Question E2E12
From subelement E2 - E2E
E2E12
Answer: AHow do ALE stations establish contact?
AALE constantly scans a list of frequencies, activating the radio when the designated call sign is received
BALE radios monitor an internet site for the frequency they are being paged on
CALE radios send a constant tone code to establish a frequency for future use
DALE radios activate when they hear their signal echoed by back scatter