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Re: [tracker2] Audio frequencies

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  • Scott Miller
    Yeah, the test tones should be the same as the actual tones. They re compiled into the AFSK modulator code. Scott
    Message 1 of 6 , Mar 6, 2010
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      Yeah, the test tones should be the same as the actual tones. They're
      compiled into the AFSK modulator code.

      Scott

      Gerd Steinruecke wrote:
      > Scott,
      >
      > thanks for your reply. When i got you right the audio tones in the test mode
      > are the same as during real operation? So in my case
      > 1200 / 2200 Hz for 1200 baud and 2100 / 2300 Hz for 300 baud? Sorry, but due
      > to a current lack of any measurement equipment in my shack i can't find it
      > out on my own and i have to ask this (the single tones were measured with a
      > simple DMM).
      >
      > If that is the case i could live with it, as you mentioned i just would have
      > to tune to another center freq on HF.
      >
      > Unfortunately PSK-31 (or even PSK-250 for) doesn't work yet wih the T2m ....
      >
      > Best regards
      > Gerd
      > DJ4KH
      >
      >
      > ----- Original Message -----
      > From: "Scott Miller" <scott@...>
      > To: <tracker2@yahoogroups.com>
      > Sent: Sunday, February 28, 2010 7:13 PM
      > Subject: Re: [tracker2] Audio frequencies
      >
      >
      >> The 300 baud tones have changed a couple of times. In the source code
      >> it's just a couple of DEFINEs and there are notes on how to set them.
      >> No one can ever agree on what tones to use for 300 baud, but on SSB it
      >> doesn't really - you just need to take the offset into account when
      >> setting the dial frequency.
      >>
      >> Scott
      >>
      >> dj4kh wrote:
      >>>
      >>>
      >>> Hi all,
      >>>
      >>> i bought my tracker some weeks ago and finally i found some time to try
      >>> to set it up together with an IC-706MK II G. I want to use it on HF.
      >>>
      >>> Using the main config tool (otwincfg.exe) in the tuning / diagnostics
      >>> mode i observed that the audio output frequencies differ with the baud
      >>> settings. When i tick the 1200 baud box the HIGH tone is about 2200 Hz
      >>> while LOW is 1200 Hz. This complies with the calibration command
      >>> (tracker manual rev. 12-9-2009, p.29), If i tick the 300 baud box the
      >>> tones are 2100 Hz for LOW and 2300 Hz for HIGH respectively. I just want
      >>> to make sure whether this is correct. I would have expected 1600 Hz and
      >>> 1800 Hz as discribed under "Baud Rate" on p.18.
      >>>
      >>> Maybe someone can confirm these settings...
      >>>
      >>> regards,
      >>>
      >>> Gerd, dj4kh
      >>>
      >>>
      >>
      >>
      >>
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