Trying to run LH2 with a TBolt under WinXP. I need to change her com port to 3,
which is where my serial-to-USB adapter is located -- and port 1 is in use.
I see in the tip sheet that I can use the command line. Trouble is, I can't
find it. Hitting most keys will display a menu of letters to
Hi Dick,
You could try doing a right click on the icon/link you use to call Lady Heather
and select properties and then in the command line that shows add the /3 to
the end.
Hopefully, I explained that well enough and it will work !
BillWB6BNQ
Dick Moore wrote:
Trying to run LH2 with
Trying to run LH2 with a TBolt under WinXP. I need to change her com port
to 3,
which is where my serial-to-USB adapter is located -- and port 1 is in
use.
I see in the tip sheet that I can use the command line. Trouble is, I
can't find
it. Hitting most keys will display a menu of letters to
Hi
Sometimes a very small movement in the antenna can help. The antenna sitting
on a table inside the window probably does not do as well as the antenna
sitting on top of a flower pot outside the window.
Bob
-Original Message-
From: time-nuts-boun...@febo.com
Hi Brooke --
Good idea.
I was thinking of another way to get at least a sense of what's going
on: look at the input current from power-on and see if the current goes
down in a normal fashion as the ovens warm up. If the current stays
high, that would (presumably) mean that the voltage isn't
First: Find the directory where LH resides (mine is D:\Program Files
(x86)\Heather).
Click the Windows start icon
In the search windw type command
Click on the command prompt.
Change to the LH directory (I am using mine, you will have to find your own
location).
enter- D: (return)This
Hi all!
I am installing a timing GPS unit over a new location where I already have a
NMEA GPS with PPS (let's call it unit A). The NMEA GPS is logging every 16
seconds its GPGGA string.
I have a log with around 213400 samples. Each line is similar to this one
55817 48494.500 127.127.20.0
In message CAEdntmtEcC=_N1uwvNb2GZqVX8r-AXO81hw+SXF6=p+kegb...@mail.gmail.com
, =?ISO-8859-1?Q?Miguel_Gon=E7alves?= writes:
I have a log with around 213400 samples. Each line is similar to this one
[...]
I averaged the minutes of latitude and longitude, the MSL (278.9) and the
Geoid Separation
2011/9/13 Miguel Gonçalves m...@miguelgoncalves.com:
Hi all!
I am installing a timing GPS unit over a new location where I already have a
NMEA GPS with PPS (let's call it unit A). The NMEA GPS is logging every 16
seconds its GPGGA string.
The Oncore UT+ can does it's own site survey
I believe that should read WGS 84 not WPS84.
John WA4WDL
--
From: Chris Albertson albertson.ch...@gmail.com
Sent: Tuesday, September 13, 2011 5:03 PM
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Subject: Re:
Also, can you really trust Google Earth as an authoritative source?
I'm not sure.An interesting test would be to go find a USGS
benchmark or a section marker near you then enter it's location into
Google. See if Google hits the marker.
--
For what it's worth, my Thunderbolts here did a
Also, can you really trust Google Earth as an authoritative source?
I'm not sure.An interesting test would be to go find a USGS
benchmark or a section marker near you then enter it's location into
Google. See if Google hits the marker.
--
For what it's worth, my Thunderbolts here
Thanks!
I believe then that is best to rely on SynTac position averaging or the
auto-survey feature?
Regards,
Miguel
On 13 September 2011 20:24, Poul-Henning Kamp p...@phk.freebsd.dk wrote:
In message CAEdntmtEcC=_N1uwvNb2GZqVX8r-AXO81hw+SXF6=
p+kegb...@mail.gmail.com
,
Hi Chris!
The problem with auto-survey is that it doesn't report the averaged position
in the log file. I haven't checked if the binary protocol enables access to
this but if it does it's just a matter of patching the driver IMHO. If I use
auto-survey should I continue using mode 1 in ntp.oncore?
Hi David!
Same here.
