diff --git a/PARAM/SHMS/NGCER/CALIB/pngcer_calib.param b/PARAM/SHMS/NGCER/CALIB/pngcer_calib.param
index 70eacd5fd146c1e7c71a9c512e6e0b870f0b9fab..d81272092841be2a3139c849ac633ecf1bfa0107 100644
--- a/PARAM/SHMS/NGCER/CALIB/pngcer_calib.param
+++ b/PARAM/SHMS/NGCER/CALIB/pngcer_calib.param
@@ -1,2 +1,2 @@
-; Noble gas cherenkov gain factors run 488, July 11 2017 
-pngcer_adc_to_npe = 1.0/438.119/0.0195, 1.0/477.902/0.0195, 1.0/475.153/0.0195, 1.0/488.668/0.0195
\ No newline at end of file
+; Noble gas cherenkov gain factors run 1777
+pngcer_adc_to_npe = 0.40, 0.31, .38, .30
\ No newline at end of file