This file generated: 17/07/2026

README file for HIMAWARI 10 GHMI instrument
25 June 2026

Data has been provided by Yurika Yamada
(Meteorological Satellite Center, Japan Meteorological Agency)
by email. The file containing SRF is named GHMI_Preliminary_Relative_Spectral_Response.xlsx
It is also available at
https://www.data.jma.go.jp/mscweb/en/oper/calibration/hm10/SRF/GHMI_Preliminary_Relative_Spectral_Response.xlsx

7 visible/nir channels (microns)
Band1 0.47
Band2 0.55
Band3 0.64
Band4 0.86
Band5 1.38
Band6 1.61
Band7 2.25

11 infra-red (MWIR/LWIR) channels (microns):
Band8     3.90
Band9     5.15
Band10    6.18
Band11    6.95
Band12    7.34
Band13    8.50
Band14    9.61
Band15    10.35
Band16    11.20
Band17    12.30
Band18    13.30

Download all SRFs: rtcoef_himawari_10_ghmi_srf.tar.gz

Channel 01 Central wavenumber/wavelength: 21285.574 cm-1 / 0.470 microns Comment: 1, channel 1 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch01.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch01.png

Channel 02 Central wavenumber/wavelength: 18197.042 cm-1 / 0.550 microns Comment: 2, channel 2 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch02.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch02.png

Channel 03 Central wavenumber/wavelength: 15762.536 cm-1 / 0.634 microns Comment: 3, channel 3 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch03.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch03.png

Channel 04 Central wavenumber/wavelength: 11574.478 cm-1 / 0.864 microns Comment: 4, channel 4 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch04.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch04.png

Channel 05 Central wavenumber/wavelength: 7271.038 cm-1 / 1.375 microns Comment: 5, channel 5 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch05.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch05.png

Channel 06 Central wavenumber/wavelength: 6218.404 cm-1 / 1.608 microns Comment: 6, channel 6 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch06.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch06.png

Channel 07 Central wavenumber/wavelength: 4448.763 cm-1 / 2.248 microns Comment: 7, channel 7 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch07.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch07.png

Channel 08 Central wavenumber/wavelength: 2567.974 cm-1 / 3.894 microns Comment: 8, channel 8 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch08.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch08.png

Channel 09 Central wavenumber/wavelength: 1941.783 cm-1 / 5.150 microns Comment: 9, channel 9 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch09.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch09.png

Channel 10 Central wavenumber/wavelength: 1619.946 cm-1 / 6.173 microns Comment: 10, channel 10 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch10.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch10.png

Channel 11 Central wavenumber/wavelength: 1442.221 cm-1 / 6.934 microns Comment: 11, channel 11 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch11.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch11.png

Channel 12 Central wavenumber/wavelength: 1363.288 cm-1 / 7.335 microns Comment: 12, channel 12 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch12.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch12.png

Channel 13 Central wavenumber/wavelength: 1179.163 cm-1 / 8.481 microns Comment: 13, channel 13 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch13.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch13.png

Channel 14 Central wavenumber/wavelength: 1041.576 cm-1 / 9.601 microns Comment: 14, channel 14 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch14.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch14.png

Channel 15 Central wavenumber/wavelength: 968.724 cm-1 / 10.323 microns Comment: 15, channel 15 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch15.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch15.png

Channel 16 Central wavenumber/wavelength: 891.927 cm-1 / 11.212 microns Comment: 16, channel 16 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch16.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch16.png

Channel 17 Central wavenumber/wavelength: 815.262 cm-1 / 12.266 microns Comment: 17, channel 17 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch17.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch17.png

Channel 18 Central wavenumber/wavelength: 753.158 cm-1 / 13.277 microns Comment: 18, channel 18 SRF extracted from GHMI_Preliminary_Relative_Spectral_Response.xlsx (release June 2026) SRF data: rtcoef_himawari_10_ghmi_srf_ch18.txt SRF plot: rtcoef_himawari_10_ghmi_srf_ch18.png