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The 7S14 batteries have a voltage of 1.35 volts, New silver oxide batteries are about 1.55 volts. You can replace these mercury types safely with silver oxide types in a 7S14. I have done this about

It is both a massive relief and deeply worrying when this sort of thing happens. My 7L5 has got a similar quirk - the spectrum will shoot off 800kHz up the display from the reference dot - and then

Why would you assume that? This failure wouldn't have anything to do with the front end. It sounds like a CPU glitch of some sort. The problem's not likely to be gone forever, but not likely to

Here's another piece of early GR stuff I saw on eBay just now - item 3801842023. This is an 804C UHF signal generator. Looks like it is 1940's (it certainly predates the 1956 catalog that I

My 2753P Spectrum analyzer gave me the scare of my life. I had not used the unit in about a month, but tonight I built a filter and I had to see the response. I have a TR503 Tracking generator and

I'm at the $2 windows saying it doesn't last 3.. Regards, don f. KR4XH

I generally turn down the intensity quite a bit when not viewing the trace. I watch for that on some of the older tube scopes..because if stops sweeping trace could end up as a dot. Mark Anton,

Grobbins got a virus! Grobbins got a virus! Neener, neener, neener! Well, it is about time for a little public humiliation of the "no- clues" that click on an attachment. Unfortunately, Grobbins has

I think i might have mentioned before on this list, an item that works well for a screen filter is lighting gel material. You can pick the color....use one that is close to the color of the trace.

Please have a look at the attached file.

RG8/U is still alive at Belden in the form 'RG8A/U Type', but being referenced to MIL-C-17D can not be too far off. At the first glance, RG213U appears to be similar, but there must be some minor

But it will have to be surplused first before I can even have a shot at it. Surplused to me means big black hole. Damn.

Ask NR1DX, He Often Has The Disc On His E-Bay Auction. Just Search By Single Seller, And Enter NR1DX. Has Quality Scans Available. Greyhawk

The only kind of mercury cells I can find can be seen at http://www.px625.com/px625/main.cgi I have ordered cells from here before for my older Rollei SLR light meter. The cells I received appeared

I have two of these units. One has a bad battery but the other one is still working fine after 25 years! Dennis

Hi Bill, I generally use just about any random piece of RG58 that is 2-6 feet long for these applications. It really does not seem to make a lot of difference. It will make more difference when you

Yes. newell

Does anyone have a digitized manual...?

Funny, I was going to ask if there were any symptoms of weak cells. Anything to watch out for? newell

Howdy all- With all the talk of TEK samplers and the mention of the 7S14, I wonder what are we 7S14 owners to do these days when it comes to replacing the bias batteries in the 7S14? I gather