From 9e8e55eb4f56b6600ebc9d58a9c6e7d0e7dbd3d3 Mon Sep 17 00:00:00 2001
From: Marat Fayzullin <luarvique@gmail.com>
Date: Thu, 14 Mar 2024 20:50:22 -0400
Subject: [PATCH] Adding MID codes for ground stations, by continent.

---
 csdr/chain/toolbox.py |  2 +-
 htdocs/lib/Utils.js   | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/csdr/chain/toolbox.py b/csdr/chain/toolbox.py
index f7340224..97a36af2 100644
--- a/csdr/chain/toolbox.py
+++ b/csdr/chain/toolbox.py
@@ -1,4 +1,4 @@
-from csdr.chain.demodulator import ServiceDemodulator, DialFrequencyReceiver, FixedIfSampleRateChain
+from csdr.chain.demodulator import ServiceDemodulator, DialFrequencyReceiver
 from csdr.module.toolbox import Rtl433Module, MultimonModule, DumpHfdlModule, DumpVdl2Module, Dump1090Module, AcarsDecModule, RedseaModule, SatDumpModule
 from pycsdr.modules import FmDemod, AudioResampler, Convert, Agc, Squelch
 from pycsdr.types import Format
diff --git a/htdocs/lib/Utils.js b/htdocs/lib/Utils.js
index 7ea6218c..2360b2c1 100644
--- a/htdocs/lib/Utils.js
+++ b/htdocs/lib/Utils.js
@@ -204,6 +204,11 @@ Utils.mmsi2country = function(mmsi) {
     return mid in this.MID2COUNTRY? this.MID2COUNTRY[mid] : '';
 };
 
+// Check if a MID corresponds to a ground station.
+Utils.mmsiIsGround = function(mmsi) {
+    return mmsi.substring(0, 2) === '00';
+};
+
 //
 // Local Storage Access
 //
@@ -1015,6 +1020,12 @@ Utils.CALL2COUNTRY = {
 //
 
 Utils.MID2COUNTRY = {
+  "002" : "Ground Station (Europe)",
+  "003" : "Ground Station (North America)",
+  "004" : "Ground Station (Asia)",
+  "005" : "Ground Station (Oceania)",
+  "006" : "Ground Station (Africa)",
+  "007" : "Ground Station (South America)",
   "501" : "Adelie Land (France)",
   "401" : "Afghanistan",
   "303" : "Alaska (USA)",