I think the combination of a GPSDO of some kind, plus a multi-capability standards set like this one would cover most of what you will practically need. Much of the test gear will take the 10 Mhz GPSDO output as a frequency reference which ensures your gear is running at the right indicated speed/times. And then for the various other stuff, try this:
I've got a version of that unit and it's been great for the 5 or so years I've had it (I'm a satisfied customer). Provides L/C/R AC/DC. And it will cover anything hams will need to service ham gear.
Generically speaking, to go from "pretty certain the absolute accuracy is very close" to the next step "highly certain" takes you down a rabbit hole that literally has no limit from a money sucking potential. If you want to get a feel for just how deep that can go, check out the time-nuts and volt-nuts reflectors.
73/jeff/ac0c alpha-charlie-zero-charlie www.ac0c.com
Pretty sure this is just a GPS Disciplined Crystal Oscillator. Not much Rubidium in this one;-)
However, this is still a very useful frequency standard.
Cheers...Bob VK2ZRE
On 4/08/2025 8:58 pm, jahman via groups.io wrote:
On Sun, Aug 3, 2025 at 11:57 PM don Root via groups.io <drootofallevil=teksavvy.com@groups.io> wrote:
Clint, how did you come by "my Rubidium time base."? The ones I see advertized would clean my pockets out just for a down payment.
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𝔻𝕠𝕟 VA3DRL [ GIO might place this at the bottom of Quoted text, and not my text]
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