I may be the only one who doesn't know which Manufacturer and Model you are
speaking of, but probably not, so which radio is the subject of this
conversation?
Clint - W5CPT
<lots of snips>
----- Original Message -----
From: Joe Subich, W4TV
To: 'Kok Chen' ; 'RTTY Reflector'
Sent: Sunday, March 01, 2009 3:14 PM
Subject: Re: [RTTY] Fun, but
> No, that transmit bandpass filter had only addressed the
> symptom, not the cause, Joe. As a result, as a few people
> have reported after installing the Feb 9 Beta firmware,
> certain settings still caused the envelope glitches.
It addressed some but not all of the causes. The current
alpha - which I do have - seems to have addressed the root
cause. However, the bandpass filter may still be of value
for some of the lousy AFSK generators out there.
> To: RTTY Reflector
> Cc: Joe Subich, W4TV
> Subject: Re: [RTTY] Fun, but
>
> On Mar 1, 2009, at 11:32 AM, Joe Subich, W4TV wrote:
>
> > The issue is with AFSK not FSK. The first fix was released in the
> > pubic beta software (MCU 2.82/DSP 2.00) dated 9 Feb 2009
> and includes
> > a transmit BPF (CONFIG:AFSK TX).
>
>
> Take a careful look at the early notes that came with the Alpha
> firmware (the latest alpha came out on February 26) which Wayne had
> sent as email to a couple of people (you and I included).
>
> One alpha tester whose problem the Feb 9 Beta did not cure, has
> reported that the latest Alpha is no longer producing audible
> keyclicks. So, there is hope that the root cause, and not the
> symptom, is finally addressed. This why I used "[[ currently ]]" in
> my earlier posting, and specially placed emphasis on the word.
>
> We are addressing overly broad RTTY signals here, not loud RTTY
> signals. You cannot prevent your transmitted signal from being loud
> to another ham. But you can avoid being unnecessarily broad.
>
> 73
> Chen, W7AY
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