_index = radioChannelCreate [[0.96, 0.34, 0.13, 0.8], "Rock Radio", "%UNIT_SIDE", [player]];
waitUntil {
sleep 1;
(count (units (group player))) > 1;
}; // waits until more units in player's group and adds them to the channel
_index radioChannelAdd [((units (group player))-[player])];