Cutting the cable, lets talk options and media setups

I was wondering if someone could clear something up for me. I cut the cord in February however, I'm still receiving cable. As others stated, many times you still receive the cable feed until someone comes out on a service call in the area to physically disconnect me from the box at the street. I've already purchased my antenna and tried it out to make sure it works, just haven't gone to it since I'm still receiving everything except the cable HD channels (still getting local affiliates in HD).

Here's the issue:
Cable One will begin a switch from analog to an all-digital lineup Oct. 3, which for many South Mississippians may mean buying a digital device to access the new lineup. Niemann said an all-digital device will be required by all customers unless they have a CableCard, a CableCard device, a Motorola receiver, TiVo or a DVR.
Read more here: Cable One has devices for South Mississippians to aid the switch to digital | News | The Sun Herald

So does this mean my free cable will come to an end here shortly? And does this mean I will need this device for my antenna to work? I purchased the Clearstream 4 from Antennas Direct.