From 0d931860667f7c700b60b863e2dff802b2095459 Mon Sep 17 00:00:00 2001
From: Jakob Ketterl <jakob.ketterl@gmx.de>
Date: Thu, 26 Mar 2020 15:36:49 +0100
Subject: [PATCH] drop the passed modulation if the frequency is invalid

---
 htdocs/openwebrx.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/htdocs/openwebrx.js b/htdocs/openwebrx.js
index c9d06d7..0f8540a 100644
--- a/htdocs/openwebrx.js
+++ b/htdocs/openwebrx.js
@@ -1520,8 +1520,8 @@ function parseHash() {
 function validateHash() {
     var params = parseHash();
     params = Object.keys(params).filter(function(key) {
-        if (key == 'freq') {
-            return Math.abs(params[key] - center_freq) < bandwidth;
+        if (key == 'freq' || key == 'mod') {
+            return params.freq && Math.abs(params.freq - center_freq) < bandwidth;
         }
         return true;
     }).reduce(function(p, key) {