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Signal Whistle

Signal Whistle

Category: Communication & Signaling
Weight: — (negligible)
Cost: 5 CP
Range: 1 mile in ideal conditions

Description​

A signal whistle is a small, loud whistle designed specifically for long-distance communication. Made of metal or carved from wood, it produces a sharp, piercing sound that can carry over great distances.

Usage​

Using a signal whistle requires no action and can be done even while engaged in other activities. The whistle can be heard clearly up to 1 mile away in ideal conditions (calm weather, open terrain).

Sound Transmission:

  • Ideal Conditions: Up to 1 mile range
  • Moderate Conditions: Up to 1/2 mile range
  • Poor Conditions: Up to 1/4 mile range
  • Underground/Enclosed: Up to 500 feet

Communication Applications​

Party Coordination:

  • Signal for help or danger
  • Coordinate group movements
  • Mark positions during exploration
  • Alert to discoveries or threats

Established Signals:

  • One blast: All clear
  • Two blasts: Danger ahead
  • Three blasts: Help needed
  • Continuous blasts: Emergency retreat

Tactical Uses​

Military Applications:

  • Coordinate troop movements
  • Signal charge or retreat
  • Alert sentries to threats
  • Mark time or schedule changes

Adventure Utility:

  • Call for rescue when separated
  • Distract enemies or wildlife
  • Test echo in unknown spaces
  • Signal across dangerous terrain

Environmental Factors​

Weather Effects:

  • Wind can carry or muffle sound
  • Rain and storms reduce range
  • Snow and cold affect performance
  • Heat can cause thermal effects on sound

Terrain Considerations:

  • Open plains: Maximum range
  • Forests: Reduced range, muffled
  • Mountains: Echo effects, variable range
  • Underground: Significantly reduced range