diff --git a/hud.lua b/hud.lua
index 7e526e8..4effa50 100644
--- a/hud.lua
+++ b/hud.lua
@@ -1,70 +1,70 @@
-
-function ham_radio.init_hud(player)
-    local name = player:get_player_name()
-    ham_radio.playerhuds[name] = player:hud_add({
-		hud_elem_type = "text",
-		text = "",
-		position = ham_radio.settings.hud_pos,
-		offset = { x = ham_radio.settings.hud_offset.x, y = ham_radio.settings.hud_offset.y },
-		alignment = ham_radio.settings.hud_alignment,
-		number = 0xFFFFFF,
-		scale= { x = 100, y = 20 },
-    })
-end
-
-
-function ham_radio:update_hud_display(player)
-    local transmitter_signal = 0
-
-    local name = player:get_player_name()
-    local item = player:get_wielded_item()
-
-    if item:get_name() ~= "ham_radio:receiver" then
-        if self.playerlocators[name] then
-          player:hud_change(self.playerhuds[name], "text", "")
-          self.playerlocators[name] = false
-        end
-        return
-    end
-    self.playerlocators[name] = true
-	
-	local meta = item:get_meta()
-	local frequency = meta:get_string("frequency")
-
-	minetest.chat_send_player(player:get_player_name(), "Configured freq:"..frequency)
-	
-	if frequency ~= nil and frequency ~= "" then
-		local transmitter = self.read_transmitter(frequency)
-		-- minetest.chat_send_player(player:get_player_name(), "Found transmitter:"..minetest.serialize(transmitter))
-		if transmitter.pos then
-			transmitter_signal = self:locate_transmitter(player, transmitter.pos)
-		end
-	end
-	-- local target_pos = {x=-407, y = 59, z = 70}
-
-    --local indicator = string.rep('|', transmitter.distance)..string.rep('|', transmitter.signal)..string.rep(':', 25-(transmitter.distance + transmitter.signal))
-	local indicator = string.rep('|', transmitter_signal)..string.rep(':', 20 - transmitter_signal)
-
-    local text = "[ Frequency: "..tostring(meta:get_string("frequency")).." ]"..indicator
-
-    player:hud_change(self.playerhuds[name], "text", text)
-end
-
-minetest.register_on_newplayer(ham_radio.init_hud)
-minetest.register_on_joinplayer(ham_radio.init_hud)
-
-minetest.register_on_leaveplayer(function(player)
-	ham_radio.playerhuds[player:get_player_name()] = nil
-end)
-
-local updatetimer = 0
-minetest.register_globalstep(function(dtime)
-	updatetimer = updatetimer + dtime
-	if updatetimer > 0.1 then
-		local players = minetest.get_connected_players()
-		for i=1, #players do
-			ham_radio:update_hud_display(players[i])
-		end
-		updatetimer = updatetimer - dtime
-	end
-end)
+
+function ham_radio.init_hud(player)
+  local name = player:get_player_name()
+  ham_radio.playerhuds[name] = player:hud_add({
+    hud_elem_type = "text",
+    text = "",
+    position = ham_radio.settings.hud_pos,
+    offset = { x = ham_radio.settings.hud_offset.x, y = ham_radio.settings.hud_offset.y },
+    alignment = ham_radio.settings.hud_alignment,
+    number = 0xFFFFFF,
+    scale= { x = 100, y = 20 },
+  })
+end
+
+
+function ham_radio:update_hud_display(player)
+  local transmitter_signal = 0
+
+  local name = player:get_player_name()
+  local item = player:get_wielded_item()
+
+  if item:get_name() ~= "ham_radio:receiver" then
+    if self.playerlocators[name] then
+      player:hud_change(self.playerhuds[name], "text", "")
+      self.playerlocators[name] = false
+    end
+    return
+  end
+  self.playerlocators[name] = true
+  
+  local meta = item:get_meta()
+  local frequency = meta:get_string("frequency")
+
+  minetest.chat_send_player(player:get_player_name(), "Configured freq:"..frequency)
+  
+  if frequency ~= nil and frequency ~= "" then
+    local transmitter = self.read_transmitter(frequency)
