locked Re: Power Output FT-8 vs msk144

Joe Subich, W4TV

Any clues as to why this is?
FT4/FT8 are multi-tone FSK (constant amplitude) modes: average power =
peak power. MSK144 in a QPSK modulation which has a lower average
power (peak power > average power). Your "power meter" is responding
to the average power (based on its internal time constant) rather than
the actual peak power (PEP).


... Joe, W4TV

On 2021-12-14 12:55 PM, Robert T wrote:
I don't know if this is a setup issue or something in my config.
I have an IC-9700 interfaced to my PC via a microKeyer II.
Everything works as it should however when I TX in FT4/8 my power meter shows 95 watts, which is what I have the radio and levels set to. If I switch the mode to MSK144, my power meter reads approximately 50 watts. This occurs without making any other changes other than the mode.
Any clues as to why this is?
Bob, K2RET

Join Support@HamApps.groups.io to automatically receive all group messages.