diff --git a/content/posts/2024/65-winlink-on-a-windows-computer-and-a-tx500/index.md b/content/posts/2024/65-winlink-on-a-windows-computer-and-a-tx500/index.md
index 8a8587a..08cd5e5 100644
--- a/content/posts/2024/65-winlink-on-a-windows-computer-and-a-tx500/index.md
+++ b/content/posts/2024/65-winlink-on-a-windows-computer-and-a-tx500/index.md
@@ -7,7 +7,7 @@ summary: >
   (which has an **integrated GPS sensor**).
 # date: 2024-05-11T23:53:55+02:00
 date: 2024-06-01T09:45:09+02:00
-# lastmod: 
+lastmod: 2024-07-08T21:30:25+0000
 coverCaption: Winlink Express
 categories:
 - amateur-radio
@@ -190,7 +190,7 @@ You can achieve this with different methods.
   I try to leave this setting to <kbd>80%</kbd> but I sometimes have to adjust it a bit.
   It is good at <kbd>80%</kbd> for VARA FM, but for ARDOP I often have to increase it to <kbd>100%</kbd>.
 - Change the REF level on your radio.  
-  On the TX-500 I usually maintain a REF level of <kbd>-19</kbd>.
+  On the TX-500 I usually maintain a REF level between <kbd>-12</kbd> and <kbd>-19</kbd>.
 
 ### TX signal