diff --git a/src/gsi/read_obs.F90 b/src/gsi/read_obs.F90
index 69447c39fd..157a61603a 100644
--- a/src/gsi/read_obs.F90
+++ b/src/gsi/read_obs.F90
@@ -261,9 +261,9 @@ subroutine read_obs_check (lexist,filename,jsatid,dtype,minuse,nread)
          kidsat=223
        else if(jsatid == 'npp')then
          kidsat=224
-       else if(jsatid == 'n20')then
+       else if(jsatid == 'n20' .or. jsatid == 'j1')then
          kidsat=225
-       else if(jsatid == 'n21')then
+       else if(jsatid == 'n21' .or. jsatid == 'j2')then
          kidsat=226
        else if(jsatid == 'f08')then
          kidsat=241
diff --git a/src/gsi/read_viirs.f90 b/src/gsi/read_viirs.f90
index 6ffb351825..66923c9896 100644
--- a/src/gsi/read_viirs.f90
+++ b/src/gsi/read_viirs.f90
@@ -192,9 +192,9 @@ subroutine read_sst_viirs(mype,val_viirs,ithin,rmesh,jsatid,&
 
   if (jsatid == 'npp') then
      bufsat = 224
-  elseif (jsatid == 'j1') then
+  elseif (jsatid == 'n20' .or. jsatid == 'j1') then
      bufsat = 225
-  elseif (jsatid == 'n21') then
+  elseif (jsatid == 'n21' .or. jsatid == 'j2') then
      bufsat = 226
   else
      write(*,*) 'READ_SST_VIIRS: Unrecognized value for jsatid '//jsatid//':RETURNING'
diff --git a/util/Ozone_Monitor/nwprod/gdas_oznmon/fix/gdas_oznmon_satype.txt b/util/Ozone_Monitor/nwprod/gdas_oznmon/fix/gdas_oznmon_satype.txt
index 661296163e..9876db3e29 100644
--- a/util/Ozone_Monitor/nwprod/gdas_oznmon/fix/gdas_oznmon_satype.txt
+++ b/util/Ozone_Monitor/nwprod/gdas_oznmon/fix/gdas_oznmon_satype.txt
@@ -1 +1 @@
-gome_metop-b omi_aura sbuv2_n19 ompsnp_npp ompstc8_npp ompsnp_n20 ompstc8_n20 ompslp_npp
+gome_metop-b gome_metop-c omi_aura sbuv2_n19 ompsnp_npp ompstc8_npp ompsnp_n20 ompstc8_n20 ompslp_npp ompsnp_n21 ompstc8_n21
diff --git a/util/Radiance_Monitor/nwprod/gdas_radmon/fix/gdas_radmon_satype.txt b/util/Radiance_Monitor/nwprod/gdas_radmon/fix/gdas_radmon_satype.txt
index 0feae84403..4353561cca 100644
--- a/util/Radiance_Monitor/nwprod/gdas_radmon/fix/gdas_radmon_satype.txt
+++ b/util/Radiance_Monitor/nwprod/gdas_radmon/fix/gdas_radmon_satype.txt
@@ -1,2 +1,2 @@
-abi_g16 abi_g17 abi_g18 ahi_himawari8 ahi_himawari9 amsua_metop-b amsua_metop-c amsua_n15 amsua_n18 amsua_n19 atms_npp atms_n20 avhrr_metop-b avhrr_n18 avhrr_n19 cris-fsr_npp cris-fsr_n20 hirs4_n19 iasi_metop-b iasi_metop-c  mhs_metop-b mhs_metop-c mhs_n19 seviri_m08 seviri_m11 ssmis_f17 ssmis_f18 atms_n21 cris-fsr_n21
+abi_g16 abi_g17 abi_g18 ahi_himawari8 ahi_himawari9 amsua_metop-b amsua_metop-c amsua_n15 amsua_n18 amsua_n19 atms_npp atms_n20 avhrr_metop-b avhrr_n18 avhrr_n19 cris-fsr_npp cris-fsr_n20 hirs4_n19 iasi_metop-b iasi_metop-c  mhs_metop-b mhs_metop-c mhs_n19 seviri_m08 seviri_m11 ssmis_f17 ssmis_f18 atms_n21 cris-fsr_n21 viirs-m_npp viirs-m_j1 viirs-m_j2