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Re: [linrad] LF beacon Linrad S file



Hi Roger.
Thank you for file recorder with Time Machine

73 de Ermanno / ik7ezn


----- Original Message ----- 
From: "W3SZ" <w3sz@xxxxxxxxxxx>
To: <linrad@xxxxxxxxxxxxxxxxxxxxx>
Sent: Saturday, October 12, 2002 6:21 AM
Subject: [linrad] LF beacon Linrad S file


> Kohjin and all:
> 
> There is another LF Linrad S file taken with the Time Machine 
hardware,
> without the broadband noise at 60000 (360 KHz).  It is at
> http://www.qsl.net/w3sz/vlf3.bz2 .  There is still broadband pulse 
noise
> that Linrad is doing a GREAT job of eliminating in this file.
> Look/listen with the smart and dumb filters on and then off; 
amazing!! I
> listen / play with Linrad in WCW mode (A).  This file is about 2 
minutes
> at 90 KHz-plus bandwidth.  So it is 34.255 MB compressed.  Thank
> goodness for cable modems ;)
> 
> A gif file taken of Linrad screen shortly after the noise at 60000
> disappeared is at http://www.qsl.net/w3sz/vlf3.gif
> 
> When you run the S file or look at the gif file you will note
> 
> Beacons at 27000 and 29080
> 55020 and 57070
> 62010 and 64060
> 86980 and 89080
> 
> Enjoy!
> 
> This will be the last S file for a while unless there are special
> requests, and unless I have time to get some EME files as Kohjin
> requested.
> 
> After I recorded this band conditions improved and I was able to 
receive
> in addition to the above LF Navaid beacons from Puerto Rico and 
Cuba, as
> well as Sudbury, Canada.  But I did not make an S file at that time.
> 
> 73,
> 
> Roger Rehr
> W3SZ   FN20ah
> 2 Merrymount Road
> Reading, PA  19609-1718
> http://www.qsl.net/w3sz
> 
> 
> > -----Original Message-----
> > From: owner-linrad@xxxxxxxxxxxxxxxxxxxxx
> > [mailto:owner-linrad@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Kohjin 
Yamada
> > Sent: Friday, October 11, 2002 8:53 PM
> > To: linrad@xxxxxxxxxxxxxxxxxxxxx
> > Subject: RE: [linrad] Linrad Questions
> > 
> > 
> > Hi Roger good evening,
> > 
> > I woke up a little late this morning and saw good news from b

> > you! I will try first download Leif's new one and next yours. I 
will 
> > give you informed shortly.
> > 
> > Almost two years lovely grand son will visit us this week end so 
I'll 
> > be busy some, Hi:-)
> > 
> > Also, I have recently finished the evaluation of RedHat 8.0 which 
> > ended up badly I will report this to the reflector. Maybe some 
chance 
> > with lir00-48?
> > 
> > More later, thanks anyway,
> > 
> > Kohjin - JR1EDE
> > 
> > At 16:15 02/10/11 -0400, you wrote:
> > >HI, Kohjin!
> > >
> > >I have placed the following bzip'd Linrad S files on the web.  
These 
> > >are nothing special.  I didn't wait till the bands were hot, or 
look 
> > >for special signals.  I was working when I got your message,
> > and it was
> > >the middle of the night here, so I just took 'The Time
> > Machine' to the
> > >band in question and recorded 30-90 seconds (roughly) of a
> > 90 KHz or so
> > >swath of the band, at 0030 local time this a.m. while between 
work 
> > >duties.  I just made sure there were some signals in each
> > file and then
> > >uploaded them to the web.  The HF band files were obtained
> > by hooking
> > >up an R7 vertical to the input BNC connector of The Time
> > Machine.  The
> > >VLF file was obtained by hooking up a 108 inch active antenna to 
the 
> > >AMRAD VLF converter, which was hooked up to the BNC input
> > connector of
> > >TTM. Output (I/Q) of TTM went directly to Linrad.  Each file
> > starts at
> > >an even 100 KHz mark on the band in question and goes up 90 KHz 
from 
> > >there. I have lots of birdies, but there are interesting signals 
as 
> > >well.  On the VLF file there are 3 or 4 beacons, which
> > appear on Linrad
> > >(when run at the proper waterfall speed) as pairs of vertical 
dashed 
> > >lines around a central carrier.  The dashed lines are of course 
the 
> > >morse code identifiers of the beacons.  All files were made with 
the 
> > >appropriate plug-in band filter supplied for that band by the 
folks 

> > >
> > >http://www.qsl.net/w3sz/vlf1.bz2 6.932 MB      size 300-390 KHz 
VLF
> > >Morse Beacons
> > >
> > >http://www.qsl.net/w3sz/40m1.bz2 12.611 MB size 40 meter CW band
> > >
> > >http://www.qsl.net/w3sz/40m2.bz2 17.936 MB size 40 meter DX phone
> > >
> > >http://www.qsl.net/w3sz/20m1.bz2 19.620 MB size 20 meter phone
> > >
> > >I checked the URL's and all of these are available for download.
> > >
> > >Let me know your comments, and if you want something else I
> > can try to
> > >do it.
> > >
> > >
> > >
> > >73,
> > >
> > >Roger Rehr
> > >W3SZ   FN20ah
> > >2 Merrymount Road
> > >Reading, PA  19609-1718
> > >http://www.qsl.net/w3sz
> > >
> > >
> > >
> > >
> > >> -----Original Message-----
> > >> From: owner-linrad@xxxxxxxxxxxxxxxxxxxxx
> > >> [mailto:owner-linrad@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Kohjin 
> > >> Yamada
> > >> Sent: Thursday, October 10, 2002 8:01 PM
> > >> To: linrad@xxxxxxxxxxxxxxxxxxxxx
> > >> Subject: RE: [linrad] Linrad Questions
> > >> 
> > >> 
> > >> Hi Roger,
> > >> 
> > >> Thanks for your nice input.
> > >> 
> > >> At 18:47 02/10/10 -0400, you wrote:
> > >> >With Leif's help I modified them to decrease 0 frequency
> > >> noise, and I
> > >> >also don't use their oscillator due to phase noise;  I
> > use external
> > >> >oscillator.
> > >> 
> > >> If I were, I would do the same.
> > >> Did you use PTS or xtal osc?
> > >>   
> > >> >If you want I can make and send you some gif files of the
> > >> spectra with
> > >> >them, or some Linrad S files.  Just tell me what you want
> > >> (band, mode,
> > >> >file size, etc) and I can post them to my web site.
> > >> 
> > >> I appreciate as huge as possible!
> > >> Any band or mode but I prefer 144MHz EME of course.
> > >> 
> > >> Thanks as always,
> > >> 
> > >> Kohjin - JR1EDE
> > >> 
> > >> 
> > >> 
> > 
> > 
> > 
> > 
> 
> 

LINRADDARNIL
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