NTP question

Mike Hammett nanog at ics-il.net
Wed May 1 21:05:03 UTC 2019

I looked before at who had spectrum allocations in the frequencies my boxes supported. I then used Cell Mapper to figure out what technology was deployed on that frequency. IIRC, both US Cellular and Verizon had basic CDMA running in my area on those channels. Sprint was running LTE and 1x Advanced (or something like that), so probably wouldn't have worked out. If Verizon is dropping theirs, then depending on only one company seems a bit unwise.... which means I gotta find some kind of solution by then. *sigh* 

Mike Hammett 
Intelligent Computing Solutions 


----- Original Message -----

From: "Brielle Bruns" <bruns at 2mbit.com> 
To: nanog at nanog.org 
Sent: Wednesday, May 1, 2019 3:58:57 PM 
Subject: Re: NTP question 

On 5/1/2019 2:50 PM, Andreas Ott wrote: 
>> If you can't get a good spot for an antenna, you could be on the lookout 
>> for a CDMA NTP clock. 
> CDMA service is about to be retired in several places, please check 
> in your area before you install a "new" CDMA based time server. 
> C.f.https://www.verizonwireless.com/support/knowledge-base-218813/ 
> I looked into the same thing and decided not to go with CDMA. 

There's actually a few other CDMA networks in our area (Boise) besides 
Verizon, so it wouldn't hurt to look. I seem to remember Sprint is 
planning to go to 2021? There also appears to be a few smaller 
independent CDMA networks around as well. 

Brielle Bruns 
The Summit Open Source Development Group 
http://www.sosdg.org / http://www.ahbl.org 

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