diff --git a/README.md b/README.md
index c7bdbd7..949ddd6 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ All configs in ```config.h```
 Shift 450Hz
 
 * ```CALLSIGN``` RTTY callsign
-* ```APRS_CALLSIGN``` APRS callsign
+* ```APRS_CALLSIGN``` APRS callsign, 6 characters. If your callsign is shorter add spaces
 * ```APRS_SSID``` APRS SSID
 * ```APRS_COMMENT``` APRS comment
 * ```RTTY_TO_APRS_RATIO``` number of RTTY frames between each APRS frame
@@ -52,7 +52,6 @@ Have a nice day ;)
 
 
 #TODO
- * We need someone who maintains CoIDE support
  * Adding support for EmbiTZ IDE
  * Adding support for platform independent IDE Eclipse
  * More APRS config options
@@ -60,4 +59,4 @@ Have a nice day ;)
  * Pressure sensor
  * implementing protocol for using external devices on extension header
  * Configuration via extension header (serial connection) without need for reflashing firmware
- * Possibly add configuration "wireless" using RFID loop present in sonde
\ No newline at end of file
+ * Possibly add configuration "wireless" using RFID loop present in sonde
diff --git a/config.h b/config.h
index 49de141..8d0e61a 100644
--- a/config.h
+++ b/config.h
@@ -15,8 +15,8 @@
 
 
 //**************config**********************
-#define CALLSIGN "DF8OE" // put your RTTY callsign here
-#define APRS_CALLSIGN "DF8OE" // put your APRS callsign here
+#define CALLSIGN "NOCALL" // put your RTTY callsign here
+#define APRS_CALLSIGN "NOCALL" // put your APRS callsign here, 6 characters. If your callsign is shorter add spaces
 #define APRS_SSID 'B' // put your APRS SSID here
 // 0 --> Your primary station usually fixed and message capable
 // 1 --> generic additional station, digi, mobile, wx, etc.