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2010-04-30 Whakapunake Aerial Testing

posted Jun 11, 2010, 3:27 PM by Jim Tittsler
Thanks to Roger we now know that the two original aerials from Whakapunake have return losses of about 16db at the 690 transmit frequency (are best, 19 to 20db, between 140 and 142MHz, believe they have been like that since new) and the original top aerial from 680 has a return loss of about 14 db at the 690 transmit frequency (again the best return loss is 16db at 140 MHz). Work is going on to modify the old top 680 aerial for better result as the original Whakapunake aerials are sealed and may not be able to be modified.