Jack Gerritsen KG6IRO

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(This article is about Jack Gerritsen of Bell, CA who had the amateur radio callsign KG6IRO)

Jack Gerritsen was well known in Southern California for jamming radio communications. Here is a timeline:

Decemeber 1999 Arrested by the CHP for jamming police radios from his home in Bell, CA.

June 2000 Convicted of the above charge. Placed on probation.

June 2001 Applied for an amateur radio license. Issued a Technician-class license with the callsign KG6IRO. Almost immediately the FCC received complaints about his on-air behavior so they rescinded his license based on the complaints and because of his earlier conviction.

July 2001 Local police forwarded more complaints about his on-air behavior to the FCC. Again the FCC advised him that his license was not valid.

January 2002 Arrested for violating his probation (illegally using radios), sentenced to 18 months in prison.

June 2003 Released from prison, he begins jamming police radio, ham radio, and business band radio.

November 2003 FCC traces illegal transmissions as originating from his home. The FCC cited him for using a radio without a license.

February 2004 FCC traces illegal transmissions as originating from his home (again). The FCC issued a $10,000 fine against him.

June 2004 FCC traces illegal transmissions jamming the 147.435 repeater as originating from his home.

July 2004 FCC receives complaints that he is jamming the 146.985 and 147.105 repeaters.

September 2004 FCC receives complaints that he is jamming a Catalina Island repeater net, traces the transmissions as originating from his home.

October 2004 FCC receives a complaint that he is jamming a Catalina Island repeater while it was being used by the Coast Guard in an attempt to reach a ship that had lost radio contact and was in possible distress. FCC traces the jamming transmissions as originating from his home.

December 2004 The FCC issued a $21,000 fine against him for jamming ham repeaters from June 2004 to September 2004.

January 2005 The FCC issued a $21,000 fine against him for jamming the Catalina Island repeater in October 2004.

February 2005 He is observed jamming an American Red Cross radio net and an Army MARS radio net.

April 2005 He is observed on a local repeater making terrorist threats to a licensed ham and his family members.

May 2005 The FBI and FCC pay him a visit at his home in Bell, CA. He is arrested and his radio equipment was confiscated. He is indicted with six federal charges in regard to using a radio without a license and jamming radio transmissions.

July 2005 He is convicted in state court of making terrorist threats from the April 2005 incidents and sentenced to 4 months in county jail.

September 2005 He is released from county jail on the state charges.

December 2005 He is convicted on various charges from the May 2005 arrest.

September 2006 He is sentenced to 7 years in federal prison.

July 2009 He appeals his conviction claiming the government erred in allowing him to represent himself in court. The appeals court upholds his conviction.

March 2012 He is released from federal prison.

April 2012 Incessant jamming, playing of rap music, and repeated belching is heard on the 147.435 repeater.

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