[Yaesu] Level of radio and SSB performance

John Geiger af5cc2 at gmail.com
Sat Mar 25 23:26:44 EDT 2017


I know the FT990 does, I don't think the FT857 does, I am pretty sure it
uses AF compression, and not very effective compression at that. Someone
else on the list could correct me, though.

73 John AF5CC

On Sat, Mar 25, 2017 at 10:23 PM, Ron Youvan <ka4inm at gmail.com> wrote:

> On 03/25/2017 10:11 PM, John Geiger wrote:
>
> Last year I was able to use a Yaesu FT1000D for a couple of months, and was
>> surprised at how much better it seemed to be doing on SSB contacts
>> compared
>> to my normal rigs.  Yes, it does 200 watts which is a 3DB gain, which
>> sometimes can make a huge difference, but I was also thinking that maybe
>> the SSB transmit audio was more "powerful."
>>
>
> Now over the past decade or so my rigs have pretty much been either an Icom
>> 706 series, a Yaesu FT857 or FT100D, or a Yaesu FT450.  Most of these are
>> mobile rigs and use AF speech processing, when RF speech processing is
>> better.
>>
>
> Anyways, might I get better SSB performance by going to a traditional base
>> rig?  Do these mobile type radios tend to have whimpier or less dominating
>> audio?  Would a FT990 or FT1000MP series radio probably have punchier
>> audio?
>>
>
> BTW, what are some of the current and recent Yaesus that use RF speech
>> processing?
>>
>
>   I believe my FT-990, FT-857D and FT-450D all have RF speech
> processing, with audio speech compression, audible distortion is the
> result.
> --
>   Ron  KA4INM - Youvan's corollary:
>                 Every action results in unwanted side effects.
>


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