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I confirmed that the last item on that was a result of a database that hasn't been updated from as far back in some cases as 2008. However, the correct number is not far off, lol. I was able to work out a compromise on cost with DAS to avoid the hassle of a return, so semi-happy ending here.

Yeah...

Pipe this invoice and tell me what you think. Keep in mind that some truck stop prices are actually cheaper for the exact same product than what DAS charged me for some of this. In particular, note my cost (unit cost column) and the suggested retail price (retail column) of the last item. I...

I've not had a single problem with their product until I found the broken antenna in their shipping carton. Maybe I've been lucky, lol!

Update from Tram-Browning. In an email dated today, they say that they changed their accounts to pre-pay before shipping. Pretty much guarantees I won't be restocking any Tram-Browning products, at least not directly from them.

Has anyone else started having issues with Tram-Browning's support and general attitude towards product and customer support? I'm not ready to post any details yet as I'm hoping the situation can be resolved, but I'm very close to discontinuing all Tram-Browning products as a result of what's...

As mentioned, you will need to check the bias level. There is a POT near the final for this purpose. Also as mentioned, different makers/batches of IRF520's can have different bias requirements. Short answer is usually yes you can do a drop-in replacement, but be aware its not 100% of the time...

Newer Uniden/Bearcats do seem to be using MOSFET's as standard, at least in the larger models. I've not looked that closely at their smaller models.

Here are a few more photos showing more detail. Still no closer to knowing what it is, lol! the bit in the middle looks like its holding an old razor blade or other sharp-edged item. I haven't tried to take that apart to see what it is yet.

I'm sure I'm not the first to do this, but here's an idea for reusing those old SO-239-style antenna mounting studs. If the main body of the SO239 section is in decent shape, use a punch/vice or other method to drive out the "guts". Locate a retainer nut from an old CB or HAM radio's SO239...

Yup, I remember seeing that on PSK reporter as well. I've been using FT8 on 10M to draw in new hams here at the shop with some success. Customers are amazed at just how far away you can make a contact, and it really sparks interest. The more new HAM's we can garner the better!

I almost ghosted this thread, but I was dying of curiosity. Glad I read it, there's enough wit to fill a casket! On a serious note, its a pretty interesting idea!

This wasn't an actual contact, but PSK reporter shows I was picked up just off the Northern coast of Antarctica earlier today.

Your guess is literally as good as mine, lol!

I acquired this as part of a lot of vintage radio gear (including some nice Heathkit transceivers that I'll put up for sale soon), but I have no idea what it is. My best guess is that it has something to do with a fancy crystal radio set. Anyone have the correct answer?

IC16 is an 8-pin DIP, 458.458 dual op-amp. It is used for amplifying the mic audio, and for handling transmit/receive switching. I've circled its location in yellow in the uploaded image. Incidentally, this is the same chassis as the original RCI 2950/2970 radios and their base-station derivatives.

I am about 99.999999% sure that the IRF520 was never used in that model from the factory. This is most likely after-market, either a botched repair attempt or power upgrade, but if your friend had it from new and never had any mods done, it does raise an eyebrow a bit. As for your current issue...

I agree with previous posters in that you need to identify the type of noise. Is it just general static or is there some sort of "note" to it, as in a discernible tone under neath it? If it sounds a bit like a 50/60 or 100/120 cycle hum in the static, then some of your issue is likely from the...

Amen!

I appreciate the vote of confidence, but hopefully we can figure it out without you having to make two 3-hour drives!