Re: [time-nuts] Thunderbolt - Hardware Versions - PerformanceDifferneces

2007-02-15 Thread John Miles
I guess it depends on whether you are after a frequency reference or a phase
reference.  My (commercial) Thunderbolt has no problem delivering 1E-10 or
better over 1 second (usually MUCH better).  Jitter has never been a problem
for me, and I couldn't care less about holdover performance, since I don't
run my own cell site.

If all you want is a reliable, plug-and-play source of 10 MHz, there are
literally no drawbacks to these boxes.  They just work, and $200-$250 is a
fair price for them.  People with Z3801As tend to fiddle with them until the
cows come home in my experience, and that's fine if that's what you're into,
but... wait, what list is this again? :)

-- john, KE5FX

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
 Behalf Of [EMAIL PROTECTED]
 Sent: Thursday, February 15, 2007 7:35 AM
 To: Discussion of precise time and frequency measurement
 Subject: [time-nuts] Thunderbolt - Hardware Versions -
 PerformanceDifferneces


 I'm lucky enough to own a couple of Thunderbolts as well as some of the
 different telecom versions and they DO NOT have the same
 performance.  The
 commercially available Thunderbolt (the one comes in the little
 red box) has
 the least favorable performance when compared to the industrial versions.




___
time-nuts mailing list
time-nuts@febo.com
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts


Re: [time-nuts] Thunderbolt - Hardware Versions -PerformanceDifferneces

2007-02-15 Thread Jason Rabel
I don't know about everyone else, but I'm willing to wait a while (a long
while) if it means we could get them for around $100. I have no actual
current need for one, I mostly just wanted one (or more if the price is
right) just to tinker with and see how it compares. If he isn't willing to
come down on his current price then that is his loss, I could pass on this
deal and not loose any sleep over it. The great thing about the cellular
industry is they are constantly upgrading their hardware so something else
will inevitably come along. :)

Yes, I agree too that a few units should ship initially to someone to test
out and verify they are working and not fried or damaged.

Who knows, maybe after he is not able to sell any more at the current
premium price, he would be more willing to just dump the entire surplus
cheap to one buyer. I can take freight delivery at the office (Houston, TX),
store them in the warehouse, test, and re-ship them out via UPS or USPS.
Someone in Arizona would probably be the most ideal, as it would be out of
state (no sales tax) but not far to ship.

Jason


___
time-nuts mailing list
time-nuts@febo.com
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts


Re: [time-nuts] Thunderbolt - Hardware Versions -PerformanceDifferneces

2007-02-15 Thread John Ackermann N8UR
I'll be honest -- I'm in the same boat.  I'd like to get one, well, 
because it's there. :-)  But I'm in no rush and if waiting a month means 
I can buy two for $100 instead of one for $200, I'll wait.

John


Jason Rabel wrote:
 I don't know about everyone else, but I'm willing to wait a while (a long
 while) if it means we could get them for around $100. I have no actual
 current need for one, I mostly just wanted one (or more if the price is
 right) just to tinker with and see how it compares. If he isn't willing to
 come down on his current price then that is his loss, I could pass on this
 deal and not loose any sleep over it. The great thing about the cellular
 industry is they are constantly upgrading their hardware so something else
 will inevitably come along. :)
 
 Yes, I agree too that a few units should ship initially to someone to test
 out and verify they are working and not fried or damaged.
 
 Who knows, maybe after he is not able to sell any more at the current
 premium price, he would be more willing to just dump the entire surplus
 cheap to one buyer. I can take freight delivery at the office (Houston, TX),
 store them in the warehouse, test, and re-ship them out via UPS or USPS.
 Someone in Arizona would probably be the most ideal, as it would be out of
 state (no sales tax) but not far to ship.
 
 Jason
 
 
 ___
 time-nuts mailing list
 time-nuts@febo.com
 https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
 
 


___
time-nuts mailing list
time-nuts@febo.com
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts