Hello Brooke,
wow, great feedback on this item! Who is keeping track of all of the
interested parties?
How can we do a group purchase?
bye,
Said
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I have the adapter board for the HP10544a OXCO. (Adapter is part no.
05328-20027. Does anyone know whether the pinout is the same as the
oscillator pinout? (I think it may be different based on following the
traces.) Does anyone have a schematic or other information concerning the
board?
Shill bidding is putting false bids (from friends etc) on to drive the price
up when you are selling.
Putting a large first bid is sometimes done from someone going away for the
duration of the auction and putting on the highest amount he wants to pay in
an attempt to secure the deal in his
Re the dc requirements for this-
I suspect the -12 is only used for the RS232 interface and 25 mA
(from the datasheet) seems on the high side for that? 10 mA sounds
much more likely (as per the manual).
As well, the manual figure of 750mA for the +12 seems more likely
than the datasheet
I'd like to buy two units, if the price about $200-$250.
73
Hiro
JI1QGK
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I used the Contact Seller button and asked him where the units came from.
He confirmed they were from the same E911 box I got mine from. He must of got
that pallet I was trying to get! @#$%
Any ways here are my comments on them all though I'm a newbie at this.
Mine used a +12, two +5 and
I was really hoping for more like a low of $200 (or less) and a high of at
most $250 for one of these. That's not even considering shipping and doing
something about the power inputs.
Come on Brooke... Haggle the guy down, you can do it
Jason
I've gotten the discount schedule:
10-50 =
Mine used a +12, two +5 and a -7 VDC. I know the manual says the
thunder bolt requires a -12 but mine had a -7 on it
Is the -12 used for anything other than driving the RS-232 signals? I expect
that would work with almost anything.
The data out is Trimble propriety and you have to use
That seems like a lot of money for something you can build for around $100 !!
I've built two of the G3RUH/N1JEZ design and they work just fine.
Got one locking up a Tuned Cavity PLO at 970 MHz for UHF Cal, the other as
a Time Base reference for a couple of counters.
73, Dick, W1KSZ
-Original
Hi Brooke,
I Agree with Jason.
$300 is a good try for 50 units on his side, he probably paid $100 ea. for
them.
He was willing to let a single unit go for $250 on Ebay with all the hassle
of listing it, taking payment, paying Ebay and Paypal their 10% share etc.
He would probably let
In a message dated 2/13/2007 09:13:50 Pacific Standard Time, [EMAIL PROTECTED]
writes:
used the Contact Seller button and asked him where the units came from.
He confirmed they were from the same E911 box I got mine from. He must of
got
that pallet I was trying to get! @#$%
Hi
Hello guys,
I got my FTS4050 Cesium Reference, and have it up and running. It works
quite well.
The Beam current reads 1.8V (I guess this means 1.8mA?), and Zeeman works. I
am now fine-tuning with GPS.
Some questions I had:
* Can I read the remaining lifetime of the Cs tube out of
I doubt he even paid $100 each for them. If he has a few hundred of them he
probably got them on a pallet bundle in an auction or about to be junked.
He might be able to sell a few at a premium price on eBay, but after
that
As for eBay fees... my calculations show about $16 - $20 for
I doubt he even paid $100 each for them. If he has a few hundred of them
he probably got them on a pallet bundle in an auction or about to be
junked.
Exactly; If he has over 100 units it's highly unlikely he paid $100 a piece for
them. Very few people would pay that kind of money for so many
I think 10 or more have expressed an interest so far
[in a Thunderbolt group purchase]
I'd take one.
-ch
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Tell me more about NTP and GPSD?
I seem to remember downloding something that was suppose to translate Trimbles
messages to standard NEMA data but gave up trying to make it work.
