Hello everyone

After many years of dreaming of getting in to the hobby the trifecta finally came in, that being time, resources (money) and a place to fly. I've ordered my trainer and it's on it's way. Which brings me to some questions that after poking around the forums for 2-3 hours I didn't find. I would appreciate it if someone knowledgeable with any of these issues could give me their insight.

1. I have a relatively large field to work with but there is a major electric tower transmission line (believe 500KV) that dissects the pasture east to west. Using the lower 5 acres I'm able to secure a clear flying field of approximately 200 yards X 100 yards with an approximate 100 yard minimum separation from the towers. Finding out that the radio transmitter is FM based, my concerns are not as they once were about interference with the radio signal. Do I have a potential problem with this and need to start worrying about this again?

2. There is an airport approximately 1/2 mile due south whose runway runs east and west. Being to the north I am not in any landing/takeoff path and besides, what sane person would want to be anywhere near those 500KV transmission towers in a plane. I do not plan on flying any higher than approximately 200 feet. Reading the AMA's guideline they say over 400 feet within 3 miles of an airport but I want to make sure I'm not in any conflict with the aircraft involved with the airport. The airport is a field strip with no tower and approximately 150 takeoffs/landings per year total, if that many. What is the proper etiquette/protocol concerning flying and surrounding airports?

I appreciate anyones input on these matters to help make this not only enjoyable but more importantly a SAFE experience for me and anyone affected by it. I do plan on joining a club in the area but am just now doing the research on what's available in the area.