I discussed this matter with a friend that did some GIS work a few years
back and we both believe that the unit reporting the wrong position might be
doing this because it's only seeing half of the sky (it is near a window
facing SE) while the other one sees the entire sky.
Google maps/earth is sometimes on the money, and sometimes not.
Remember, these are orthorectified images pieced together. That can't be
easy. [They are also on my fecal matter list since they trespassed on my
land (undeveloped) to place a satellite cross mark for a shoot. Needless
to say I
On Tue, Sep 13, 2011 at 2:23 PM, jmfranke jmfra...@cox.net wrote:
I believe that should read WGS 84 not WPS84.
Yes. G and P key are not even close.Put after writing this I'm
wondering how old the UT+ is. WGS84 must have been created in '84.
Chris Albertson
Redondo Beach, California
On 9/13/11 3:10 PM, gary wrote:
since they trespassed on my
land (undeveloped) to place a satellite cross mark for a shoot. Needless
to say I was pissed to see the big X on google earth, though now I have
free pointers for NEWS. The while paper had mostly rotted away.]
tangential to time nuts
Hi All
In my case the Google Earth position cf if the GPS averaged position is
within 3 metres of the physical position of my GPS RX but about 8 metres
from the physical position of my GPS antenna. Can anyone tell me if the
length of the cable has any affect on the GPS reported position or is
The position is solely defined by the location of the antenna. Once all of
the satellite signals enter the antenna, the time differences are fixed,
only the absolute time changes. The GPS receiver computes the position of
the antenna using time differences. The coax cable length can affect the
I think I mentioned this is a thread one before. If you are really interested
in position accuracy, you look up a calibrated point from the USGS that you can
safely and legally access, then take a reading. I say safely because many
points are in the middle of the street. Legally means no
On 13/09/2011, at 23:10, gary li...@lazygranch.com wrote:
Google maps/earth is sometimes on the money, and sometimes not. Remember,
these are orthorectified images pieced together. That can't be easy. [They
are also on my fecal matter list since they trespassed on my land
(undeveloped)
Thanks, y'all -- that addition to the directory path did it. LH works good!
Along the way, I discovered that on my machine, F11 toggles the screen size
between full screen, which I can actually read on my big display, and some
squashed version that's unusable.
Best,
Dick Moore
2011/9/13 Miguel Gonçalves m...@miguelgoncalves.com:
I guess the other question is what do you get with Lady Heather? That is,
how does it average your position?
I will try it over this weekend. I have to get a Windows PC. Only Macs and
FreeBSD boxes here.
I thought Lady Heather. If so
Your milage can vary significantly with use of antenna and receiver. Dualfreq
chokering and carrierphase shifts the degree significantly.
Cheers,
Magnus
Miguel Gonçalves m...@miguelgoncalves.com skrev:
On 13/09/2011, at 23:10, gary li...@lazygranch.com wrote:
Google maps/earth is
Congrats Dick,
I ran into the same problem the first time I wanted to use LH. I could not
find a way to change the COM port when first using it. However, once I
switched the TBolt to COM 1, let LH run and connect on COM 1, it was easy to
change it to another COM port using the various
Upon further investigation I learned that Lady Heather is only for Trimble
units...
I could borrow a Windows laptop from my company for a couple of days. That's
how I surveyed my window (current location of the GPS antenna) using SynTac
(formerly WinOnCore).
Cheers,
Miguel
On 14 September 2011
Much of the serial interface protocol used by these disciplined oscillators is
standard. I plugged my Symetricom into Lady Heather and most features worked.
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Lady Heather's precision (nominal 48 hour) survey collects data over multiple 1
hour periods. With 48 hours of data, multipath and transient disturbances are
minimized. It applies weighted median filters to the data and does other
statistical analysis to arrive at a final location. With a
On 9/13/11 4:24 PM, li...@lazygranch.com wrote:
I think I mentioned this is a thread one before. If you are really interested
in position accuracy, you look up a calibrated point from the USGS that you can
safely and legally access, then take a reading. I say safely because many
points are in
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