diff --git a/REGRESSION.md b/REGRESSION.md
index a11078d..06d83c0 100644
--- a/REGRESSION.md
+++ b/REGRESSION.md
@@ -1,7 +1,7 @@
 # EmComm Tools  Regression Tests 
 
-- **Build**: ETC R7 Build 18
-- **Date**: 23 August 2026
+- **Build**: ETC R7 Build 19
+- **Date**: 31 August 2026
 
 ## First Login
 
@@ -118,6 +118,11 @@
 * [ ] et-mode VARA FM (Winlink)
 * [ ] et-mode VARA HF (Winlink)
 
+## Mercury HF
+
+* [ ] et-mode Mercury HF (Winlink)
+* [ ] et-mercury-stats
+
 ## Security
 
 * [ ] gpa
@@ -170,7 +175,6 @@
 ## Modems
 
 * [ ] modem73
-* [ ] mercury
 
 ## Email/Internet
 
diff --git a/overlay/opt/emcomm-tools/bin/et-mercury b/overlay/opt/emcomm-tools/bin/et-mercury
index e33bb1a..a25ed83 100755
--- a/overlay/opt/emcomm-tools/bin/et-mercury
+++ b/overlay/opt/emcomm-tools/bin/et-mercury
@@ -2,7 +2,7 @@
 #
 # Author  : Gaston Gonzalez
 # Date    : 16 July 2026
-# Updated : 26 August 2026
+# Updated : 31 August 2026
 # Purpose : Wrapper script for starting Mercury with PnP support
 #
 # Preconditions:
@@ -12,7 +12,7 @@
 # 1. Mercury started with sane defaults
 
 ET_MERCURY_HOME="${HOME}/.local/share/emcomm-tools/mercury"
-ET_MERCURY_LOG="${ET_MERCURY_HOME}/session.log"
+ET_MERCURY_LOG="${ET_MERCURY_HOME}/session.json"
 
 usage() {
   echo "usage: $(basename $0) <mode>"
@@ -73,7 +73,7 @@ start() {
   
     ALSA_DEVICE=$(et-system-info et-audio-card) 
 
-    CMD="mercury -C ${ET_MERCURY_INI} -L ${ET_MERCURY_LOG} -i plughw:${ALSA_DEVICE} -o plughw:${ALSA_DEVICE} ${OPTS}"
+    CMD="mercury -C ${ET_MERCURY_INI} -J -L ${ET_MERCURY_LOG} -i plughw:${ALSA_DEVICE} -o plughw:${ALSA_DEVICE} ${OPTS}"
 
     et-log "Starting Mercury in mode ${MODE} with: '${CMD}'"
     echo
diff --git a/overlay/opt/emcomm-tools/bin/et-mode b/overlay/opt/emcomm-tools/bin/et-mode
index 8071909..3ffdfd6 100755
--- a/overlay/opt/emcomm-tools/bin/et-mode
+++ b/overlay/opt/emcomm-tools/bin/et-mode
@@ -2,7 +2,7 @@
 #
 # Author   : Gaston Gonzalez
 # Date     : 6 November 2024
-# Updated  : 26 August 2026
+# Updated  : 29 August 2026
 # Purpose  : Configures the system for a specific mode of operation
 
 # Use a simple text file to save the state of the last mode selected
@@ -104,6 +104,7 @@ select_term_mode () {
   term_mode+=("1200" "1200 baud (default for VHF/UHF)")
   term_mode+=("9600" "9600 baud (VHF/UHF)")
   term_mode+=("300" "300 baud (HF)")
+  term_mode+=("mercury" "Mercury (HF)")
 
   # Only allow VARA terminal modes when using QtTermTCP
   if [[ "${SELECTED_MODE}" == "${MODE_ID_BBS_CLIENT2}" ]]; then
@@ -229,6 +230,11 @@ if [ $exit_status -eq 0 ]; then
           sed -i "s|^VARAHF=.*|VARAHF=1|g" ${QTTERMTCP_CONF_FILE}
           start_and_wait_for_vara et-vara-hf
         ;;
+        "mercury")
+          sed -i "s|^VARAFM=.*|VARAFM=0|g" ${QTTERMTCP_CONF_FILE}
+          sed -i "s|^VARAHF=.*|VARAHF=1|g" ${QTTERMTCP_CONF_FILE}
+          start_and_wait_for_service et-service-mercury-arq
+        ;;
       esac
 
