VK2SRC/P Vista Point Lookout @1305m 285km 2m and 23cm VK4FB 59+30 VHF/UHF Field Day 28/11/2020

VK2SRC/P Vista Point Lookout @1305 meters 285km 2 m and 23 cm VK4FB 59+30 at 12:40 into the video. I am looking forward in doing that on 13cm and 9cm in the Summer Field Day 28/11/2020

[@vkamateur]

What is that noise that goes through 2m?

[@rolandlang3590]

RF sensing from the 2 meter amplifier it is an old Daiwa LA-2190HK