+    -- minetest.chat_send_player(player:get_player_name(), "Found transmitter:"..minetest.serialize(transmitter))
+    if transmitter.pos then
+      transmitter_signal = self:locate_transmitter(player, transmitter.pos)
+    end
+  end
+  -- local target_pos = {x=-407, y = 59, z = 70}
+
+    --local indicator = string.rep('|', transmitter.distance)..string.rep('|', transmitter.signal)..string.rep(':', 25-(transmitter.distance + transmitter.signal))
+  local indicator = string.rep('|', transmitter_signal)..string.rep(':', 20 - transmitter_signal)
+
+  local text = "[ Frequency: "..tostring(meta:get_string("frequency")).." ]"..indicator
+
+  player:hud_change(self.playerhuds[name], "text", text)
+end
+
+minetest.register_on_newplayer(ham_radio.init_hud)
+minetest.register_on_joinplayer(ham_radio.init_hud)
+
+minetest.register_on_leaveplayer(function(player)
+  ham_radio.playerhuds[player:get_player_name()] = nil
+end)
+
+local updatetimer = 0
+minetest.register_globalstep(function(dtime)
+  updatetimer = updatetimer + dtime
+  if updatetimer > 0.1 then
+    local players = minetest.get_connected_players()
+    for i=1, #players do
+      ham_radio:update_hud_display(players[i])
+    end
+    updatetimer = updatetimer - dtime
+  end
+end)
diff --git a/init.lua b/init.lua
index 2dac7c2..37d234d 100644
--- a/init.lua
+++ b/init.lua
@@ -4,29 +4,29 @@ local mod_storage = minetest.get_mod_storage()
 ham_radio = rawget(_G, "ham_radio") or {}
 
 ham_radio = {
-	playerhuds = {},
-	playerlocators = {},
-	settings = {
-		hud_pos = { x = 0.45, y = 0.7 },
-		hud_offset = { x = 15, y = 15 },
-		hud_alignment = { x = 1, y = 0 }
-	}
+  playerhuds = {},
+  playerlocators = {},
+  settings = {
+    hud_pos = { x = 0.45, y = 0.7 },
+    hud_offset = { x = 15, y = 15 },
+    hud_alignment = { x = 1, y = 0 }
+  }
 }
 
 function ham_radio.save_transmitter(frequency, transmitter_data)
-	mod_storage:set_string(tostring(frequency), minetest.write_json(transmitter_data))
+  mod_storage:set_string(tostring(frequency), minetest.write_json(transmitter_data))
 end
 
 function ham_radio.read_transmitter(frequency)
-	local transmitter_data = mod_storage:get_string(tostring(frequency))
-	if transmitter_data ~= nil and transmitter_data ~= "" then
-		return minetest.parse_json(transmitter_data)
-	end
-	return {}
+  local transmitter_data = mod_storage:get_string(tostring(frequency))
+  if transmitter_data ~= nil and transmitter_data ~= "" then
+    return minetest.parse_json(transmitter_data)
+  end
+  return {}
 end
 
 function ham_radio.delete_transmitter(frequency)
-	mod_storage:set_string(tostring(frequency), nil)
+  mod_storage:set_string(tostring(frequency), nil)
 end
 
 dofile(modpath.."/transmitter.lua")
@@ -37,5 +37,3 @@ dofile(modpath.."/hud.lua")
 -- TODO: configure transmitter
 -- TODO: craft pelengator
 -- TODO: set pelengator frequency
-
-
diff --git a/receiver.lua b/receiver.lua
index 8b1bcb3..1bf193a 100644
--- a/receiver.lua
+++ b/receiver.lua
@@ -1,64 +1,63 @@
--- 		minetest.chat_send_player(user:get_player_name(), "Itemstack"..meta:get_string("frequency").."^"..itemstack:get_name())
-
-
-minetest.register_tool("ham_radio:receiver", {
-	description = "Ham Radio Receiver",
-	wield_image = "ham_radio_receiver_wield.png",
-	inventory_image = "ham_radio_receiver_wield.png",
-	groups = { disable_repair = 1 },
-	on_use = function(itemstack, user, pointed_thing)		
-		local meta = itemstack:get_meta()
-		local frequency = meta:get_string("frequency")
-		minetest.show_formspec(user:get_player_name(), "ham_radio:configure_receiver", 
-			"size[4,3]"..
