Modified the FT8 crc12 using XOR 42 so we do not interfere with standard FT8 stations

2018-08-04 23:13:01 -04:00
parent c1b374b858
commit e3ae807c85
5 changed files with 5 additions and 0 deletions
@@ -26,6 +26,7 @@ subroutine genft8(msg,mygrid,bcontest,i3bit,msgsent,msgbits,itone)
  i1Msg8BitBytes(10)=iand(i1Msg8BitBytes(10),128+64+32)
  i1Msg8BitBytes(11)=0
  icrc12=crc12(c_loc(i1Msg8BitBytes),11)
+  icrc12=xor(icrc12, 42)

 ! For reference, here's how to check the CRC
 !  i1Msg8BitBytes(10)=icrc12/256