LH is an excellent program, and it needs to be brought into
polite society, by making it run natively on all platforms.
Changing it to Python, and PyQT4, is easy, but there is a lot
of code base to sift through.
Once on Python, and PyQT4, it will run natively everywhere.
Including smartphones an
Well, you can run Windows 10 on the Pi...
As the question was running LH Server, perhaps it could be compiled as a
"Universal" Windows app.
On Sat, Jan 9, 2016 at 6:36 AM, Chuck Harris wrote:
> Unfortunately, LH uses a graphics toolkit that was written by
> John Miles, and it, and he, is window
On Sat, January 9, 2016 8:36 am, Chuck Harris wrote:
> Unfortunately, LH uses a graphics toolkit that was written by
> John Miles, and it, and he, is windows only.
Even compiling as just the server only still compiles and links the
graphics toolkit?
--
Chris Caudle
Hi
> On Jan 9, 2016, at 3:25 PM, Attila Kinali wrote:
>
>>
>
> Generally speaking: Faster CMOS better than slower CMOS in terms of phase
> noise.
> (Though, I have yet to see actual measurements of this)
The gotcha is that each family gets measured as the parts come out. Thus the
data
is sp
Attila,
On 01/09/2016 09:25 PM, Attila Kinali wrote:
On Sat, 9 Jan 2016 10:19:05 +0800
Li Ang wrote:
In some article, I see people use a D-flipflop to sample the input
signal with reference clock. When you want implement a mixer what's the
difference between D-flipflop and XOR gate?
A
In message <20160109212523.39180e2b7a788fe1ee2d7...@kinali.ch>, Attila Kinali
writes:
>Single gate chips better than multi gate chips.
>(no interference through the power supply of the different sub-parts)
Would paralleing multiple gates in the same chip make things
better or worse ?
-
On 1/9/2016 12:44 PM, Attila Kinali wrote:
The purpose of the input circuit is to convert the RF input signal
into a low-jitter square wave that can drive the PIC clock input.
The circuit is closely based on the one published by Wenzel at
http://www.wenzel.com/documents/waveform.html, with modif
Splitting the resistor in 2 and ac coupling the emitters together reduces the
effects of Vbe and/or base biasing mismatch allowing a more symmetric output
and/or operation at lower input signal levels.The inductor reduces the high
frequency variations in the total emitter current. It also reduce
On Sat, 9 Jan 2016 10:19:05 +0800
Li Ang wrote:
> In some article, I see people use a D-flipflop to sample the input
> signal with reference clock. When you want implement a mixer what's the
> difference between D-flipflop and XOR gate?
A D-Flipflop is a rather weird mixer. I have not done t
Moin John,
Yes, I know I am comming back to an "old" discussion, but I have questions
that need to be answered! :-)
On Wed, 06 May 2015 08:56:10 -0400
John Ackermann N8UR wrote:
> Wenzel has published the schematic of an excellent squaring circuit. I
> don't have the URL for their version han
> It seems to me that the code they use for the 6731M signal is botched,
> anybody who can confirm ?
Indeed, see the attached plot (from a recording I made earlier this
evening): the master signal is totally lacking the 180 degree phase
code modulation, while the slave signal does have it.
R
Thanks for responding. Unfortunately I don't have another GPS receiver.
The coax is RG6 with solid center conductor. I can put AIM4170 antenna
analyzer on it but mine only goes up to 180 MHz. Coax could show quite OK
at 180 and be a lot different at 1500. Won't hurt to try tho.
On Fri, Jan 8,
On 1/9/2016 6:36 AM, Chuck Harris wrote:
Unfortunately, LH uses a graphics toolkit that was written by
John Miles, and it, and he, is windows only.
I got started on converting it to PyQT4, but got side tracked.
Maybe this year is the year I get all of the stuff I have promised
done?
-Chuck H
Unfortunately, LH uses a graphics toolkit that was written by
John Miles, and it, and he, is windows only.
I got started on converting it to PyQT4, but got side tracked.
Maybe this year is the year I get all of the stuff I have promised
done?
-Chuck Harris
Ed Armstrong wrote:
Has anyone succe
Magnus
Thanks what you are saying and what I see in the NIST paper 2028 agree.
Thats why I decided to ask.
I am not using timelab as I mentioned. Instead a HP3575 Gain and phase
meter with a windaq charting a/d and program. The reference a HP5071 in
very good standing.
I guess in the case of the c
Hi
You can use a D flip flop to sample (down convert) a signal. You may or
may not get into metastability problems when you do.
If you treat the gate inputs as -1 and +1 rather than 0 and 1, the XOR is a
multiplier. If you put two signals into the gate and look at the output on a
spectrum ana
If there is a problem in the RF front-end, no software can report
this... actually the only way to test the radio section of a GPS
receiver is to just connect it to an antenna (unless there is a GPS
simulator available).
On Sat, Jan 9, 2016 at 2:49 AM, Michael Bauer wrote:
> My subj Nortel Trimbl
I've got a Nortel / Trimble NTGS50AA which I've modified for PPS out
connected to a raspberry pi NTP server.. I've got it using the PPS and
the type 29 "Palisade" clock as the prefer server. 2 other public NTP
servers and all is good.
When I try to use just the GPS & PPS, it works for a few mi
Has anyone successfully ran Lady Heather Server On Raspberry Pi 2 Model
B? As it's not an x86 architecture processor, I assume Wine is no use
and a custom compile is needed. Am I correct? Can any of you suggest
where I can learn to do that, I'm rather new to Linux.
Thanks
Ed
__
Paul,
On 01/09/2016 03:05 AM, paul swed wrote:
I have been looking at the subject of Allen deviation and this has been
discussed numbers of time on Time-nuts.
But my question is this.
If an oscillator is stable in frequency but shifts phase 90 degrees and
then comes back in a short time. From m
Can you attach another gps reciever to the coax and confirm it's a
receiver issue?
Can you test coax with a load on one end and a antenna analzyer at the
other to ensure performance at some reasonable value (432 MHz)?
RG-59 (solid core) can do some odd stuff.
73 from el89va
n3ykf
On Fri, Jan 8, 20
Running a little late here in responding. But I give thanks to both Bob Camp
and Tim Shoppa for exposing my oversight about finding the spec for this
oscillator on the (where else?) CTS site. I originally tried but was not
inserting the proper part number in their search field.
Guess the neur
Hi Bob,
In some article, I see people use a D-flipflop to sample the input
signal with reference clock. When you want implement a mixer what's the
difference between D-flipflop and XOR gate? Acorrding to my understanding,
to multiply 1bit with another, I should use an AND gate, right?
When
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