This nearly mostly works!

RadarrSeries/boot.ks

@@ -0,0 +1,35 @@
+// Written based off CheersKevin's youtube series
+// On programming in KOS
+
+// This script is the boot script for the Radarr 
+// series of surface scanning probes.
+
+
+// This method prints in big letters something on the screen.
+FUNCTION NOTIFY {
+  PARAMETER message.
+  PARAMETER duration IS 5.
+  PARAMETER color IS WHITE.
+
+  HUDTEXT("kOS: " + message, duration, 2, 50, color, false).
+  PRINT message.
+}
+
+NOTIFY("Boot sequence complete, prepare to load and compile the flight scripts.").
+
+IF true { // Set this to false to avoid compiling ascent code.
+  COMPILE "0:/RadarrSeries/radarr_kerbin.ks" TO "1:/ascent.ksm". // Compile the flight code into a ksm object.
+} ELSE {
+  COPYPATH("0:/RadarrSeries/radarr_kerbin.ks", "1:/ascent.ks"). // Copy over our launch script from the archive at ksc
+}
+
+// I changed this!
+
+NOTIFY("Program compiled and ready to run.").
+
+IF alt:radar < 100 { // If our radar alt is lower than 10
+  WAIT 5.
+  RUN ascent.ks. // Run the ascent stage!
+} ELSE {
+  NOTIFY("System booted but did not pass pre-flight checks, aborting excecution!").
+}