On the BATTLE GROUND VORTAC (BTG) 173 degree radial at 14.4 nautical miles. (Latitude: 45º30'56"N, Longitude: 122º40'34"W)

Radius: 1 nautical miles

Altitude: From the surface up to and including 1000 feet AGL

Effective Date(s):

From July 16, 2020 at 2100 UTC (July 16, 2020 at 1400 PDT)

To August 16, 2020 at 2100 UTC (August 16, 2020 at 1400 PDT)

What's this mean?

https://tfr.faa.gov/save_pages/detail_0_1203.html