-Original Message-
From: [EMAIL PROTECTED]
To: time-nuts@febo.com
Sent: Tue, 13 Feb 2007 9:58 AM
Subject:
Someone just posted Thunderbolt type boards for $275 on ebay. Claims might
have a better oscillator then stock Thunderbolt and 5 10mhz outs + power
supply. Still a good deal. Only three though.
- Original Message -
From: Robert Deliën [EMAIL PROTECTED]
To: Discussion of precise time
In a message dated 2/13/2007 12:34:00 Pacific Standard Time, [EMAIL PROTECTED]
writes:
As for the price, I would hold off. It is a nitch market. His first few may
go for $250 or more but eventually the prices will go down. He has a low EBAY
rating so he is new. Eventually he will figure
Hello
After putting the question in TAPR list about GPS, I have been
suggested to put here.
We (at our university research group) use Spirent Smartbits
Hardware... (http://www.spirentcom.com/documents/1374.pdf) They are
network traffic generator. They have ports separate ports that can be
On Mon, 2007-02-12 at 23:22 -0500, xaos wrote:
I have written a Linux based program that interfaces with many
Motorola receivers and provides a command line interface
for all functions.
Thank you George.
I had been looking for something like this for a while. Install was easy
and it's a Nice
The following is a list of the people who have expressed an interest in the
Thunderbolt.
Colin Bradley [EMAIL PROTECTED] 3 units
Robert E. Martinson [EMAIL PROTECTED] 1 unit
John Miles [EMAIL PROTECTED] 1 or 2 units Hal Murray [EMAIL PROTECTED] 1 unit
Said Jackson [EMAIL PROTECTED] 1 unit
Scott
I haven't had a chance to reply until now, but I would be interested
in a unit if the price is $250 or less.
On Feb 13, 2007, at 5:52 PM, Colin Bradley wrote:
The following is a list of the people who have expressed an
interest in the Thunderbolt.
Colin Bradley [EMAIL PROTECTED] 3
How good is the crystal on the Thunderbolt clones? How good is the software?
How do they compare to the Z3801A? Any chance the new toys will fill that
niche now that the source of Z3801As has dried up?
Speaking of Z3801As...
There are 2 on eBay. One at $600 BIN and the other at $255 with
I'd take one, too, if the price comes down a bit.
John
Colin Bradley said the following on 02/13/2007 06:52 PM:
The following is a list of the people who have expressed an interest in the
Thunderbolt.
Colin Bradley [EMAIL PROTECTED] 3 units
Robert E. Martinson [EMAIL PROTECTED] 1
I would be interested in two units at lower than $250 each.
/Björn
On Wed, February 14, 2007 1:30, John Ackermann N8UR said:
I'd take one, too, if the price comes down a bit.
John
Colin Bradley said the following on 02/13/2007 06:52 PM:
The following is a list of the people who have
Here is the updated list of persons who have expressed an interest is the
Thunderbolt group purchase.
Colin Bradley [EMAIL PROTECTED]
3 units
Didier Juges [EMAIL PROTECTED]
Tell me more about NTP and GPSD?
I seem to remember downloding something that was suppose to
translate Trimbles messages to standard NEMA data but gave up trying
to make it work.
All I was trying to say is that any reasonably determined hacker should be
able to get something working.
Add me for one.
John
Colin Bradley said the following on 02/13/2007 07:56 PM:
Here is the updated list of persons who have expressed an interest is the
Thunderbolt group purchase.
Colin Bradley [EMAIL PROTECTED]
3 units
Didier
Thought I would pass this on.
I was working on one of those GPS disciplined oscillators kits out there and
it didn't have provisions to read the NEMA data to see if it was locked or
not. So I was at the local electronics surplus parts store (AKA junk place)
and started looking for MAX232
Great tip. Thanks for sharing. You're lucky to have a decent surplus place
locally. If I were to walk into the only so-called surplus place we have and
asked for a MAX232 chip, I'd get blank stares. If it's not 50 years old, or
a new clone PC component, he won't have it or know what it is.
