1. Jamming
Taiga Kuroiwa

2. JAMMING IS ILLEGAL First of all...
Federal Communication Commision
lesson/
Some issues

3. See Communications Act of 1934, as amended, 47 U. S. C
See Communications Act of 1934, as amended, 47 U.S.C. §§ 301, 302a(b), 333
Section 301 of the Communications Act: “No person shall use or operate any apparatus for the transmission of energy or communications or signals by radio…except under and in accordance with [the Communications] Act and with a license in that behalf granted under the provisions of this Act.” 47 U.S.C. § 301.
Section 302(b) of the Communications Act: “No person shall manufacture, import, sell, offer for sale, or ship devices or home electronic equipment and systems, or use devices, which fail to comply with regulations promulgated pursuant to this section.” 47 U.S.C. § 302a(b).
Section 333 of the Communications Act: “No person shall willfully or maliciously interfere with or cause interference to any radio communications of any station licensed or authorized by or under [the Communications] Act or operated by the United States Government.” 47 U.S.C. § 333

4. But some exceptions...
Under the United States' Emergency Wireless Protocols, only certain federal agencies have the authority to disrupt cellular signals. Government law enforcement and intelligence agencies such as the CIA, FBI, NSA and the Secret Service use cell phone jammers to prevent terrorists from remotely detonating explosives

5. How does it sound like https://www.youtube.com/watch?v=v_qROm79i1I
Or imagine when you try to listen radio show in the tunnel
Or imagine trying to talk in dance club

6. 1. Find the frequencies used in public
2. Send noise in same frequency
3. Sounds easy right? It is.
in general all a jammer needs to do is cause enough errors in the messages received by either the cellphone or the tower to overwhelm their ability to correct them.

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8. Why people ATTEMPT to use
Done by single person
When you know that the car on-front is not moving because of texting
Disrupting a bus full of people while arguing over the phone
Done by Group
Quiet zone on shops/busses
Theaters

9. Jammer used by Proper people
VIP Transportation by Secret Service
United States Armed Force using at Iraq and Afghanistan
Navy and Airforce is good friends of Jamming...

10. Ships with Electronic Warfare
Atago Class Guided Missile Destroyer (DDG) - Ashigara
NOLQ-Type 2B, Japanese ECM, ESM on Ashigara

11. Electronic Counter/Support Measures
Electronic Support Measures
operational commander to detect, intercept, identify, locate, record, and/or analyze sources of radiated electromagnetic energy
This one is standard + old-ish
Electronic Counter Measures
Noise Jamming
Electronic Deception + Spoofing
Chaff and Flares
Newer measures, and actually cool
Was not part of Arleigh Burke-class destroyer

12. Electronic Counter Measures Explanation
Noise Jamming = Slide 5’s youtube video of Jammed conversation
Electronic Deception + Spoofing = Send combination of false and true data and assume you are at some location
Chaff and Flares = Decoys (usually close range)

13. From Japan’s Perspective...
Some Russian and Chinese surveillance aircraft observed nearly weekly
Utilizing the unstable-factor named North Korea
Peeking Japanese Technologies which usually allied with American Technologies
Positions of submarines