I have tested RP-10 and 14 , five weekdays and IARU HF 24 hours.
Thank you.
To write a brief paper, I would like to know two point below.
(1) RP-10 could run only 6 bands at the same time
RP-14=8 bands , RP-16=8x2=16 bands . is it right ?
I'm not sure about the RP-10, I thought it was also 8 bands. RP-14 is definitely 8 bands, and RP-16 = 8x2 = 16, correct.
(2) RP-10 and RP-14 need step down transformer and pre-amp Instead, RP-16 need NOT Both.
Yes, RP-10 and RP-14 both need to have 14:1 impedance transformers (and shunt jumpers moved on both inputs), and they need about a 10 dB preamp.
I am not sure if the RP-16 needs a preamp. Maybe only on one antenna input, just for the high bands. But it is easily overloaded (intermod) by nearby FM broadcast stations between 88 and 108 Mhz, and needs a lowpass filter. A preamp could make the problem worse.
73,
Bob, N6TV