From 685dc787544ccb4872a289681cf65522e77041f3 Mon Sep 17 00:00:00 2001
From: Adam Wisher <37659188+mrwish7@users.noreply.github.com>
Date: Mon, 22 Jul 2024 20:50:32 +0100
Subject: [PATCH 1/2] Don't check Es mode for low latitudes

Don't worry about checking for sp.E mode if the server location is at a latitude below EU/NA, as no data is available
---
 server/tx_search.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/tx_search.js b/server/tx_search.js
index 998db7d..d3f00c0 100644
--- a/server/tx_search.js
+++ b/server/tx_search.js
@@ -97,7 +97,7 @@ function checkEs() {
 
     if (now - esSwitchCache.lastCheck < esFetchInterval) {
         esSwitch = esSwitchCache.esSwitch;
-    } else {
+    } else if (serverConfig.identification.lat > 20) {
         esSwitchCache.lastCheck = now;
         fetch(url)
         .then(response => response.json())

From 3035013744ea5044493e027493e74de976d55c70 Mon Sep 17 00:00:00 2001
From: Sjef Verhoeven PE5PVB <pe5pvb@het-bar.net>
Date: Thu, 1 Aug 2024 20:05:13 +0200
Subject: [PATCH 2/2] Update RDS Spy message

---
 server/datahandler.js | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/server/datahandler.js b/server/datahandler.js
index 337bc9f..11c6a69 100644
--- a/server/datahandler.js
+++ b/server/datahandler.js
@@ -352,9 +352,31 @@ function handleData(wss, receivedData, rdsWss) {
           modifiedData += errorsNew.toString(16).padStart(2, '0');
         }
 
-        rdsWss.clients.forEach((client) => { // Send to /rds endpoint via WebSocket
-          client.send(modifiedData);
-        });
+		rdsWss.clients.forEach((client) => {
+			let dataString = modifiedData.toString();
+			let lastTwoChars = dataString.slice(-2);
+			let lastByteValue = parseInt(lastTwoChars, 16);
+
+			let truncatedString = dataString.slice(0, -2);
+
+			if ((lastByteValue & 0x03) !== 0) {
+				truncatedString = truncatedString.slice(0, 4) + '----' + truncatedString.slice(8);
+			}
+
+			if ((lastByteValue & 0x30) !== 0) {
+				truncatedString = truncatedString.slice(0, 8) + '----' + truncatedString.slice(12);
+			}
+
+			if ((lastByteValue & 0x0C) !== 0) {
+				truncatedString = truncatedString.slice(0, 12) + '----';
+			}
+
+			let newDataString = "G:\r\n" + truncatedString + "\r\n\r\n";
+
+			let finalBuffer = Buffer.from(newDataString, 'utf-8');
+
+			client.send(finalBuffer);
+		});
 
         rdsparser.parse_string(rds, modifiedData);
         legacyRdsPiBuffer = null;