diff --git a/src/gray_params.f90 b/src/gray_params.f90
index f1b78f0..6ebd81d 100644
--- a/src/gray_params.f90
+++ b/src/gray_params.f90
@@ -201,9 +201,9 @@ contains
     write(strout(13), '("# ANT ibeam iox psi chi:",4(1x,g0.4))') &
       params%antenna%ibeam, params%antenna%iox, &
       params%antenna%psi, params%antenna%chi
-    write(strout(14), '("# ANT alpha beta power:",3(1x,g0.3))') &
+    write(strout(14), '("# ANT alpha beta power fghz:",4(1x,g0.3))') &
       params%antenna%alpha, params%antenna%beta, &
-      params%antenna%power
+      params%antenna%power, params%antenna%fghz
     write(strout(15), '("# ANT x0 y0 z0:",3(1x,g0.3))') params%antenna%pos
     write(strout(16), '("# ANT wx wy Rcix Rciy psiw psir:",6(1x,g15.5e1))') &
       params%antenna%w, params%antenna%ri, params%antenna%phi