If you have an Internet access you can get a time reference with NTP
and even do timed captures.
We would like to get 2 GPS timing systems in order to test influence
of handovers in Wimax on moving vehicles.
What sort of timing accuracy do you need?
Assuming a few ms rather than a few
This cable had a DB 9 on one side and the other plugged in to the cell
phone. From his suggestion, I cut off the cell phone plug end and
stripped the wires. Plugged it in to a pc with procomm running in
chat mode. It was just a process of elimination to see which one
was sending data
You must have missed me:
Didier Juges [EMAIL PROTECTED]
Didier
Colin Bradley wrote:
The following is a list of the people who have expressed an interest in the
Thunderbolt.
Colin Bradley [EMAIL PROTECTED] 3 units
Robert E. Martinson [EMAIL PROTECTED] 1 unit
John Miles [EMAIL PROTECTED]
The latest list of interested Thunderbolt Purchase Persons (TPP's).
Colin Bradley [EMAIL PROTECTED]
3 units
Didier Juges [EMAIL PROTECTED]
1 unit
Robert E. Martinson
Is a GPS antenna and a Power Supply the only extras needed to have a fully
functional unit.
Connie
K5CM
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Behalf Of [EMAIL PROTECTED]
Sent: Tuesday, February 13, 2007 12:36 PM
To: time-nuts@febo.com
Subject: Re:
Can't help with Cs tubes, but the HP 5370 can do 12 digits/second and
many other amazing things, such as 20pS resolution time interval in
single shot, and 0.1pS in repetitive mode.
This is what I have learned about counters lately:
The 5370A is relatively common on eBay, I bought two units
Please add 1 unit for me:
Joe Landers [EMAIL PROTECTED]
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Colin Bradley
Sent: Tuesday, February 13, 2007 6:53 PM
To: time-nuts@febo.com
Subject: [time-nuts] Thunderbolt list
The latest list of
Connie Marshall wrote:
Is a GPS antenna and a Power Supply the only extras needed to have a fully
functional unit.
Connie
K5CM
That would be the case for a standard Thunderbolt.
Now, to know if your unit is any good, you need two others, and an Rb or
Cs oscillator would not hurt...
Do
On Wed, February 14, 2007 2:05, Hal Murray said:
I haven't looked carefully at the Trimble support in ntp. A quick poke at
google shows some discussion about adding Thunderbolt support, but I don't
see it in the latest source code.
Two other what? Thunderbolts? I'm new at this . . . would you be so
kind as to elaborate?
Thanks.
Steve K8JQ
Didier Juges wrote:
Connie Marshall wrote:
Is a GPS antenna and a Power Supply the only extras needed to have a fully
functional unit.
Connie
K5CM
That would
In addition to what Didier's saying about the 5370A, there is a 5370B up
there right now (
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=120086699371 ) that'll
probably work OK once the clock-source switch on the back is flipped to INT.
That was the case with another one offered by the same
Hi Didier,
that's great info thanks so much, I'll be looking for one... price seems
reasonable.
I have a 5334A and B, and love the fact that they run quietly. Something to
consider on the 5370. My dream counter is the 53132A, but those are so
expensive...
bye,
Said
Hi everyone,
I got a quote for the Symmetricom Cs tubes. No comment.
After having done a little research, we do not have any replacement tubes
for the FTS4050 Model. We have new tubes for Models 4040, 4065, and 4201.
The cost $17,800
bye,
Said
Well, some of us who have been on this list much longer than me can tell
you that when you only have one clock, it's pretty hard to tell if it's
working right, or how accurate it is. If you have two clocks, they
probably won't agree perfectly, and you have no way to tell which is
right, if
To answer the original question, a Thunderbolt or similar GPS standard is
MORE than capable of telling you if it is working properly. There is no
reason to use more than one of them at a single location. The Trimble
software will tell you how many nanoseconds the 1-PPS output is off, and how
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