SPANGDAHLEMABI17-220 — Spectrum Operations

SPANGDAHLEMABI17-220 governs spectrum operations, electromagnetic spectrum management, and radio frequency use at Spangdahlem.

Search SPANGDAHLEMABI17-220

  • Publication number: SPANGDAHLEMABI17-220
  • Title: Spectrum Operations
  • Date: 2026-01-21

View SPANGDAHLEMABI17-220 on armypubs.army.mil


It defines spectrum operations roles for installation commanders, communications commanders, spectrum managers, and user organizations. It requires federal frequency use to follow the NTIA Manual and generally requires host nation approval for spectrum-dependent operations abroad.

Topics covered

  • Spectrum operations
  • Electromagnetic spectrum management
  • Radio frequency assignments
  • Spectrum-dependent systems
  • Host nation approval
  • Interference deconfliction

Questions and answers

Which frequency bands must federal users utilize?

Federal users must utilize frequency bands allocated for government or shared use in accordance with NTIA Manual.

When can a government frequency assignment use a non-government allocated frequency band?

A government frequency assignment is authorized in a non-government allocated frequency band, providing the Federal Communications Commission approves the request.

Is host nation approval required for spectrum operations abroad?

In nearly all circumstances, it is necessary to obtain host nation approval to conduct electromagnetic spectrum operations before United States military forces operate any spectrum-dependent system in a foreign nation.

What can unauthorized electromagnetic spectrum use in a host nation violate?

Misuse of spectrum resources or unauthorized electromagnetic spectrum use within a host nation may be a violation of international treaties, international law, or national laws and regulations.

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