Spent some time, last night, comparing the reception of a Sony 7600GR and a Tecsun PL660. Used only the extendable built-in antennas. While the Tecsun was generally more sensitive, there were some signals (particularly from transpolar routes) that were fairly strong on the Sony, yet virtually inaudible on the Tecsun. African and Oceania signals, however, were far stronger on the Tecsun. Explanations?

Mike Bryant