[SixClub] Anyone tried a Yaesu VX-7R on 6M?
Jerry W9FS EN61
six_club at comcast.net
Fri Jun 26 15:55:34 EDT 2009
Actually,
The VX-7 has regular AM with about 60% modulation, on TX and I am not sure
about the way they detect the audio but dosen't sound too bad on RX.
It is not High level modulation, my guess from what I had I would say they
modulate one of the early stages of the TX. I would also guess there may be
some FM in the signal.
I had one and can say it was fun, neat little radio.
Jerry W9FS
----- Original Message -----
From: "kd4e" <doc at kd4e.com>
To: "Jerry W9FS EN61" <six_club at comcast.net>
Cc: "World Wide Six Meter Club" <sixclub at mailman.qth.net>
Sent: Friday, June 26, 2009 2:32 PM
Subject: Re: [SixClub] Anyone tried a Yaesu VX-7R on 6M?
>A "little" carrier is more tolerable in a SSB receiver than a "lot"
> of carrier - the common modulation form of AM
>
> I am guessing it is probably DSB with partially-suppressed versus
> full-carrier but do not know for sure. The specs refer to "1W carrier".
>
> I figured after the several years the VX-7 has been out some curious
> Ham would have tested all of this out already.
>
> > Jerry W9FS EN61 wrote:
>>
>> Is the AM really AM or is it DSB with a little carrier?
>>
>> What other kind of AM is there? :)
>> By definition AM is double sideband with carrier.
>>
>>
>>> So, even though the spec sheet in the back of the manual
>>> does not
>>> list AM receive for 6M the VX-7 will receive AM on 6M?
>>>
>>> Is the AM really AM or is it DSB with a little carrier?
>>>
>>> Have you tried to copy it in SSB USB mode?
>>>
>>>> I have a VX-7R. I also have 50.400AM programmed into it. I use it to
>>>> test
>>>> Multimode 6m rigs and at hamfests to talk to other ham buddies.
>>>> Insures
>>>> that I have a frequency that no one else is on and that I don't have to
>>>> worry too much about interferring with anyone else.
>>>>
>>>> Eric
>>>> k8ohz
>
> --
>
> Thanks! & 73, doc, KD4E
> FS/Swap/Wanted: http://kd4e.com/swapn.html
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