AEROSPACE AND SPACE SYSTEMS

Spacecraft Link Budget Scout.

Additional page sections

Estimates free-space path loss and received-power pressure for a simplified spacecraft link.

Version 2.3 Research interface Protected engine Spacecraft link-budget scout note
PURPOSE

Decision supported.

Estimates free-space path loss and received-power pressure for a simplified spacecraft link.

Intended user

research, assurance and technical review teams

Output status

Preliminary outputHuman review requiredNot certification
USE CASES

Where this instrument fits.

  • First-pass link budget intuition
  • Compare distance and frequency pressure
  • Prepare communication constraint notes
  • Identify whether a detailed link budget is needed
INPUTS

Required input fields.

  • Frequency GHz (required)
  • Distance km (required)
  • Transmit power W (required)
  • Transmit antenna gain dBi (required)
  • Receive antenna gain dBi (required)
  • Other losses dB (required)

Data handling: this interface uses the L2ET protected same-origin instrument engine. Do not enter confidential, regulated, privileged, incident, medical or sensitive operational data.

METHOD

Formula Workbench logic.

Uses free-space path loss in dB with transmit power and antenna gains to estimate received power.

Source families

communications link budgetspace systems engineering

Assumptions

  • Very simplified RF link model.
  • Noise temperature, modulation, coding and margins are omitted.
  • Assumes line-of-sight free space.
INTERACTIVE INSTRUMENT

Spacecraft link-budget scout note.

Use the controls below to generate a preliminary artifact. The output is intentionally bounded and requires human review.

OUTPUT ARTIFACT

Spacecraft link-budget scout note.

The generated artifact includes findings, assumptions, limitations, recommended next actions and exportable structured output.

Export options

Copy outputMarkdownJSON
EXAMPLE

Example input and output.

Example input

8.4 GHz link over 1000 km with 10 W transmit power and antenna gains.

Example output

Outputs path loss and received power estimate with margin caution.

LIMITATIONS

What this tool does not do.

  • Not a final link budget.
  • Does not allocate spectrum.
  • Does not certify communications performance.

This instrument does not provide legal, medical, cryptographic, engineering, regulatory or compliance certification.

RELATED METHOD

Method and workflow links.

Read the family method note for assumptions, output artifacts, update policy and review boundaries.

Open methodology Open family

RELATED TOOLS

Suggested workflow sequence.

Aerospace Mission Risk Envelope

Builds a phase-specific mission-risk envelope with hazards, margins, validation evidence and abort conditions.

open instrument →

Flight/Space Systems FMEA Builder

Creates an FMEA row set with severity, occurrence, detectability, mitigation and verification notes.

open instrument →

Space Communications Constraint Mapper

Maps latency, bandwidth, link interruption, autonomy fallback and data criticality into a communications constraint profile.

open instrument →
CHANGELOG

Version history.

  • v2.3 - Research-grade instrument template, method notes, assumptions, limitations, example and export actions added.
  • Last updated: 2026-05-27.
  • Maturity state: Research interface.