Hookup diagram of UTC(KRIS) & KSF
Cable delays for Time Transfer
Reference cable delays RXs A-P1 Ch.# Amp_1 (E264530BW) Cable_1 Total GPS Z12T(3103) 55.02 2 28.58 28.09 111.69 Z12T(0201) 4 28.51 27.98 111.51 TTS4 6 27.47 25.42 107.91 PLX3 8 27.03 30.36 112.41 E-80 10 28.52 30.4 113.94 GTR51 12 29.25 25.33 109.60 PolaRx4TR(NICT) 15 28.11 28.15 111.28 TW TW1(Asia) 1 27.7 82.72 TW2 3 28.26 83.28 TW3(EU) 5 27.04 82.06
Antenna cable delays
Coordinates Coordinates of G1 G1_1 (E-80) G1_2 (Z12T/0201) G1_3 X: Y: Z: N: E: H: X: -3120374.0676 Y: 4085236.3486 Z: 3763090.6150 N: 36˚23′20.10611″ E: 127˚22′23.57756″ H: 121.109 m G1_4 (PLX1) G1_5 (PLX2) G1_6 (SP) X: -3120374.379 Y: 4085236.765 Z: 3763090.023 N: 36°23′20.08064″ E: 127°22′23.57737″ H: 121.177 m G1_7 (GTR51) G1_8 (TTS4) G1_9 X:-3120374.696 Y: 4085237.194 Z: 3763089.224 N: 36°23’20.04951” E: 127°22’23.57703” H:121.132 m
Antenna cable information Maker Andrew Type FSJ1-50A Length outside the building ~ 30 m
PIT(C)↔Plate 바닥(D) : 11.3 m (7.2+4.1) 전체 케이블 최대 길이: 63.4 미터 TW1 ↔ D : 20.5 m 31.8 + 31.6 = 63.4 (총 케이블 길이) GPS1_3 ↔ D : 15.3 m 26.6 + 31.6 = 58.2 GPS1_7 ↔ D : 19.6 m 26.6 + 31.6 + 4.8 = 63.0 TW2 ↔ D : 13.0 m 24.3 + 31.6 = 55.9 GPS2_3 ↔ D : 7.8 m 19.1 + 31.6 = 50.7 GPS2_7 ↔ D : 12.6 m 19.1 + 31.6 + 4.8 = 55.5 TW3 ↔ D : 5.8 m 17.1 + 31.6 = 48.7 실외 케이블 최대 길이 (C↔E) : 31.8 m 실내 케이블 최대 길이 (A↔C) : 31.6 m PIT(C)↔Plate 바닥(D) : 11.3 m (7.2+4.1) 전체 케이블 최대 길이: 63.4 미터 31.6 (실내최장)+ 31.8(실외최장) TW: LDF1 케이블(500 m) GPS: FSJ1 케이블(400+600 m)
Antenna information TTS-4 GTR-51 Maker Type S/N P/N Maker Type P/N Javad Type RingAnt-G3T S/N 00642 P/N 01-570880-01 GTR-51 Maker Novatel Type GPS-703-GGG P/N 01018146
BIPM Guidelines for GNSS equipment calibration GNSS TT Calibration Campaign @ 2017.04.19. BIPM Guidelines for GNSS equipment calibration PolaRx measurement procedure (Annex E) TIC : trigger level of 1 volt under 50 ohms 19.19 ns 158.66 ns 139.47 ns