Final answer:
The question pertains to the inhibition of windshear alerts during takeoff but lacks specific data necessary for a conclusive answer. Typically, windshear systems are inhibited at low altitudes to prevent false warnings and are activated after reaching a safer altitude.
Step-by-step explanation:
The subject of the question relates to weather radar systems used in aviation, particularly focusing on the functionality during critical phases such as takeoff. Unfortunately, without the specific inhibiting speeds or altitudes provided by the TO 1E-8C-1 (technical order) for the 1U-17 aircraft, it is not possible to accurately cite the exact values at which windshear alerts are inhibited during takeoff. In general, windshear alert systems might be inhibited at low altitudes during the initial takeoff roll to avoid nuisance alerts, and then become active once the aircraft achieves a certain height above ground level.