Hi all,
I found out there was done training for navigators with system Eureka-Rebecca at No. 240 Operational Conversion Unit, North Luffenham, in 1949-50.
They were practicing on Avro Ansons but I am unable to find where were placed the aerials on Anson? There are no visible typical aerials as can be seen on bomber or transport aircraft like Lincoln, Hastings, etc.

Any help much appreciated.