I have connected GPS and sketch as per sample but get only ***** in serial monitor values except for received and checksum.
No other info. Used in open field for 20 mins connected via USB but no results.
Also when connecting to serial monitor it is gibberish at set 115200 rate but I set serial monitor to 57600 and information is displayed correctly.
Any one have any ideas about either issue?

OK I figured it out. Took me a while.

Problem is (that I did not realise) that build 1.5.2 lists Pro Mini as an option but ALSO there is an option now to select 8/16MHz, etc in another new menu. It had defaulted to 16MHz so selecting the correct  frequency fixed the issues.

Should have realised this with my comment about running at 57600 baud instead of the correct 115200.