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But I've been wanting to rebuild this and another little will for a while now. The noise floor issue I will agree with on that. As this antenna is pushing 9 years old now and never been rebuilt or "serviced". Bought another in '13 because I was so impressed with my current and that was a mistake.

I thought about a warm up issue also. Left it on for 4 hours last night while I was at work before I got off. Not a single problem the whole time. And yes, My job allows me to be in my truck while working. But I'm not driving it so I was able to monitor the radio's behavior.

They're great for a mag mount. 1.3 on 1 and 1.4-5 on 40. This is/was a progressive rise and fall before the "failure". After though was the fast paced rise and drop like "picket-fencing" and I was parked at the house.

Not EMP, Lol. This was in a '04 6.0 Powerstroke. Key up a handheld and it takes the PCM out, Lol. No, This radio doesn't have a processor chip that controls it. Maybe the DSC does, But thats it. But humming and meter falls to "Off" position and the mode issue? Something is/was up with it. I just...

So all these issues showed up at once suddenly?

On the way home from work yesterday morning, My PC68 Elite would know when my antenna stinger swayed front to back resulting in changes in noise level and later on began to hum like someone was humming into a radio close by but meter went dead flat backwards, All the face lighting went out only...

No, I just took the picture with it like that so you could see how it is built. If I had it outside fully erected, You wouldn't see it. It stands at full height 13' from the ground. I test and tune outside. And as I said in post #17, Its not weatherproof yet. In this humidity and lately rain, It...

I'm tuning it outdoors. I took the pictures inside because it isn't weather proof yet so its not left outside.

First thing I did. And its not the cheap shit. I don't mess with it.

No, Under the mount it is connected. Just how the picture looks. The insulator didn't fit through the hole and I wasn't going to force it and break it. I do have continuity to the cold ant.

Thats what I meant. The one that does the TX'ing and RX'ing. NOT the one used to REFLECT the RF off.

No, The hot antenna IS insulted from the bracket and connected to the coax and the bottom one, Is not. It looks insulated because the white ring on the N connector I'm using to hold it on. Under the mount its connected. I know the pictures aren't the best. Both are the same WL just the bottom is...

Just pulled it off the stand. Same reading basically.

Everything is insulated from everything. The V antenna makes no difference either. I removed it and stayed. If I'm lucky, I'll see it in the 3's but rare. The black rod with yellow tips is 1/2" PVC and the vertical pole is an aluminum stage light stand. The bottom mount stud with the "N"...

Using two firestik antennas as a dipole on a mirror "L" mount. SWR is 4.0 whether I have a counterpoise or not. Tried it with and without a balun. Makes no difference. Went 6 to 8 turns and no change. Both antennas are 5/8 wave. Only difference is one is 3' (Hot) and the other is 4' (cold)...

Wow, Lot to reply to. Coax is RG8X 95% sheild and stiff as a damn 2X4 when cold. It is running away from the vehicle harness. The rack has a body ground with the 10 ga. from mount to rack just in case. There is solid contact between mount and rack. Antenna is as far away as I can practically get...

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Common mirror mount onto truck backrack with solid contact between mount and rack. Rack has body ground and 10 ga. ground wire to chassis. I do have a coax ferrite core I could try.

Keyed a Cobra 200 up in the truck, Instrument panel went ape shit. All lights but 2 came on, Fuel gauge went empty, and while driving, Speedometer kicks it own ass back to 0 very fast. Repeatedly. After the 3rd time the security light came on and stayed on. This truck doesn't have a factory...

My 200 works great so far and looks good. I haven't had any problems out of it. Loud clean audio, Well balanced, Dead on freq. no matter what.