Yaesu FT-817ND
 

Hi, anyone here use this radio for DXing? I recognize that it is a
QRP rig, and just wonder what the main difference is between 5 and 100
watts. 1 S unit? 2?

Thanks.

Buther Boy

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On Thu, 29 Sep 2005 20:19:58 -0500, Buther Boy wrote:

Hi, anyone here use this radio for DXing? I recognize that it is a
QRP rig, and just wonder what the main difference is between 5 and 100
watts. 1 S unit? 2?

Thanks.

Buther Boy

That is a factor of 20, which is 13 dB. Although most (all) receivers are
somewhat nonlinear in dB/S-unit, 5-6 dB is a commonly-accepted value, so a
little more than 2 S-units is to be expected (YMMV).

Bob, N7XY

Thanks for the reply, Bob, N7XY! I have one more question for the
group. If the one big punch (OBP) put out by W4RT, amounts to a 5 dB
improvement or 1 S-unit, that is pretty darn good - isn't it?

Buther Boy


On Thu, 29 Sep 2005 18:00:22 -0700, Bob Nielsen
wrote:

On Thu, 29 Sep 2005 20:19:58 -0500, Buther Boy wrote:

Hi, anyone here use this radio for DXing? I recognize that it is a
QRP rig, and just wonder what the main difference is between 5 and 100
watts. 1 S unit? 2?

Thanks.

Buther Boy

That is a factor of 20, which is 13 dB. Although most (all) receivers are
somewhat nonlinear in dB/S-unit, 5-6 dB is a commonly-accepted value, so a
little more than 2 S-units is to be expected (YMMV).

Bob, N7XY


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