public Notcher findUnitByIP(String pIP)
{
    
    for (int i = 0; i < numberOfNotchers; i++) {
        if (notchers[i] != null && notchers[i].ready) {
            if (pIP.equals(notchers[i].ipAddrS)) {
                return (notchers[i]);
            }
        }
    }
    
    return(null);
    
}//end of NotcherGroup::findUnitByIP