-			"field[0.25,0.25;3,1;frequency;Frequency;"..tostring(frequency).."]"..
-			"button_exit[0.25,1.5;3,1;;Done]"
-		)
-		return itemstack
-	end,
-})
-
-minetest.register_on_player_receive_fields(function(player, formname, fields)
-	if formname ~= "ham_radio:configure_receiver" or not minetest.is_player(player) then
-        return false
-    end
-    if fields.frequency == "" or fields.frequency == nil then
-		return false
-    end
-	local item = player:get_wielded_item()
-	local meta = item:get_meta()
-    meta:set_string("frequency", fields.frequency)
-	player:set_wielded_item(item) -- replace wielded item with new metadata
-	return true
-end)
-	
-	
-minetest.register_craft({
-  output = "ham_radio:receiver",
-  recipe = {
-    {"default:glass"},
-    {"default:steel_ingot"},
-    {"default:glass"},
-  }
-})
-
-function ham_radio:locate_transmitter(player, transmitter_pos)
-    local player_pos = player:get_pos()
-    local player_look_vector = player:get_look_dir()
-    local player_direction = vector.add(player_pos, player_look_vector)
-
-    local distance = vector.distance(player_pos, transmitter_pos)
-
-    -- local distance_to_target = 13 - math.floor(math.log(distance*30))
-    local distance_to_target = 24 - math.floor(2 * math.log(distance*10))
-
-    local distance2 = vector.distance(player_direction, transmitter_pos)
-    local signal_power = 1 - ((1 + distance2 - distance) / 2)
-
-	return math.floor(distance_to_target * signal_power);
-	
-    --return {
-    --   distance = distance_to_target,
-    --   signal = signal_power
-    -- }
-end
\ No newline at end of file
+-- 		minetest.chat_send_player(user:get_player_name(), "Itemstack"..meta:get_string("frequency").."^"..itemstack:get_name())
+
+
+minetest.register_tool("ham_radio:receiver", {
+  description = "Ham Radio Receiver",
+  wield_image = "ham_radio_receiver_wield.png",
+  inventory_image = "ham_radio_receiver_wield.png",
+  groups = { disable_repair = 1 },
+  on_use = function(itemstack, user, pointed_thing)
+    local meta = itemstack:get_meta()
+    local frequency = meta:get_string("frequency")
+    minetest.show_formspec(user:get_player_name(), "ham_radio:configure_receiver",
+      "size[4,3]"..
+      "field[0.25,0.25;3,1;frequency;Frequency;"..tostring(frequency).."]"..
+      "button_exit[0.25,1.5;3,1;;Done]"
+    )
+    return itemstack
+  end,
+})
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+  if formname ~= "ham_radio:configure_receiver" or not minetest.is_player(player) then
+    return false
+  end
+  if fields.frequency == "" or fields.frequency == nil then
+    return false
+  end
+  local item = player:get_wielded_item()
+  local meta = item:get_meta()
+  meta:set_string("frequency", fields.frequency)
+  player:set_wielded_item(item) -- replace wielded item with new metadata
+  return true
+end)
+
+minetest.register_craft({
+  output = "ham_radio:receiver",
+  recipe = {
+    {"default:glass"},
+    {"default:steel_ingot"},
+    {"default:glass"},
+  }
+})
+
+function ham_radio:locate_transmitter(player, transmitter_pos)
+  local player_pos = player:get_pos()
+  local player_look_vector = player:get_look_dir()
+  local player_direction = vector.add(player_pos, player_look_vector)
+
+  local distance = vector.distance(player_pos, transmitter_pos)
+
+  -- local distance_to_target = 13 - math.floor(math.log(distance*30))
+  local distance_to_target = 24 - math.floor(2 * math.log(distance*10))
+
+  local distance2 = vector.distance(player_direction, transmitter_pos)
+  local signal_power = 1 - ((1 + distance2 - distance) / 2)
+
+  return math.floor(distance_to_target * signal_power);
+
+  --return {
+  --   distance = distance_to_target,
+  --   signal = signal_power
+  -- }
+end
diff --git a/transmitter.lua b/transmitter.lua
index 506e263..4365c12 100644
--- a/transmitter.lua
+++ b/transmitter.lua
@@ -1,51 +1,50 @@
-
-minetest.register_craft({
-	output = "ham_radio:transmitter",
-	recipe = {
-		{"default:glass"},
-		{"default:mese"},
-		{"default:steel_ingot"},
-	}
-})
-
-minetest.register_node("ham_radio:transmitter", {
-        description = "Ham Radio Transmitter",
-        tiles = {"ham_radio_transmitter_top.png", "ham_radio_transmitter.png"},
-        groups = {cracky=2,oddly_breakable_by_hand=2},
-        sounds = default.node_sound_metal_defaults(),
-        light_source = 5,
-		on_construct = function(pos)
-			local meta = minetest.get_meta(pos)
-			meta:set_string(
-					"formspec", 
-					"size[6,8]"..
