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Monday 3 December 2012

CB gateway update

I thought another update on the CB gateway was in order.

Today I have reinstated the audio feed for the gateway and retested it on the test room on 446Muppets, some bouncing has since started to reoccur, and I suspect because I have the 446 gateway feed on the CB gateway computer as well it is causing problems meaning I’ll have to switch it over to a new computer shortly, the ground loop isolator was also reinstalled.

During tests, a buzz was heard for the most part and I suspected it to be the audio connection, however after connecting my external speaker into the gateway rig and transmitting from the handheld again, it soon transpired it was the handheld CB transmitting in the vicinity of electrical equipment and possibly the fact I have this gateway on a dummy load may also be a contributing factor, this required me out of the room to determine this.

This week I will be finding suitable radials for the antenna, these will be trimmed to the correct size when the antenna is tuned, it will be tuned for use across the band as there may be times I take the gateway off air and put my main CB on air until it becomes possible to install a second antenna, the radials will be made from the stiffest wire possible to obtain which may be of some help.

Hopefully if I have rectified the SWR issues I may be able to get the antenna on the air, but if not then I suspect there may be another issue I have overlooked.

Let’s see what this next week or so will bring.

73 de 26CT730

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