diff --git a/predict/index.php b/predict/index.php
index 9c48929..117bce7 100644
--- a/predict/index.php
+++ b/predict/index.php
@@ -230,6 +230,7 @@ google.load("jqueryui", "1.8.1");
                         <option value="h1500">Hwoyee - 1500</option>
                         <option value="h1600">Hwoyee - 1600</option>
                         <option value="h2000">Hwoyee - 2000</option>
+                        <option value="p1200">PAWAN - 1200</option>
                     </select>
                 </td>
             </tr>
diff --git a/predict/js/calc/calc.js b/predict/js/calc/calc.js
index 54af276..5f78399 100644
--- a/predict/js/calc/calc.js
+++ b/predict/js/calc/calc.js
@@ -157,6 +157,9 @@ function find_bd(mb) {
     bds["h1500"] = 9.50;
     bds["h1600"] = 10.50;
     bds["h2000"] = 11.00;
+    // PAWAN data from
+    // https://sites.google.com/site/balloonnewswebstore/1200g-balloon-data
+    bds["p1200"] = 8.0;
 
  
     var bd_c = document.getElementById('bd_c').checked;
@@ -206,6 +209,8 @@ function find_cd(mb) {
     cds["h1500"] = 0.25;
     cds["h1600"] = 0.25;
     cds["h2000"] = 0.25;
+    // PAWAN data also guesswork
+    cds["p1200"] = 0.25;
 
     var cd_c = document.getElementById('cd_c').checked;
     var cd;