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I currently have a 50 watt, Kenwood TM-241 installed in my vehicle. The antenna, Larsen 5/8 wave, is roof-mounted with an NMO mount. I also have a Dell Laptop computer being powered by a power inverter. Been using this setup for about 2 years with no problems. (Cords/cables for all equipment do not mingle together.)

I needed to change the antenna to a 1/4 wave due to some clearance problems with the 5/8 wave. When I made the change this problem occured: Keying the microphone on med or high power, the inverter powers off/on and the computer restarts. Changing back to the 5/8 wave solves the problem.

I put ferrite chokes on the power line feeding the inverter, the power line to the Dell, and the 2 USB cables plugged in to the computer. The antenna mount cable is low-loss & double-shielded RG-58. Have double checked all connections and SWR is perfect. Problem still exists when using the 1/4 wave.

Any ideas or solutions?

<blockquote data-quote="qslmark" data-source="post: 404253" data-attributes="member: 22891">I currently have a 50 watt, Kenwood TM-241 installed in my vehicle. The antenna, Larsen 5/8 wave, is roof-mounted with an NMO mount. I also have a Dell Laptop computer being powered by a power inverter. Been using this setup for about 2 years with no problems. (Cords/cables for all equipment do not mingle together.)I needed to change the antenna to a 1/4 wave due to some clearance problems with the 5/8 wave. When I made the change this problem occured: Keying the microphone on med or high power, the inverter powers off/on and the computer restarts. Changing back to the 5/8 wave solves the problem.I put ferrite chokes on the power line feeding the inverter, the power line to the Dell, and the 2 USB cables plugged in to the computer. The antenna mount cable is low-loss &amp; double-shielded RG-58. Have double checked all connections and SWR is perfect. Problem still exists when using the 1/4 wave.Any ideas or solutions?</blockquote>

[QUOTE="qslmark, post: 404253, member: 22891"] I currently have a 50 watt, Kenwood TM-241 installed in my vehicle. The antenna, Larsen 5/8 wave, is roof-mounted with an NMO mount. I also have a Dell Laptop computer being powered by a power inverter. Been using this setup for about 2 years with no problems. (Cords/cables for all equipment do not mingle together.) I needed to change the antenna to a 1/4 wave due to some clearance problems with the 5/8 wave. When I made the change this problem occured: Keying the microphone on med or high power, the inverter powers off/on and the computer restarts. Changing back to the 5/8 wave solves the problem. I put ferrite chokes on the power line feeding the inverter, the power line to the Dell, and the 2 USB cables plugged in to the computer. The antenna mount cable is low-loss & double-shielded RG-58. Have double checked all connections and SWR is perfect. Problem still exists when using the 1/4 wave. Any ideas or solutions? [/QUOTE]

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