Home Antenna cuts 15% off orders of $75 or more via coupon code "OLYMPICS". It's tied with our mention from two weeks ago as the best percent-off coupon we've seen this year from Home Antenna, which sells indoor, outdoor, USB, and other TV antennas. Shipping adds a flat $12.95, or get free shipping with after-discount orders of $100 or more. Deal ends August 12.
Update: The coupon now takes 15% off all orders with no minimum required.