InstantEye Mk-3 GEN4-D1 sUAS Technical Manual
Revision M1.2
August 14, 2019
COPYRIGHT ©2018 InstantEye Robotics, a division of Physical Sciences Inc.
ITAR or EXPORT CONTROLLED
Page 25
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Transmitter Type: Digital
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Modulation and Coding: COFDM
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Minimum Transmit Frequency: 1813 MHz (GEN4-D11),
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Maximum Transmit Frequency: 1850 MHz (GEN4-D11)
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Operational Transmit Frequency: Channelized with 1 MHz spacing at 4 MHz
bandwidth
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Peak Possible Power to Antenna: 0.5 W
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Average Power to Antenna: 250 mW
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Encryption: 256-bit AES
3.2. Pre-Flight
Pre-flight activities are key to successful and safe operations. The following sections
outline the procedures from initial conditions checks to turning on the individual system
components.
3.2.1. Conditions Check
The following four conditions are important to check before beginning operations:
weather, obstructions, interference sources, and compass error sources. Each is
described below.
3.2.1.1. Condition 1: Weather
InstantEye Mk-3 GEN4-D1 is able to fly in most inclement weather including wind speeds
up to 35 mph, precipitation, altitudes up to 12,000 feet MSL, and temperatures ranging
from -10°F to 120°F (-23°C to 49°C). Endurance will be adversely affected by harsher
conditions. The flight time remaining graphic on the GCS (Figure 20, p. 22) will adapt and
give a relatively accurate reading, but it should be monitored frequently to ensure
sufficient time is allotted to land the aircraft safely.
3.2.1.2. Condition 2: Obstructions
The aircraft depends on GPS satellites to hold its position in
NAV
mode. The GPS fix time
and fix quality are affected if the sky is obstructed by trees, buildings, terrain or other
objects. The fix quality of the aircraft is indicated on the screen directly below the GPS
Coordinate graphic. See
Section 3.1.5. GPS Coordinates
(pg. 23) for a detailed
description of this graphic. If the fix quality is low, the aircraft will have some difficulty
maintaining its position with accuracy. In this case, move to an area where the sky is less
obstructed.
3.2.1.3. Condition 3: Interference Sources
The GCS-D and aircraft transmit the C2/data and video link in the L-band. If the specific
frequencies selected are being jammed or there are any sources of interference in these
bands, the system will not operate properly. If jammed in flight or a significant source of
interference is encountered, the aircraft will enter lost communications mode, allowing it
to be safely recovered. Some examples of interference sources include: cell towers, radio
towers, and powerful WiFi networks.
Summary of Contents for Mk-3 GEN4-D1
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