All I can tell you is that you need something that will pull in high-band VHF, as that is where the signals for English-language channels KECY 9.x (Fox/ABC/MyNet/CW), KYMA 11.x (NBC/This) and KSWT 13.x (CBS/Tuff TV) originate. All three broadcast from Black Mtn., located NNW of the city. Two other English-language stations come from Telegraph Pass, where I-8 winds through the mountains between Fortuna Foothills and Wellton. Those stations, both low-power, are a digital religious station on ch. 17.x (if it's finally up and running), and an analog KAET-8 (PBS) repeater on ch. 19. For all 5 stations, the RF channel and virtual channel are the same. You shouldn't need an amplified antenna, but you're far enough away from the towers that having an amplified antenna shouldn't overload your TV with signal.
I can give you info on the Spanish-language channels if you request them.