The Cue Corporation has submitted a letter to the DAB Subcommittee of the National Radio Systems Committee regarding its concerns about proper tests and procedures with respect to interference between IBOC and FM subcarrier data transmission.
Cue Corporation claims that IBOC will interfere with FM subcarrier signals. Furthermore, it urges the subcommittee to include type and signal compositions of FM subcarrier and audio multiplex signals in the IBOC compatibility testing.
b.m. cox