       et-log "Starting QtTermTCP."
diff --git a/scripts/install-mercury-stats.sh b/scripts/install-mercury-stats.sh
new file mode 100755
index 0000000..496c367
--- /dev/null
+++ b/scripts/install-mercury-stats.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+# Author  : Gaston Gonzalez
+# Date    : 31 August 2026
+# Updated : 1 September 2026
+# Purpose : Install Mercury Stats
+set -e
+trap 'last_command=$current_command; current_command=$BASH_COMMAND' DEBUG
+trap 'et-log "\"${last_command}\" command failed with exit code $?."' ERR
+
+. ./env.sh
+
+APP=mercury-stats
+VERSION=0.2.2
+APP_AND_VERSION="${APP}-${VERSION}"
+DOWNLOAD_FILE="${APP}-${VERSION}.tar.gz"
+URL="https://github.com/thetechprepper/mercury-stats/archive/refs/tags/${VERSION}.tar.gz"
+SRC_DIR="${ET_SRC_DIR}/${APP}-${VERSION}"
+INSTALL_DIR="/opt/${APP}-${VERSION}"
+INSTALL_BIN_DIR="${INSTALL_DIR}/bin"
+INSTALL_LIB_DIR="${INSTALL_DIR}/lib/${APP}"
+LINK_PATH="/opt/${APP}"
+
+et-log "Installing ${APP} ${VERSION}..."
+
+if [[ ! -e "${ET_DIST_DIR}/${DOWNLOAD_FILE}" ]]; then
+
+  et-log "Downloading ${APP}: ${URL}"
+  curl -s -L -o ${DOWNLOAD_FILE} --fail ${URL}
+
+  mv ${DOWNLOAD_FILE} ${ET_DIST_DIR}
+fi
+
+CWD_DIR=`pwd`
+
+et-log "Unpacking ${APP} ${VERSION} source..."
+tar -xzf "${ET_DIST_DIR}/${DOWNLOAD_FILE}"
+
+[ -e ${SRC_DIR} ] && rm -rf "${SRC_DIR}"
+mv "${APP_AND_VERSION}" ${ET_SRC_DIR} && cd ${SRC_DIR}
+
+mkdir -v -p ${INSTALL_LIB_DIR}
+cp -v *.py ${INSTALL_LIB_DIR}
+
+mkdir -v -p ${INSTALL_BIN_DIR}
+
+cat <<'EOF' > "${INSTALL_BIN_DIR}/et-mercury-stats"
+#!/bin/bash
+
+APP_ROOT="/opt/mercury-stats"
+
+exec /usr/bin/python3 \
+    "${APP_ROOT}/lib/mercury-stats/mercury_stats.py" \
+    "$@"
+EOF
+
+chmod 755 "${INSTALL_BIN_DIR}/et-mercury-stats"
+
+[[ -e ${LINK_PATH} ]] && rm ${LINK_PATH}
+ln -v -s ${INSTALL_DIR} ${LINK_PATH}
+
+stow -v -d /opt ${APP} -t /usr/local
+
+cd $CWD_DIR
diff --git a/scripts/install.sh b/scripts/install.sh
index a2ce0f4..0b9ed89 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -2,7 +2,7 @@
 #
 # Author  : Gaston Gonzalez
 # Date    : 16 March 2024
-# Updated : 9 August 2026
+# Updated : 31 August 2026
 # Purpose : Main installer for EmComm Tools Community (ETC)
 
 . ./env.sh
@@ -123,6 +123,7 @@ exitIfNotRoot
 ./install-meshchat.sh
 ./install-modem73.sh
 ./install-mercury.sh
+./install-mercury-stats.sh
 ./install-offline-rnode-firmware.sh
 
 # Debrand Ubuntu
diff --git a/tests/test-mercury-stats b/tests/test-mercury-stats
new file mode 100755
index 0000000..131eba5
--- /dev/null
+++ b/tests/test-mercury-stats
@@ -0,0 +1,7 @@
+#!/bin/bash
+# Author   : Gaston Gonzalez
+# Date     : 31 August 2026
+# Purpose  : Test et-mercury-stats installation
+
+OUT=$(which et-mercury-stats)
+exit $?