They are a slate gray on the top and white underneath. I thought of a titmouse, but these birds don't have the tuft on their heads. They are agressive, fighting off other birds and even sometimes their own species. Maybe all birds are this way, but these little gray ones seem more agressive than others at the feeders.
Figure 3.6 An independent BSS (IBSS) is the most basic type of 802.11 wireless LAN. Figure 3.7 An Extended Service Set (ESS) 802.11 wireless LAN consists of multiple cells interconnected by access points and a distribution system, such as ethernet.
RDS basics RDS operation PTY codes RDS acronyms. RDS or Radio Data System is standard on most car radios and hi-fi tuners today. RDS is used on VHF FM radio broadcast transmissions and provides a number of facilities that are of great use to all radio listeners, but particularly to those radio listeners in cars.