From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Joseph
Gray
Sent: Wednesday, February 24, 2016 10:37 PM
To: Discussion of precise time and frequency measurement
Subject: [Bulk] [time-nuts] Z3801A holdover
I just took a look at my Z3801A that has been in holdover for some time. I
ha
roblem.
>>
>> Does anyone know anything about how to repair these receivers?
>>
>> Thanks.
>>
>> Joe
>> WB4BPP
>>
>>
>>
>> -Original Message-
>> From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of J
anks.
Joe
WB4BPP
-Original Message-
From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Joseph Gray
Sent: Wednesday, February 24, 2016 10:37 PM
To: Discussion of precise time and frequency measurement
Subject: [Bulk] [time-nuts] Z3801A holdover
I just took a look at my Z3801
Joe
It would have been helpful to see the graph BEFORE you power-cycled if
you still have that data stream
I would not jump to any conclusions at this point until the power supply
voltages have been checked . Downloading the schematics from KO4BB.com
of the power supply and oven control
measurement
Subject: [Bulk] [time-nuts] Z3801A holdover
I just took a look at my Z3801A that has been in holdover for some time. I have
been too busy to do anything about it until now.
Before looking at the receiver stats just now, my first guess was that the
Oncore GPS board went bad. However, I
Dave,
Thanks for the tips. I also got a message off list telling me about
the EFC issue and that I missed this discussion recently on the list.
Last night, I power cycled the Z3801A. It has been running all night.
Attached is the graph you requested. If I read this correctly, yes, it
looks like
Hi
The TRAIM error will happen with a small number of sats and a location
estimate that is less than perfect. I would not go to crazy about that part.
First question — why so few sats? You really need to have full screen of
locked sats. That can be a feed line / antenna issue. The old Oncore
On 2/24/2016 11:37 PM, Joseph Gray wrote:
I just took a look at my Z3801A that has been in holdover for some
time. I have been too busy to do anything about it until now.
Before looking at the receiver stats just now, my first guess was that
the Oncore GPS board went bad. However, I see that it
I just took a look at my Z3801A that has been in holdover for some
time. I have been too busy to do anything about it until now.
Before looking at the receiver stats just now, my first guess was that
the Oncore GPS board went bad. However, I see that it is currently
tracking 4 sats. I also see