Antennas still pick up RF signals whether analog or digital, the principal is the same.
One of these will fix you up.
http://www.antennacraft.net/Antennas...llChannel.html
What you need to know before selecting one, are there stations you want to receive on the low and high VHF bands. Very few transmit on low VHF but some areas do have high VHF like DFW with Ch 8 on RF8 and Ch 52 on RF9.