Title says it all. Need it for a Datum ts2100. The command set is different
between the svee6 and the ACEIII.
Norm n3ykf
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From: Paul
This is an acknowledged design flaw on their part. It will only
choose a user provided clock if the default pool is unavailable (short
or long term).
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Very helpful chap/bunch at Emerald.
Seems to work correctly here - my local stratum
No, you also need a GPIB extender cable for FULL function ...
Regards,
David Partridge
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of R.Phillips
Sent: 04 August 2014 17:11
To: Discussion of precise time and frequency measurement
FWIW, since I downloaded Emerald Time a couple days ago, I have not observed an
offset of my iPhone's clock from UTC(NTP) of greater than one second. My
carrier is T-Mobile. I'll keep watching to see if it stays this good.
Sent from my iPhone
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Hello, all
I went a bit overboard on ebay and ended up with a FTS1000A model
05818-501. I've found the datasheet for the FTS1000 on ko4bb's site, but
the model numbers does not match up. Does anyone know the spec for this
particular model (phasenoise/stability), and if there's reason to suspect
On Tue, Aug 5, 2014 at 3:24 AM, David J Taylor
david-tay...@blueyonder.co.uk wrote:
Seems to work correctly here - my local stratum 1 server is displayed if
it's reachable (i.e. I'm on my local network).
In the US it tries [0-3].us.pool and my local address. It chooses the
best three of those
From: Paul
In the US it tries [0-3].us.pool and my local address. It chooses the
best three of those and then it chooses one. The list also shows
(in pool.ntp.org) [0-3], europe, north-america. asia. oceania,
south-america and time.apple.com in that order. Is it the same in the
UK?
I knew about the GPIB but since I don't use it 99% of the time its not a
challenge especially since the only reason I extend a module is to fix it.
I did not know that there were 3 bay modules. Learn something every day.
But don't own one.
Regards
Paul
WB8TSL
On Tue, Aug 5, 2014 at 5:37 AM,
On 8/4/2014 8:23 PM, Brian Garrett garrettbrian1...@gmail.com wrote:
Heh, absolutely correct. many 'cell towers' (officially BTS's in GSM or
(e)NodeB's in LTE) can be controlled by one controller, up to hundreds
per. If you're near a TZ boundary, the controller (which is where the
location
I've run into a noise problem on the EFC line of my GPSDO engine at the
frequency of the oscillator. I've traced the source down to the 74HCT365 I'm
using to output the 1(or 5)MHz and 10MHz signals. When I pull it, the EFC
quietens down a lot. I'm seeing about 50mv of 10MHz noise at the
OK my 2 cents and others will have better comments.
You can use a far larger inductor in the efc line to try to reduce the
noise.
EFCs tend to be integrated by some cap. So they are slow moving compared to
the noise.
Better design is separate analog and digital supplies.
Regards
Paul
WB8TSL
On
I was able to quiet things down a lot by putting a 100 ohm resistor in
series with the 74HC output. If these guys drive more than a few inches of
wire, they ring like crazy. Also make sure you pay close attention to the
bypassing of the 5V supply. Make your bypass cap lead lengths as short as
On Tue, Aug 5, 2014 at 11:36 AM, Bob Stewart b...@evoria.net wrote:
I've considered switching the HCT out for a 74LS365, assuming my drive levels
are compatible. Unfortunately, I don't have one in stock, and I'm way out
of my pay grade, as they say. I've also thought about putting a 100uh
and use not to large capacity, because above the serial resonance
frequency [trace inductance, own inductance] it will be inductive!
73
Alex
KJ6UHN
On 8/5/2014 12:16 PM, Jim Harman wrote:
I was able to quiet things down a lot by putting a 100 ohm resistor in
series with the 74HC output. If
For EFC drive, I prefer to use a buffer fed from an analog power, so
that the power line noise is not as efficiently inserted into the EFC line.
Cheers,
Magnus
On 08/05/2014 10:00 PM, Chris Albertson wrote:
On Tue, Aug 5, 2014 at 11:36 AM, Bob Stewart b...@evoria.net wrote:
I've considered
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