Definition

Verb: * To point jam: To deliberately transmit a radio frequency signal to disrupt or block communication within a specific, narrow frequency band. This is a targeted form of electronic jamming.

Usage

• Verb: The term is used in military and electronic warfare contexts to describe a countermeasure against enemy communications or radar.
  • The enemy tried to point jam our command channel, but our systems were shielded.
  • Our strategy is to point jam their early warning radar to create a blind spot.

Advanced Usage

• Point jamming (noun form): The act or technique of point jamming.
  • The effectiveness of their point jamming was limited by our frequency-hopping technology.
• Point-jammed (adjective/participle): Describes a signal or system that is being subjected to point jamming.
  • The point-jammed transmitter was unable to send data.

Variants and Related Words

• Barrage jamming (noun): A contrasting technique that jams a wide band of frequencies simultaneously.
• Electronic Countermeasures (ECM) (noun): The broader category of military action involving the use of electromagnetic energy, which includes point jamming.
• Jamming (noun/gerund): The general act of interfering with radio signals.

Synonyms

• Targeted jamming
• Spot jamming
• Narrowband jamming

Antonyms

• Barrage jam (verb)
• Broadband jamming (noun)

Related Phrases

• To counter point-jamming: To employ techniques to overcome or negate the effects of point jamming.
  • As the reference states, "We can counter point-jamming effectively" using advanced signal processing.

Verb

1. jam a narrow band of frequencies
   • We can counter point-jamming effectively