At work we had what appears to be an old Channel Master antenna that is installed above the roofline on a pole secured up the side of the building. Its been there a long time; we moved in over 6 years ago and it was there then.
Anyway, I located the coaxial above the drop ceiling tiles, attached it using a HDHomeRun.Extend dual tuner that I bought before Tablo, but hadn't yet used, and successfully received signals from over 80 channels including ABC 8. So evidently the ClearStream 2V at home cannot detect the 186 MHz VHF, unfortunately, only higher band VHF.
I connected the HDHomeRun.Extend to Plex DVR to record the ABC channels I can't at home.
I wish Tablo would put together a functional database of areas and antennas rather than the searching manually through a long list of reported uses.