local ms = {peripheral.find "modem"}
local f = fs.open(... or "conf.tbl", "r")
local conf = loadstring("return " .. f.readAll())
f.close()

if not conf or not conf() then error "Configuration file invalid" end
if #ms < 1 then error "Add a modem" end

local pos = {gps.locate()}

while true do
	local actual_config = conf()
    actual_config.ID = os.getComputerID()
	actual_config.location = pos
	for _, m in pairs(ms) do
		m.transmit(666, 666, actual_config)
	end
	print("Transmitting at", os.clock())
	sleep(actual_config.sleep_time or 3)
end