L2MUMS

Level 2 Manned/Unmanned System (L2MUMS)

Overview

The Level 2 Manned/Unmanned System (L2MUMS) allows for the transmission of video and metadata between aircraft. It can be used to transmit and receive sensor data in real time between both unmanned and manned platforms.

While users can both receive data from another platform and transmit their own data at the same time, the receiver has no control over the platform that is transmitting data or the transmission itself.

The L2MUMS is a federated system that runs on a separate processor stored in the rear of the aircraft.

Two antennae mounted on the top and bottom of the aircraft allow line of sight communication to other platforms.

The Copilot’s MFD displays data from the L2MUMS, and is used to make inputs to the system. The Copilot can select whether the MFD displays and accepts input for either the IMCPU or L2MUMS by pressing the INIT bezel on the MFD.

Pages

Platform Reception Selection

The Platform Reception Selection page is used to select and connect to incoming transmissions. There are 5 preset channels for Kiowa-to-Kiowa communication, while any available unmanned platforms are displayed below.

List of available channels. The selected channel is highlighted. Each channel has a Type Name, ID, Frequency, Bandwidth and Relative Signal Strength (RSS). RSS is only displayed when the channel is selected

L1. Select.: Selects the highlighted channel for reception of data
L2. Line Up.: Highlights the previous entry in the list
L3. Line Down.: Highlights the next entry in the list
L4. BIT.: Not implemented
L5. Encrypt.: Not implemented
R1. DCLTR.: Activating this bezel enables the declutter mode, hiding the bezel key text
R2. Add.: Not implemented
R3. Edit.: Not implemented
R4. Delete.: Not implemented

R5. Tmit Page.

Navigates to the Platform Transmission Selection page
B1. Page.: Navigates to the Video Display page
B2. Ack.: Acknowledges L2MUMS alerts
B3. Tx.: Toggles and indicates transmission of sensor data
B4. Off.: Not implemented

Platform Transmission Selection

The Platform Transmission Selection page is used to select a preset channel on which to transmit the video and sensor data from the player aircraft.

List of available channels. The selected channel is highlighted. Each channel has a Type Name, Frequency and Status. Status is only displayed when the channel is selected

L1. Select.: Selects the highlighted channel for reception of data
L2. Line Up.: Highlights the previous entry in the list
L3. Line Down.: Highlights the next entry in the list
L4. BIT.: Not implemented
L5. Encrypt.: Not implemented
R1. DCLTR.: Activating this bezel enables the declutter mode, hiding the bezel key text
R2. Add.: Not implemented
R3. Edit.: Not implemented
R4. Delete.: Not implemented
R5. Rcv Page.: Navigates to the Platform Reception Selection page
B1. Page.: Navigates to the Video Display page
B2. Ack.: Acknowledges L2MUMS alerts
B3. Tx.: Toggles and indicates transmission of sensor data
B4. Off.: Not implemented

Video Display

The Video Display page displays the video feed from the connected platform, as well as target and platform metadata.

Video Display
North Indicator and Stare Point Marker. Indicates relative bearing to north
Stare Point position and elevation
Relative bearing and distance from Receiving platform to Stare Point, and Current Time
Platform Position and Altitude
Platform Heading and Sensor Heading (green)
Sensor Elevation

L1. Pause.: Not implemented
L2. Capture.: Not implemented
L3. Lat/Long or UTM.: Toggles metadata display between UTM and Lat/Long coordinate systems
R1. DCLTR.: Activating this bezel enables the declutter mode, hiding the bezel key text
R2. Overlay.: Successive presses of the Overlay bezel cycle the overlay mode:

- OFF (no overlays displayed)
- Level 1 (Stare Point Marker and North Indicator are displayed)
- Level 2 (Stare Point and Relative Position data in top left and top right are displayed along with all items from Level 1)
- Level 3 (Platform Position and Altitude at bottom are displayed along with all items from Level 2 and Level 1)
- Level 4 (Platform and Sensor Heading icons and Sensor Elevation icons are displayed along with all items from Level 3, Level 2 and Level 1)

R3. Start Rec.: Not implemented
R4. Recall Tgt.: Not implemented
B1. Page.: Navigates to the Map Display page
B2. Ack.: Acknowledges L2MUMS alerts
B3. Tx.: Toggles and indicates transmission of sensor data
B4. Off.: Not implemented

Map Display

The Map Display page shows the platform, sensor and target data overlayed on chart maps.

Platform Position
Own Position
Platform Heading
Stare Point Location and Sensor Field of View

L1. UAS Tgt.: Momentarily centers the map on the Stare Point
L2. UAS Locn.: Momentarily centers the map on the Platform Position
L3. UAS Scroll.: Centers and locks the map on the Platform Position. When the map is locked and the bezel text is highlighted blue, the other centering keys are disabled. A successive press of the L3 bezel disables the locking
L4. Own Posn.: First press of this bezel momentarily centers the map on Own Position. A second press of this bezel locks the map on the Own Position. When the map is locked and the bezel text is highlighted blue, the other centering keys are disabled. A successive press of the L4 bezel disables the locking
R1. DCLTR.: Activating this bezel enables the declutter mode, hiding the bezel key text
R2. Zoom In.: Increases the map zoom. Available zoom levels are 50%, 75%, 100%, 200% and 400%. Current zoom level is displayed at the bottom right of the map
R3. Zoom Out.: Decreases the map zoom. Available zoom levels are 50%, 75%, 100%, 200% and 400%. Current zoom level is displayed at the bottom right of the map
R4. Scale In.: Increases the map scale. Available scales are 1:50000, 1:100000, 1:250000 and 1:500000
R5. Scale Out.: Decreases the map scale. Available scales are 1:50000, 1:100000, 1:250000 and 1:500000
B1. Page.: Navigates to the Platform Reception Selection page
B2. Ack.: Acknowledges L2MUMS alerts
B3. Tx.: Toggles and indicates transmission of sensor data
B4. Off.: Not implemented