-					"field[0.25,0.25;3,1;frequency;Frequency;${frequency}]"..
-					"button_exit[1.5,7.5;3,1;;Done]"
-				)
-			meta:set_string("infotext", '')
-		end,
-		on_receive_fields = function(pos, formname, fields, sender)
-			if fields.quit ~= "true" then
-				return
-			end
-			if fields.frequency ~= nil and fields.frequency ~= '' then
-				local meta = minetest.get_meta(pos)
-				meta:set_string("frequency", fields.frequency)
-				meta:set_string("infotext", 'Frequency: '..fields.frequency)
-				ham_radio.save_transmitter(fields.frequency, {
-					pos = pos,
-					broadcast_message = "Test Ham Radio Broadcast!"
-				})
-			end
-		end,
-        can_dig = function(pos,player)
-                local meta = minetest.get_meta(pos);
-                local inv = meta:get_inventory()
-                local name = player:get_player_name()
-                return inv:is_empty("main") and not minetest.is_protected(pos, name)
-        end,
-		after_dig_node = function(pos, oldnode, oldmetadata, player)
-			ham_radio.delete_transmitter(oldmetadata.fields.frequency)
-		end
-    }
-);
\ No newline at end of file
+
+minetest.register_craft({
+  output = "ham_radio:transmitter",
+  recipe = {
+    {"default:glass"},
+    {"default:mese"},
+    {"default:steel_ingot"},
+  }
+})
+
+minetest.register_node("ham_radio:transmitter", {
+  description = "Ham Radio Transmitter",
+  tiles = {"ham_radio_transmitter_top.png", "ham_radio_transmitter.png"},
+  groups = {cracky=2,oddly_breakable_by_hand=2},
+  sounds = default.node_sound_metal_defaults(),
+  light_source = 5,
+  on_construct = function(pos)
+    local meta = minetest.get_meta(pos)
+    meta:set_string(
+      "formspec", 
+      "size[6,8]"..
+      "field[0.25,0.25;3,1;frequency;Frequency;${frequency}]"..
+      "button_exit[1.5,7.5;3,1;;Done]"
+    )
+    meta:set_string("infotext", '')
+  end,
+  on_receive_fields = function(pos, formname, fields, sender)
+    if fields.quit ~= "true" then
+      return
+    end
+    if fields.frequency ~= nil and fields.frequency ~= '' then
+      local meta = minetest.get_meta(pos)
+      meta:set_string("frequency", fields.frequency)
+      meta:set_string("infotext", 'Frequency: '..fields.frequency)
+      ham_radio.save_transmitter(fields.frequency, {
+        pos = pos,
+        broadcast_message = "Test Ham Radio Broadcast!"
+      })
+    end
+  end,
+  can_dig = function(pos,player)
+    local meta = minetest.get_meta(pos);
+    local inv = meta:get_inventory()
+    local name = player:get_player_name()
+    return inv:is_empty("main") and not minetest.is_protected(pos, name)
+  end,
+  after_dig_node = function(pos, oldnode, oldmetadata, player)
+    ham_radio.delete_transmitter(oldmetadata.fields.frequency)
+  end
+});