Ham Radio Extra Class Practice Test 2025 - Free Extra Class License Exam Questions and Study Guide

Question: 1 / 400

What is the legal power limit for Satellite Communication in the 1.2 GHz band?

500 watts EIRP

1,000 watts EIRP

The legal power limit for satellite communication in the 1.2 GHz band is indeed 1,000 watts EIRP (Effective Isotropic Radiated Power). This limit ensures efficient use of the frequency spectrum while minimizing potential interference with other services and users.

EIRP is a critical measurement in satellite communications as it accounts for the power output of the transmitter as well as the gain provided by the antenna, which allows operators to effectively design their systems to comply with regulations.

Maintaining this limit is essential because exceeding it could cause interference that negatively impacts both terrestrial and space-based receivers, which must operate reliably in this shared frequency range. This regulation is part of the broader governing framework established by the Federal Communications Commission (FCC) and international agreements to promote fair access to radio spectrum.

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1,500 watts EIRP

2,000 watts EIRP

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