Can I suggest Billboards instead of TV?
This issue of needing to use the best in message delivery has always been a sore point with me in my 30+ years of door to door activity i.e. generally 3 hours a month.
I can clearly remember as a young lad as I went from door to door thinking if we have such a life saving message why no Billboards plastered along the highways warning people of the coming BIG A
Hence I have always been HQ..the HiddenQuestioner