modem73 - Added systemd user unit files for each support modulation provided by the et-modem73 wrapper script

overlay/etc/skel/.config/systemd/user/et-service-modem73-default.service

@@ -1,5 +1,6 @@
 # Author  : Gaston Gonzalez
 # Date    : 28 June 2026
+# Updated : 30 June 2026
 # Purpose : User systemd unit file for EmComm Tools that starts modem73
 #         : in a default configuration.
 #
@@ -10,10 +11,10 @@
 #  Reload this config : systemctl --user daemon-reload
 
 [Unit]
-Description=EmComm Tools modem73 default service
+Description=EmComm Tools modem73 default service for balanced performance
 
 [Service]
-ExecStart=/opt/emcomm-tools/bin/et-modem73 start default
+ExecStart=/opt/emcomm-tools/bin/et-modem73 balanced --headless
 Restart=no
 
 [Install]

overlay/etc/skel/.config/systemd/user/et-service-modem73-fast.service

@@ -0,0 +1,20 @@
+# Author  : Gaston Gonzalez
+# Date    : 30 June 2026
+# Purpose : User systemd unit file for EmComm Tools that starts modem73
+#         : in a fast configuration.
+#
+# Usage: 
+#  Check status       : systemctl --user status et-service-modem73-fast
+#  Start service      : systemctl --user start et-service-modem73-fast
+#  Stop service       : systemctl --user stop et-service-modem73-fast
+#  Reload this config : systemctl --user daemon-reload
+
+[Unit]
+Description=EmComm Tools modem73 service for fast performance
+
+[Service]
+ExecStart=/opt/emcomm-tools/bin/et-modem73 fast --headless
+Restart=no
+
+[Install]
+WantedBy=multi-user.target

overlay/etc/skel/.config/systemd/user/et-service-modem73-faster.service

@@ -0,0 +1,20 @@
+# Author  : Gaston Gonzalez
+# Date    : 30 June 2026
+# Purpose : User systemd unit file for EmComm Tools that starts modem73
+#         : in a faster configuration.
+#
+# Usage: 
+#  Check status       : systemctl --user status et-service-modem73-faster
+#  Start service      : systemctl --user start et-service-modem73-faster
+#  Stop service       : systemctl --user stop et-service-modem73-faster
+#  Reload this config : systemctl --user daemon-reload
+
+[Unit]
+Description=EmComm Tools modem73 service for faster performance
+
+[Service]
+ExecStart=/opt/emcomm-tools/bin/et-modem73 faster --headless
+Restart=no
+
+[Install]
+WantedBy=multi-user.target

overlay/etc/skel/.config/systemd/user/et-service-modem73-fastest.service

@@ -0,0 +1,20 @@
+# Author  : Gaston Gonzalez
+# Date    : 30 June 2026
+# Purpose : User systemd unit file for EmComm Tools that starts modem73
+#         : in a fastest configuration.
+#
+# Usage: 
+#  Check status       : systemctl --user status et-service-modem73-fastest
+#  Start service      : systemctl --user start et-service-modem73-fastest
+#  Stop service       : systemctl --user stop et-service-modem73-fastest
+#  Reload this config : systemctl --user daemon-reload
+
+[Unit]
+Description=EmComm Tools modem73 service for fastest performance
+
+[Service]
+ExecStart=/opt/emcomm-tools/bin/et-modem73 fastest --headless
+Restart=no
+
+[Install]
+WantedBy=multi-user.target

overlay/etc/skel/.config/systemd/user/et-service-modem73-reliability.service

@@ -0,0 +1,20 @@
+# Author  : Gaston Gonzalez
+# Date    : 30 June 2026
+# Purpose : User systemd unit file for EmComm Tools that starts modem73
+#         : in a reliability configuration.
+#
+# Usage: 
+#  Check status       : systemctl --user status et-service-modem73-reliability
+#  Start service      : systemctl --user start et-service-modem73-reliability
+#  Stop service       : systemctl --user stop et-service-modem73-reliability
+#  Reload this config : systemctl --user daemon-reload
+
+[Unit]
+Description=EmComm Tools modem73 service for reliable performance
+
+[Service]
+ExecStart=/opt/emcomm-tools/bin/et-modem73 reliability --headless
+Restart=no
+
+[Install]
+WantedBy=multi-user.target

overlay/opt/emcomm-tools/bin/et-modem73

@@ -28,7 +28,7 @@ usage() {
   echo "usage: $(basename $0) <mode> [options]"
   echo "  <mode>"
   echo "    reliability - Max reliability (Slower Speed) [BPSK]"
-  echo "    balanced    - Balanced (Reliability and Speed) [QPSK] RECOMENDED"
+  echo "    balanced    - Balanced (Reliability and Speed) [QPSK] RECOMMENDED"
   echo "    fast        - Fast (Low Reliability) [8PSK]"
   echo "    faster      - Faster (Lower Reliability) [QAM16]"
   echo "    fastest     - Fastest (Lowest Reliability) [QAM64]"