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Call Sign : 108CT234 Posts : 19 Times Thanked : 0 Join date : 2019-10-26 QTH or Location : Kirkintilloch/ Glasgow Equipment Used : YAESU FT450D 6mtrs Age : 61
Subject: Mobile help Wed Feb 05, 2020 9:40 pm
Looking for some advice Hi members I am going to go mobile with my yaesu 450d . So looking for some help . I have connected power lines to battery. And my antenna on roof , But do I still need to run a earth wire to the earth screw at back of th 450d. Every help will be very much appreciated. Many thanks john
Call Sign : 26-CT-1836 Ham 2E0GGQ Posts : 1972 Times Thanked : 149 Join date : 2019-06-27 QTH or Location : Braunston Northamptonshire. Equipment Used : Radios & Wires & Stuff! Age : 56
Subject: Re: Mobile help Fri Feb 07, 2020 5:36 am
The earth on the back of the 450D is an RF earth. You would usually connect it to a ground spike in the garden outside the shack. I wouldn't connect it to the electrical earth of your car that's not what it's for. I'm not an expert in mobile installations by any means but I think for a mobile install it's left unconnected (As is mine at home with no RF problems)
Call Sign : M0GVZ / 26CT1760 Posts : 320 Times Thanked : 23 Join date : 2019-11-13 QTH or Location : IO94SA Equipment Used : Icom 7300, TS480, President McKinley, Albrecht AE6110, CRT Mike Age : 50
Subject: Re: Mobile help Tue Feb 11, 2020 5:30 pm
Those little ground screws on the backs of radios serve no purpose and are only there to keep old timers who don't know better happy. If connecting a ground to that screw solves a problem your problems started long before the radio, at the antenna feedpoint to be exact.