Heathrow departure ATIS is now transmitting on 121.935. Others are starting to transmit on "unusual" frequencies.
Apparently, since 1st January 2018, anything flying needs to be fitted with an 8.333kHz radio tuner if it's going to interact with a station transmitting on an 8.333kHz frequency.
From the CAA website...
25 kHz frequencies end with: 00, 25, 50 or 75.
An 8.33 kHz channel will have a 6 digit channel ending: 05, 10, 15, 30, 35, 40, 55, 60, 65, 80, 85 or 90.
Heathrow departure ATIS is now transmitting on 121.935. Others are starting to transmit on "unusual" frequencies.
Apparently, since 1st January 2018, anything flying needs to be fitted with an 8.333kHz radio tuner if it's going to interact with a station transmitting on an 8.333kHz frequency.
From the CAA website...
25 kHz frequencies end with: 00, 25, 50 or 75. An 8.33 kHz channel will have a 6 digit channel ending: 05, 10, 15, 30, 35, 40, 55, 60, 65, 80, 85 or 90.
Simples!