Add comments, some standardizing

examples/JustTransmit/JustTransmit.ino

@@ -1,4 +1,15 @@
-/* Just Transmit */
+/* Hamshield
+ * Example: Just Transmit
+ * This example continuously transmits.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Plug a pair of headphones with 
+ * built-in mic into the HamShield. Connect the Arduino to 
+ * wall power and then to your computer via USB. After 
+ * uploading this program to your adruino, open the Serial 
+ * Monitor to monitor the program's progress. After setup is 
+ * complete, tune a HandyTalkie (HT) to 144.025MHz. Listen on 
+ * the HT for the HamShield broadcasting from the mic.
+*/
 
 #include <HamShield.h>
 
@@ -33,7 +44,7 @@ void setup() {
 
 void loop() {
   radio.bypassPreDeEmph();
-  radio.frequency(144000);
+  radio.frequency(144025);
   // radio.setTxSourceNone();
   radio.setModeTransmit();
   for(;;) { }