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Not quite as straight forward as I thought. The roof is think. I'll have to revisit this after I figure it out. The regular stud is an inch too short. Will report back

I'm drilling the hole tomorrow. I'll report back.

What is "RF congruent"?

It's just one more plate of the capacitor right? Did I win?

There's no problem since nothing is installed yet. I have a 102" fiberglass whip and big spring mount. The RV is my office on the farm. The thing I don't understand is why the roof would need an electrical ground at all. The radials on a base antenna don't have a redundant ground. (Redundant...

Yes it's one giant sheet of aluminum rolled out the length of the RV. Edit: No the sides are plywood and fiberglass. There is a cage of sorts but mostly the sides are non metal.

I'm not getting it. I thought extra grounding of the roof to chassis was to short circuit possible RF ground loops. That would be a resonance problem right? Which wouldn't be a problem if the roof was isolated from chassis? What's the difference between a counterpoised stationary antenna on a...

I have an old '84 Sunflyer with sheet aluminum roof. I haven't bothered to check for chassis ground because it's very very unlikely. I have Googled and I have read what I can about antenna theory. What's not sinking in is weather or not you need chassis ground for RF "ground". Any thoughts?

Moto Edit: Galaxy? Edit2: Also, why is there a big 2 1/2" blob of bees wax there?

Can anyone identify this board? I compiled a list of electrolytics. PITA.

I looked at my craftsman (which I have to say I love and would take over a fluke 78 or 87) ......doesn't have the plugs for component testing. That must be the other DVOM. The craftsman is supposed to do up to 10k uf. There's nothing in the radio bigger then 1k. That's 4 big caps inside a pretty...

I'll have to double check the DVOMs that I use. One is a Craftsman Pro Automotive type multi meter and the other is more of an electronics bench type multi meter. I think one or both of them have component tester sockets. If so, I could actually check the caps. Would I? Maybe just for...

Agreed. I believe this radio, circa 1980, would have bad electrolytics by now. I sent a Cobra 25 out to Loosecannon and he found at least two that had shorted. He gave her the full treatment and it's good as new. I'd like to see if I can pick out on the schematic which cap may be shorted...

Powers up but no audio at any volume. No static. Switched between PA and CB and I hear the speaker "pop" a little bit while switching. The meter light dims in CB mode and gets brighter in PA. I didn't key the mic. I found a schematic on CB tricks

I'll fix up the 56 today and test it in my truck. Actually I was thinking about buying one, so I was happy to find it in one of the huge Rubbermaid tubs o' radios. I have to make a cord for the Pacific radio. Edit: The 56 cleaned up ok. I think it's an oldie....circa 1980.

I picked up about 100 pounds of Maxtrac and Kenwood radios, along with a box sirens ans strobe controllers. In the lot, I found a Pacific 80 channel SSB radio. Never heard of or seen one before. I wiped it clean but haven't powered it up. No power cord. It came with an old road king 56 so I'm...

How about one bridge rectifier with one smoothing cap and one voltage regulator? If it works for one of the 300W outputs, Ill do all three. Also there are 3 legs out of each transformer. "Low", "common" and "high". I'm thinking low is close to 12V across common. High is probably more like 15V...

I just dig it out of the garage. It's like this but bigger: Basically three 300W power supplies in one box.

I have a big outdoor-lighting power supply. 1000W I think. Would it be worth it to try and mod it for DC? I doubt it's regulated and it's definitely Chinese (Home Depot). It was a freebie, left over from a job.

So you're at 12' then. I'm back to putting it on the roof as of last weekend when I was looking at fender brackets and how they work. The antenna detached easy enough and I still have my li'll Wil (which I whack before I lea e my driveway and at least twice on the way to work). :rolleyes: The...