Re: [time-nuts] The future of Telecom Frequency Standard surplus

> On May 31, 2017, at 7:07 PM, Bob kb8tq wrote: > > Many systems are indeed going to much tighter holdover numbers. That is > requiring either a much better OCXO or an Rb as a holdover So sync limits are going down. 4G-TDD has a node to node limit of 3µs / node to UTC of

Re: [time-nuts] The future of Telecom Frequency Standard surplus

I think there will be fewer useful parts. The reason is integration. In the old days they would buy off the shelf equipment like a GPS receiver that was inside its own box and was cabled to something else. A better newer design would be to use a "GPS Chip" can route the output not using a

Re: [time-nuts] The future of Telecom Frequency Standard surplus

Hi The flip side of this is that the number of hardware junkies is not increasing. The world is moving to software as the way to do things. As we all move on, our giant piles of stuff will have to go to somebody (or the landfill). Most of this stuff is built to last a *long* time. There are a

Re: [time-nuts] The future of Telecom Frequency Standard surplus

On 5/31/17 8:47 AM, Tom Knox wrote: I think many of us Time-Nuts have played with the wide range of frequency standards surplussed from the Telecom market. My questions is, will the quality of future surplus offerings go up or down as 4G and in the more distant future 5G surplus Frequency

Re: [time-nuts] The future of Telecom Frequency Standard surplus

Jerry that is indeed the likely reality. As more and more components become integrated into super chips it becomes impossible to repair or replace them. They are custom and proprietary to a company. Best of all the supporting software will be a subscription and of course since the company no

Re: [time-nuts] The future of Telecom Frequency Standard surplus

HI Simple answer is: That depends. A number of systems are going to network based sync. That moves the “good stuff” back to a central location. The local “mini tower” will have some pretty basic parts in it. The number of mini whatever’s goes way up compared to an old style system. The

Re: [time-nuts] The future of Telecom Frequency Standard surplus

Tom, Another question is will the surplus equipment have the same value to the hobbyist? I have a lot of old gear like spectrum analyzers, scopes, signal generators, etc that was outdated and sold for cheap. I keep wondering if the same economics will apply to the equipment that is for