From 43b6bf7fc8f2cc184ede6d51aa98453ca3ffbf7e Mon Sep 17 00:00:00 2001
From: Christopher Young <cyoung@gmail.com>
Date: Thu, 31 Dec 2015 11:18:07 -0500
Subject: [PATCH 1/5] Change compiler flags dump978.

---
 dump978/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dump978/Makefile b/dump978/Makefile
index 2d4aebb3..6645fdc3 100644
--- a/dump978/Makefile
+++ b/dump978/Makefile
@@ -1,4 +1,4 @@
-CFLAGS+=-O2 -g -Wall -Werror -Ifec
+CFLAGS+=-O2 -Wall -Werror -Ifec
 LDFLAGS=
 LIBS=-lm
 CC=gcc

From bb23bd507f2a46706830934c35e068ae65c7e5ca Mon Sep 17 00:00:00 2001
From: Christopher Young <cyoung@gmail.com>
Date: Thu, 31 Dec 2015 23:44:47 -0500
Subject: [PATCH 2/5] Fix CPU status byte bug. Change link to spec.

---
 main/gen_gdl90.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/main/gen_gdl90.go b/main/gen_gdl90.go
index 50ff54de..a3b17bd6 100644
--- a/main/gen_gdl90.go
+++ b/main/gen_gdl90.go
@@ -349,7 +349,7 @@ func makeOwnshipGeometricAltitudeReport() bool {
 /*
 
 	"SX" Stratux GDL90 message.
-	http://hiltonsoftware.com/stratux/StratuxStatusMessage-V01.pdf
+	http://hiltonsoftware.com/stratux/ for latest version (currently using V104)
 
 */
 
@@ -492,7 +492,7 @@ func makeSXHeartbeat() []byte {
 	v := uint16(float32(10.0) * globalStatus.CPUTemp)
 
 	msg[26] = byte((v & 0xFF00) >> 8)
-	msg[27] = byte(v * 0xFF)
+	msg[27] = byte(v & 0xFF)
 
 	// Number of ADS-B towers.
 	num_towers := uint8(len(ADSBTowers))

From f3a90a3d613bce568770b144a15a35c7e81981cd Mon Sep 17 00:00:00 2001
From: Christopher Young <cyoung@gmail.com>
Date: Sat, 2 Jan 2016 22:33:06 -0500
Subject: [PATCH 3/5] Remove dump978 binary copy from build process.

---
 image/spindle/wheezy-stage4 | 1 -
 1 file changed, 1 deletion(-)

diff --git a/image/spindle/wheezy-stage4 b/image/spindle/wheezy-stage4
index 5a547a5e..d372e81a 100755
--- a/image/spindle/wheezy-stage4
+++ b/image/spindle/wheezy-stage4
@@ -135,7 +135,6 @@ cd stratux
 make www
 make xdump978
 make xdump1090
-cp -f dump978/dump978 /usr/bin/
 cp -f dump1090/dump1090 /usr/bin/
 
 mv /tmp/gen_gdl90 /usr/bin/gen_gdl90

From 65e82714b4642488ccade1efb333626ccd93808a Mon Sep 17 00:00:00 2001
From: Christopher Young <cyoung@gmail.com>
Date: Sun, 3 Jan 2016 13:46:26 -0500
Subject: [PATCH 4/5] Add SBS1 message type comments.

---
 main/traffic.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/main/traffic.go b/main/traffic.go
index 05765cb8..d00a37e3 100644
--- a/main/traffic.go
+++ b/main/traffic.go
@@ -442,7 +442,7 @@ func esListen() {
 
 			//FIXME: Some stale information will be renewed.
 			valid_change := true
-			if x[1] == "3" {
+			if x[1] == "3" { // ES airborne position message. DF17 BDS 0,5.
 				//MSG,3,111,11111,AC2BB7,111111,2015/07/28,03:59:12.363,2015/07/28,03:59:12.353,,5550,,,42.35847,-83.42212,,,,,,0
 				//MSG,3,111,11111,A5D007,111111,          ,            ,          ,            ,,35000,,,42.47454,-82.57433,,,0,0,0,0
 				alt := x[11]
@@ -478,7 +478,7 @@ func esListen() {
 					ti.Position_valid = true
 				}
 			}
-			if x[1] == "4" {
+			if x[1] == "4" { // ES airborne velocity message. DF17 BDS 0,9.
 				// MSG,4,111,11111,A3B557,111111,2015/07/28,06:13:36.417,2015/07/28,06:13:36.398,,,414,278,,,-64,,,,,0
 				speed := x[12]
 				track := x[13]
@@ -513,7 +513,7 @@ func esListen() {
 					ti.Speed_valid = true
 				}
 			}
-			if x[1] == "1" {
+			if x[1] == "1" { // ES identification and category. DF17 BDS 0,8.
 				// MSG,1,,,%02X%02X%02X,,,,,,%s,,,,,,,,0,0,0,0
 				tail := x[10]
 

From bba257db6d408e4e86be01120e4eac4d7e7f3a8b Mon Sep 17 00:00:00 2001
From: Christopher Young <cyoung@gmail.com>
Date: Sun, 3 Jan 2016 13:52:33 -0500
Subject: [PATCH 5/5] Add SBS1 message type 5 "Surveillance alt message".

---
 main/traffic.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/main/traffic.go b/main/traffic.go
index d00a37e3..0fac4465 100644
--- a/main/traffic.go
+++ b/main/traffic.go
@@ -525,6 +525,16 @@ func esListen() {
 					ti.Tail = tail
 				}
 			}
+			if x[1] == "5" { // Surveillance alt message. DF4, DF20.
+				// MSG,5,,,%02X%02X%02X,,,,,,,%d,,,,,,,%d,%d,%d,%d
+				// MSG,5,111,11111,AB5F1B,111111,2016/01/03,04:43:52.028,2016/01/03,04:43:52.006,,13050,,,,,,,0,,0,0
+				alt := x[11]
+
+				altFloat, err := strconv.ParseFloat(alt, 32)
+				if len(alt) != 0 && err == nil {
+					ti.Alt = int32(altFloat)
+				}
+			}
 
 			// Update "last seen" (any type of message, as long as the ICAO addr can be parsed).
 			ti.Last_source = TRAFFIC_SOURCE_1090ES