I am by no means an expert but I would think the actual increase in power
was very little as Ten-Tec advises going beyond the threshold of the ALC
light results in very little power increase...how much difference (in watts)
did you see? I'm curious as I have an Omni as well (C).
----- Original Message -----
From: "Byron J Watts" <bjw@byron.com>
To: <tentec@contesting.com>
Sent: Monday, March 14, 2005 5:21 PM
Subject: [TenTec] Omni-D ALC light
> I've heard alot of people say this about a lot of rigs, keep the ALC
> light (or meter) low or off... Well my particular Omni-D doesn't seem to
> have a problem. I should note before i say anything else that i'm
> driving it from a car battery with ample size wiring, there's no
> possibility of power supply overload ;) So, like a good little boy i
> kept my drive down enough that the ALC light flickered once in a while.
> Well, as i figured, one day i was workin on 40 meters and the station
> could barely hear me, so i cranked up the drive a little bit, my average
> reading wattmeter (read: pathetic, built into MFJ 941D tuner) was now
> well over 100w on voice peaks, the ALC light was almost solid on, and I
> figured I was splattering everywhere, but i finished the contact. Later
> i found a good strong station and asked about my signal quality, drive
> way up still. There was no splatter and i guess i sounded ok. Neither
> contact was hugely overly long, but the heatsink didn't even get warm
> when i drove it that hard. I don't even have to worry about it up on 20
> meters, the ALC light almost never flickers up there (i assume becuase
> it's more efficient). Anyway, my question is, how much ALC should i
> allow, do i rely on signal reports? I don't have an amplifier of any
> kind so crankin up the drive is the only tool i have when the band is as
> crappy as it is.
>
> 73 de KC0NPF
>
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