[RTTY] [dxlab] Need to change GU0SUP setup

Robert Chudek - K0RC k0rc at citlink.net
Mon Dec 28 15:16:19 PST 2009

Hello Phil,

Sometimes the symptom of a "freezing PC" is caused by fans that stop working or excess dust/hair/dirt that has collected and restricting the airflow. I'm not suggesting you should not take the plunge to upgrade your computer, but fixing the existing machine might allow it to do "other duties" around your household.

There is internal thermal protection on the CPU chip that will halt their operation if the temperature threatens its survival. You might removed the cover and see if the freezing symptom is reduced or eliminated. One recommendation is to take the computer chassis outside and give it a thorough "blowing" with compressed air.

In any case, we all need GUØSUP on the air so take the necessary steps needed to ensure you add to the QRM during 2010! We all will be looking for you!

73 de Bob - KØRC in MN

  ----- Original Message ----- 
  From: Phil Cooper 
  To: RTTY ; MMTTTY Group 
  Cc: DXLab 
  Sent: Monday, December 28, 2009 1:56 PM
  Subject: [dxlab] Need to change GU0SUP setup

  Hi all,

  I need to get a new PC for the shack. The current PC has a problem, in that
  it keeps freezing. I suspect a hardware issue, rather than a software issue,
  as there is nothing in the Event Viewer that points to a software problem.
  Also, it kind of depends on where the PC box is sat. If I move it a little,
  it just freezes. I have already had to replace the soundcard, as my old SB
  PCI128 seems to have failed, but the replacement SB Live 5.1 just won't
  behave with PSK31, and other AFSK modes.

  So, I am looking to get a new PC - probably a self-build job, and will opt
  to run WinXP + Service Pack 2.

  As most new PC's don't have COM ports, I need to find a way to cover the 4
  COM ports I currently have installed.
  They are used for:
  Com 1 is RF packet (via a TNC - backup to my internet connection)
  Com 2 is FSK Keying (via a Buxcomm Rascal)
  Com 3 is PTT
  Com 4 is CW for Writelog.

  So, what do others use? I've ruled out the Tigertronics Signalink, as it
  doesn't do FSK, so maybe it is time to get a MicroHam interface?
  I've looked at their website, and got a little confused! Which one would
  suit my needs?
  And will it cover Com 2 to 4 above all via one USB port?

  I may also need a new soundcard, so which are better, and more freely
  available? The plan would be to use one soundcard for RTTY/PSK31 etc, and
  the on-board card for Windows sounds.
  Again, what do others use? Is there a built-in soundcard in any of the
  MicroHam interfaces? If so, that would be an advantage over the newer USB
  Buxcomm Rascal.

  I could possibly do without the RF packet connection (currently on Com 1) as
  this is only used on occasions when a bit of RF gets into the wireless
  dongle used to connect to my Wi Fi.

  The main software in use here is MMTTY, both alone for non-contest work, and
  Writelog for contests. I also use Digipan and other digi-mode softwares for
  those odd occasions when I chase DX on PSK if there is no RTTY.
  My shack logging system is the DX Lab Suite, for which I use most components
  apart from WinWarbler, as I prefer the basics of MMTTY.
  My rig is an Icom IC756Pro, but I keep looking at the IC7600 or even the
  IC7800 for the future.
  What should I look for in an interface? Will the MicroHam do all this?

  Any thoughts/ideas would be most welcome by emailing me direct to pcooper
  (at) guernsey.net

  I will try to be active in the ARRL RTTY Roundup, but if I just stop
  mid-exchange, it is because the PC has frozen! But, I'll get back as soon as
  I can get the PC re-booted!

  73 all and a very Happy New Year 2010 to everyone!

  Phil GU0SUP

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