good afternoon, commissioners, and thanks for the opportunity for comment, my name is al barna, and i a co-founder of a small nonprofit organization called san francisco neon. and our mission statement is to save san francisco's rich commercial neon heritage. we do this through neon education, restoration and preservation. we publish books, conduct walking tours, and make presentations that celebrate the city's colorful neon landscape. some of san francisco's most iconic and historic neon signs are the two rooftop signs on the palace hotel. these signs of grace at downtown skyline for over 75 years, they joined the port of san francisco, the hills brothers coffee, and the huntington and clift hotels as the last of the city's spectacular neon, rooftop neon signs. it's our opinion that approving the plan to convert the palace hotel neon signs to an led lighting system would be a poor decision on several fronts. this misguided decision to alter the signs will compromise their integrity, as well as their historic and artistic value. the harsh, intense and one directional light produced by