diff --git a/sims/generate_spectra.pl b/sims/generate_spectra.pl
index 4846c03e4da617263e90cb710dc33da68b1bf1df..8cf54b944491a74bf38f642b56b5f4cdbc541450 100755
--- a/sims/generate_spectra.pl
+++ b/sims/generate_spectra.pl
@@ -288,7 +288,7 @@ switch ($site) {
   }
   case "and" {
     $modatm=get("Atmospheric model selection ", "19", "$atmcrd");
-    $altitude=5800e2;
+    $altitude=4200e2;
     $bx=19.6922;
     $bz=-14.2420;
   }
diff --git a/sims/rain.pl b/sims/rain.pl
index f2ebdc514453520249a8f6355fb73381eeb28246..b7cf287e125afb0dbb50a7f4afbd8f436df0bd9a 100755
--- a/sims/rain.pl
+++ b/sims/rain.pl
@@ -478,7 +478,7 @@ for ($i=0; $i<$nofruns; $i++) {
       }
     case "and" {
         $modatm=get("Atmospheric model selection ", "19", "$atmcrd");
-        $altitude=5800e2;
+        $altitude=4200e2;
         $bx=19.6922;
         $bz=-14.2420;
         $arrang="0";