diff --git a/.dialyzer_ignore.exs b/.dialyzer_ignore.exs
index d86b1ed..fe51488 100644
--- a/.dialyzer_ignore.exs
+++ b/.dialyzer_ignore.exs
@@ -1,6 +1 @@
-[
-  {{"lib/parser.ex", 1}, :pattern_match, "The pattern can never match the type."},
-  {{"lib/parser.ex", 893}, :pattern_match, "The pattern can never match the type."},
-  {{"lib/parser.ex", 324}, :pattern_match_cov,
-   "The pattern :variable_ can never match, because previous clauses completely cover the type {:error, <<_::224>>}."}
-]
+[]
diff --git a/lib/aprs_web/live/map_live/index.ex b/lib/aprs_web/live/map_live/index.ex
index c2f9389..9f8237f 100644
--- a/lib/aprs_web/live/map_live/index.ex
+++ b/lib/aprs_web/live/map_live/index.ex
@@ -1154,7 +1154,7 @@ defmodule AprsWeb.MapLive.Index do
     {lat1, lng1, _} = MapHelpers.get_coordinates(packet1)
     {lat2, lng2, _} = MapHelpers.get_coordinates(packet2)
 
-    abs(lat1 - lat2) > 0.00001 || abs(lng1 - lng2) > 0.00001
+    abs(lat1 - lat2) > 0.0001 || abs(lng1 - lng2) > 0.0001
   end
 
   # Fetch historical packets from the database
diff --git a/lib/aprs_web/live/packets_live/index.html.heex b/lib/aprs_web/live/packets_live/index.html.heex
index 8dc8b8f..222d95c 100644
--- a/lib/aprs_web/live/packets_live/index.html.heex
+++ b/lib/aprs_web/live/packets_live/index.html.heex
@@ -59,7 +59,7 @@
                 %{} = data_ext -> Map.get(data_ext, :latitude) || Map.get(data_ext, "latitude")
                 _ -> nil
               end %>
-          {if lat,
+          {if not is_nil(lat),
             do:
               (is_float(lat) and :io_lib.format("~.6f", [lat]) |> List.to_string()) or
                 (is_binary(lat) and Regex.replace(~r/(\d+\.\d{1,6})\d*/, lat, "\\1")) or lat,
@@ -80,7 +80,7 @@
                 %{} = data_ext -> Map.get(data_ext, :longitude) || Map.get(data_ext, "longitude")
                 _ -> nil
               end %>
-          {if lon,
+          {if not is_nil(lon),
             do:
               (is_float(lon) and :io_lib.format("~.6f", [lon]) |> List.to_string()) or
                 (is_binary(lon) and Regex.replace(~r/(\d+\.\d{1,6})\d*/, lon, "\\1")) or lon,
diff --git a/lib/parser.ex b/lib/parser.ex
index a3b832f..4c121b1 100644
--- a/lib/parser.ex
+++ b/lib/parser.ex
@@ -58,6 +58,7 @@ defmodule Parser do
 
   def parse(_), do: {:error, :invalid_packet}
 
+  @spec do_parse(String.t()) :: parse_result()
   defp do_parse(message) do
     with {:ok, [sender, path, data]} <- split_packet(message),
          {:ok, callsign_parts} <- parse_callsign(sender),
@@ -101,12 +102,6 @@ defmodule Parser do
          data_extended: data_extended,
          received_at: DateTime.truncate(DateTime.utc_now(), :microsecond)
        }}
-    else
-      {:error, reason} when is_binary(reason) ->
-        case reason do
-          "Invalid packet format" -> {:error, "Invalid packet format"}
-          _ -> {:error, reason}
-        end
     end
   rescue
     _ ->
@@ -288,7 +283,7 @@ defmodule Parser do
 
   def parse_data(:raw_gps_ultimeter, _destination, data) do
     case Parser.Helpers.parse_nmea_sentence(data) do
-      {:error, error} when is_binary(error) ->
+      {:error, error} ->
         %{
           data_type: :raw_gps_ultimeter,
           error: error,
@@ -297,16 +292,6 @@ defmodule Parser do
           latitude: nil,
           longitude: nil
         }
-
-      _ ->
-        %{
-          data_type: :raw_gps_ultimeter,
-          error: "Invalid NMEA sentence",
-          nmea_type: nil,
-          raw_data: data,
-          latitude: nil,
-          longitude: nil
-        }
     end
   end
 
diff --git a/test/parser/ax25_test.exs b/test/parser/ax25_test.exs
index 46024b0..3d865db 100644
--- a/test/parser/ax25_test.exs
+++ b/test/parser/ax25_test.exs
@@ -9,6 +9,10 @@ defmodule Parser.AX25Test do
       assert {:ok, {"CALL", "1"}} = AX25.parse_callsign("CALL-1")
     end
 
+    test "parses callsign with multiple dashes" do
+      assert {:ok, {"CALL-1-EXTRA", "0"}} = AX25.parse_callsign("CALL-1-EXTRA")
+    end
+
     test "parses callsign without dash" do
       assert {:ok, {"CALL", "0"}} = AX25.parse_callsign("CALL")
     end