Band	Description
[12.41, 12.47] Hz 	Pulsar injection
[16.06, 18.12] Hz 	H1 calibration line
[16.56, 18.62] Hz 	H1 calibration line
[19.97, 20.28] Hz 	ASC dither line
[20.19, 20.25] Hz 	H: EBAY seirack magnetometers - L: Input Mode Cleaner pitch mode. O3B only.
[20.22, 20.28] Hz 	H: EBAY seirack magnetometers - L:Input Mode Cleaner pitch mode. O3B only.
[20.31, 20.38] Hz 	H: BLND_GS13Z - L:Input Mode Cleaner yaw mode. O3B only.
[20.62, 20.94] Hz 	ASC dither line
[21.75, 22.06] Hz 	ASC dither line
[22.19, 22.50] Hz 	ASC dither line
[24.84, 25.16] Hz 	Unknown comb; probably digital; not all comb teeth may be visible
[26.31, 26.38] Hz 	Pulsar injection
[27.31, 27.62] Hz 	Triple suspension bounce mode possibly SRM
[27.56, 27.88] Hz 	SR3 bounce mode
[29.84, 30.16] Hz 	Unknown comb; probably digital; not all comb teeth may be visible
[29.84, 30.16] Hz 	1Hz comb in H and 10Hz comb in L
[31.41, 31.47] Hz 	Pulsar injection
[31.34, 31.66] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[31.34, 31.66] Hz 	1Hz comb with 0.5Hz offset in H and L
[31.78, 32.22] Hz 	environmental identification: link with H corner station accelerometers - regularly intermittent
[32.34, 32.66] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[32.34, 32.66] Hz 	1Hz comb with 0.5Hz offset in H and L
[33.16, 33.22] Hz 	Calibration line nonlinearity
[33.34, 33.66] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[33.34, 33.66] Hz 	1Hz comb with 0.5Hz offset in H and L
[33.84, 34.16] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[35.56, 35.88] Hz 	Environmental disturbance also seen in O1/O2 
[35.38, 36.44] Hz 	H1 calibration line - first two weeks O3
[36.16, 37.22] Hz 	H1 calibration line - first two weeks O3
[37.50, 37.94] Hz 	Pulsar injection
[39.84, 40.16] Hz 	Unknown comb; probably digital; not all comb teeth may be visible
[39.84, 40.16] Hz 	1Hz comb in H and 10Hz comb in L
[40.75, 41.06] Hz 	SR2/MC2 roll mode
[40.78, 41.09] Hz 	PR2 roll mode 
[45.97, 50.03] Hz 	H non-stationary, non-linear noise - scat. light -fixed at end of Sep 2019
[49.84, 50.16] Hz 	environmental identification: In L coherence with many channels including magnetic, seismic and suspension isolation. For LLO harmonic of 10 Hz comb and LHO harmonic of 1Hz comb according to CW studies
[52.78, 52.84] Hz 	Pulsar injection
[53.25, 53.56] Hz 	Calibration line non-linearity (Hanford, central freq rounded to nearest 1/32)
[59.78, 60.22] Hz 	Power Lines
[60.34, 60.66] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[60.84, 61.16] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[61.34, 61.66] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[62.34, 62.66] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[62.84, 63.16] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[63.34, 63.66] Hz 	Unknown 0.5Hz comb; probably digital; not all comb teeth may be visible
[99.84, 100.16] Hz 	Unknown comb; probably digital; not all comb teeth may be visible
[99.84, 100.16] Hz 	1Hz comb in H and 10Hz comb in L
[108.81, 108.88] Hz 	Pulsar injection
[119.78, 120.22] Hz 	Power Lines
[145.06, 145.62] Hz 	Pulsar injection
[174.53, 174.59] Hz 	H: ASC-INP1_Y_OUT,PEM-CS_ADC_4_30_16K_OUT - L:Input Mode Cleaner yaw mode. O3B only.
[179.78, 180.22] Hz 	Power Lines
[189.62, 190.31] Hz 	Pulsar injection
[234.47, 234.66] Hz 	Pulsar injection
[239.78, 240.22] Hz 	Power Lines
[258.44, 258.50] Hz 	L:Input Mode Cleaner yaw mode. O3B only.
[265.47, 265.66] Hz 	Pulsar injection
[276.66, 276.72] Hz 	L:Input Mode Cleaner yaw mode. O3B only.
[299.78, 300.22] Hz 	Power Lines
[330.88, 332.94] Hz 	H1 calibration line
[359.78, 360.22] Hz 	Power Lines
[394.53, 394.84] Hz 	H1 Calibration line non-linearity
[409.91, 409.97] Hz 	H & L:Input Mode Cleaner yaw mode. O3B only.
[409.28, 411.34] Hz 	H1 calibration line
[419.78, 420.22] Hz 	Power Lines
[433.88, 435.94] Hz 	L1 calibration line
[436.38, 436.69] Hz 	Input Mode Cleaner pitch mode
[479.78, 480.22] Hz 	Power Lines
[459.97, 540.03] Hz 	Violin mode 1st harmonic
[539.78, 540.22] Hz 	Power Lines
[575.00, 575.31] Hz 	Pulsar injection
[599.78, 600.22] Hz 	Power Lines
[659.78, 660.22] Hz 	Power Lines
[719.78, 720.22] Hz 	Power Lines
[763.69, 764.00] Hz 	Pulsar injection
[779.78, 780.22] Hz 	Power Lines
[839.78, 840.22] Hz 	Power Lines
[848.72, 849.16] Hz 	Pulsar injection
[889.91, 890.34] Hz 	Pulsar injection
[899.78, 900.22] Hz 	Power Lines
[959.78, 960.22] Hz 	Power Lines
[919.97, 1080.03] Hz 	Violin mode 2nd harmonic
[1019.78, 1020.22] Hz 	Power Lines
[1079.78, 1080.22] Hz 	Power Lines
[1082.06, 1084.12] Hz 	L1 calibration line
[1082.66, 1084.72] Hz 	H1 calibration line
[1139.78, 1140.22] Hz 	Power Lines
[1152.56, 1153.62] Hz 	H1 & L1 Calibration line
[1199.78, 1200.22] Hz 	Power Lines
[1220.12, 1220.69] Hz 	Pulsar injection
[1259.78, 1260.22] Hz 	Power Lines
[1319.78, 1320.22] Hz 	Power Lines
[1379.78, 1380.22] Hz 	Power Lines
[1389.31, 1391.50] Hz 	Pulsar injection
[1439.78, 1440.22] Hz 	Power Lines
[1412.47, 1582.53] Hz 	Violin mode 3rd harmonic
[1499.78, 1500.22] Hz 	Power Lines
[1559.78, 1560.22] Hz 	Power Lines
[1619.78, 1620.22] Hz 	Power Lines
[1679.78, 1680.22] Hz 	Power Lines
[1990.69, 1991.50] Hz 	Pulsar injection
[2990.44, 2991.75] Hz 	Pulsar injection