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Thanks a lot A.Wally! Geo

Instead of saving the UCS20 file as a .spu file, save it as a tab delimited file.? Tab and comma separated files are options in the File/Save menu.? Those can be imported into Theremino after

Dude, Cal was originally 59.5 (Am), 662 (Cs-137) and 1333 (Co-60)This is also a test of the MCA and the probe, neither of which have been fired up recently.Geo

Coll, and thanks for looking at the .spu file, too bad it can't be converted. We were really lucky the .mca files can be!Geo

The E cal looks to be off the higher you go in energy. What did you use for the cal? Dud Sent: Saturday, December 28, 2019 8:46 AM To: [email protected] Subject: [XRF] CDY's Betafite CDY's Betafite Gamma

George, The betafite is one of the less interesting gamma specs in my collection. I has all the normal U238 decay chain peaks that are well documented. Unfortunately, I can't import that file into

CDY's Betafite Gamma Scan on 2x2 NaI(Tl). 2X2 NaI(Tl), SpecTech UCS MCA, USX program. Are my peaks labelled correctly and is there a "universal" reference gamma scan chart with the peaks labeled as to

Randall, you can open the files with Amptek DPPMCA or the same ADMCA that I made them with. Both free on Amptek site or my site we linked earlier. George

DPPMCA from here: https://www.amptek.com/software/software-downloads/dp5-digital-pulse-processor-software

Just off hand, judging from No. 2 it looks like your "Columbite" does not auto fluoresce Ni. That is, the 16.61 photopeak is missing. However,the photopeak from the pure Nb at approx 16.4 does

That's a beautiful rendition Charles, I love it. Maybe some day I can do that conversion too. Charles, it's not so much does it have Nb, it's can we use the natural radiation to prove it has Nb.....

Looks to me you haven’t counted long enough to say anything. This peak isn’t even 25 counts. Dud Sent: Thursday, December 26, 2019 5:41 PM To: [email protected] Subject: Re: [XRF] Testing valididty of

It looks to me like your CdTe has enough resolution to say for sure that this does not have Nb. Charles

Equipment used- Amptek CdTe low energy X-Ray sensor with Amptek PX4 power supply/ MCA unit. The sensor/preamplifier head plus sample are inside a Pb-Cd-Cu graded shield with a total of 1" thickness.

Why rush? This is a hobby and learn as we go..... I have more projects than I will ever get to by the time I push up daisies. In retirement, slow is quite appropriate, at least for me. Dave - W?LEV

Nothing new, the second CdTe is the newestr AXR series is all. In a XR-100T head with preamp. It's been on the shelf waiting since maybe 2017, and has it's own power supply/controller, an analog PX2

Charles, did your friend Dr. Stefano work at CERN? Wondering if he would want to join our little group here?Geo

“…I would have had to do this anyway when the brand new sensor head on the shelf comes into service.”… What new sensor on the shelf? whatta ya got now? Dud Sent: Thursday, December 26, 2019

On Wed, Dec 25, 2019 at 01:18 PM, Dude wrote: Thanks for the tutorial Dude, it worked just as you explained. On the Si-PIN and earlier SDD outfit, they were new and had factory calibration, so far

Very good Charles. I have learned new things too thanks to Dudley. The "Ll" line is not in my X-Ray Data book or XRF charts at all, but the internet served it up, although you would probably never