Yeah, but I still get only about half of my output power even if the
internal auto-tuner is aledgedly off.
Could the internal auto-tuner be sucking up that much power even if it's
off?
I do have an old MFJ 901B which I can try, though.
73 from Tom Behler: KB8TYJ
----- Original Message -----
From: "Anthony Vece" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, December 24, 2007 10:09 AM
Subject: Re: possible problem with output power on IC746
> Hi Tom;
>
> Go with an external tuner.
>
> 73 De Anthony W2AJV
> [log in to unmask]
> ECHOLINK NODE NUMBER: 74389
>
> ----- Original Message -----
> From: "T Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Sunday, December 23, 2007 1:12 PM
> Subject: possible problem with output power on IC746
>
>
>> Hello all.
>>
>> I've developed a strange problem with my Icom 746 transceiver, that I
>> could
>> use some help with.
>>
>> I have noticed that, when using my talking SWR meter unit, I only seem to
>> get about 60% output power with an antenna that is resonant on 3.7 MHZ
>> and
>> which has a 1.1 to 1 SWR reading.
>>
>> Thinking that something might be wrong with my talking SWR meter, I had
>> my
>> sighted XYL help me do some checking without the talking SWR meter,
>> using
>> the meter on the front of the radio.
>>
>> She helped me check the output power meter on the IC746 itself by
>> completely disconnecting the talking SWR meter, and then doing the
>> test.
>>
>> She tells me that, on the bottom scale of the meter, the SWR reading for
>> my
>> resonant 80-meter dipole is indeed 1.1 to 1, which is just what I'd
>> expect
>> it to be. However, the power output percentage is only around 60% when
>> the
>> RF
>> power knob is turned all the way to the right.
>>
>> I'm doing these tests in both CW and RTTY modes.
>>
>> When I do the test in RTTY mode, I simply use the PTT on the mic. When
>> doing the test in CW mode, I simply have my paddles send a series of
>> "dahs".
>>
>> Could I have something set wrong with the 746, or is there something
>> wrong
>> with the rig itself?
>>
>> Is there something else I should try?
>>
>> I think I'll go play with my new TS480 now. (grin)
>>
>> 73 from Tom Behler: KB8TYJ
>>
>>
>
>
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