μž₯을 κ°–μΆ˜ λŒ€ν•œλ―Όκ΅­ 졜초의 농림·산림 μ „μš© μœ„μ„±μž…λ‹ˆλ‹€.

Frequency
X-Band μ˜μƒμ „μ†‘ / S-Band TT&C
Modulation: 해상도 5mκΈ‰ κ΄‘μ—­(관츑폭 120km) 5채널 닀쀑뢄광 카메라(적색경계 λ°΄λ“œ 포함)
Orbit Altitude / Inclination
500 km / 97.4Β°

πŸ“‘ Free Reception Guide

120km κ΄‘μ—­ κ΄€μΈ‘ν­μœΌλ‘œ ν•œλ°˜λ„ 전역을 3일 주기둜 μ΄¬μ˜ν•˜μ—¬ λ†μž‘λ¬Ό μž‘ν™©, μ‚°λΆˆ ν”Όν•΄, μ‚°λ¦Ό μƒνƒœκ³„λ₯Ό μ •λ°€ μ§„λ‹¨ν•©λ‹ˆλ‹€(NORAD #69869).

NORAD Two-Line Element (TLE Β· SGP4) β€” TLE epoch 2026-10-18 23:58 UTC Β· CelesTrak
1 69869U 26156A 26291.99912672 .00000260 00000+0 20334-3 0 9995
2 69869 98.9894 190.5109 0010702 281.6126 78.3838 14.00826487 14516

πŸ› οΈ Recommended SDR Receiver Hardware & Decoding Stack

For VHF LEO satellites (137.9 MHz METEOR-M N2-4 LRPT & 145.8 MHz ISS), use a 120Β° 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/cas500-4

πŸ‡°πŸ‡· λ†λ¦Όμœ„μ„± β€” 🌍 Close & Enjoy 3D EarthΒ·Satellite ViewπŸ“» NOAA APT transition guide

🌐 탬왔어 Free Satellite Control β€” Global Space & Satellite Encyclopedia Directory

πŸͺ The SunπŸͺ MercuryπŸͺ VenusπŸͺ EarthπŸͺ MarsπŸͺ JupiterπŸͺ SaturnπŸͺ UranusπŸͺ NeptuneπŸͺ C/2023 A3 (Tsuchinshan-ATLAS)πŸͺ 2P/Encke (Comet Encke Β· 2026-2027 Return)πŸͺ 161P/Hartley-IRAS (2026 Return Comet)πŸͺ 1P/Halley (Halley's Comet)πŸͺ 12P/Pons-Brooks ('Devil Comet')πŸͺ 67P/Churyumov-GerasimenkoπŸ›°οΈ ISS (International Space Station)πŸ›°οΈ GK-2A (Cheollian-2A Geostationary Weather Sat)πŸ›°οΈ METEOR-M N2-4 (Active Primary LRPT Digital Weather Sat)πŸ›°οΈ NOAA-20 (JPSS-1 Β· Active US Polar Weather Satellite)πŸ›°οΈ NOAA-21 (JPSS-2 Β· Newest US Polar Weather Satellite)πŸ›°οΈ NOAA-15/18/19 (APT Decommissioned) β†’ NOAA-20/21 GuideπŸ›°οΈ TERRA (NASA EOS AM-1 Earth Obs)πŸ›°οΈ πŸ‡°πŸ‡· μ²œλ¦¬μ•ˆ 2B호 (GK-2B 정지ꢀ도 ν•΄μ–‘Β·ν™˜κ²½μœ„μ„±)πŸ›°οΈ πŸ‡°πŸ‡· μ•„λ¦¬λž‘ 2호 (KOMPSAT-2 λ‹€λͺ©μ μ‹€μš©μœ„μ„±)πŸ›°οΈ πŸ‡°πŸ‡· μ•„λ¦¬λž‘ 3호 (KOMPSAT-3 μ„œλΈŒλ―Έν„°κΈ‰ κ΄‘ν•™μœ„μ„±)πŸ›°οΈ πŸ‡°πŸ‡· μ•„λ¦¬λž‘ 5호 (KOMPSAT-5 μ „μ²œν›„ μ˜μƒλ ˆμ΄λ” μœ„μ„±)πŸ›°οΈ πŸ‡°πŸ‡· μ•„λ¦¬λž‘ 3A호 (KOMPSAT-3A 광학·적외선 μœ„μ„±)πŸ›°οΈ πŸ‡°πŸ‡· μ•„λ¦¬λž‘ 7호 (KOMPSAT-7 30cmκΈ‰ μ΄ˆκ³ ν•΄μƒλ„ κ΄‘ν•™μœ„μ„±)πŸ›°οΈ πŸ‡°πŸ‡· μ°¨μ„ΈλŒ€μ†Œν˜•μœ„μ„± 2호 (NEXTSat-2 Β· λˆ„λ¦¬ν˜Έ 3μ°¨ μ£Όνƒ‘μž¬)πŸ›°οΈ πŸ‡°πŸ‡· κ΅­ν† μœ„μ„± 1호 (μ°¨μ„ΈλŒ€μ€‘ν˜•μœ„μ„± 1호 Β· CAS500-1)πŸ›°οΈ πŸ‡°πŸ‡· κ΅­ν† μœ„μ„± 2호 (μ°¨μ„ΈλŒ€μ€‘ν˜•μœ„μ„± 2호 Β· CAS500-2)πŸ›°οΈ πŸ‡°πŸ‡· μ°¨μ„ΈλŒ€μ€‘ν˜•μœ„μ„± 3호 (CAS500-3 μš°μ£Όκ³Όν•™Β·κΈ°μˆ κ²€μ¦)πŸ›°οΈ πŸ‡°πŸ‡· λ†λ¦Όμœ„μ„± (μ°¨μ„ΈλŒ€μ€‘ν˜•μœ„μ„± 4호 Β· CAS500-4)✨ TRAPPIST-1 System (7 Earth-sized Planets)✨ Proxima Centauri (Nearest Star System)✨ Kepler-186 System