[TenTec] Ten Tec Centaur 411 10m Mod Needed

Brian Carling bcarling at cfl.rr.com
Thu Feb 13 17:29:49 EST 2014


I think perhaps you misunderstood. It sounds like there was an extra filter on the input to block anything above 15m. Removing that would not necessarily produce spurious emissions.

Best regards - Bry Carling



> On Feb 13, 2014, at 5:07 PM, Jim Brown <k9yc at audiosystemsgroup.com> wrote:
> 
> SAY WHAT?  The FCC Rules under which we operate REQUIRE that we suppress the harmonics produced by an output stage.  That filter is there to suppress those harmonics, so replacing it with a wire means you're probably violating FCC Rules by a wide margin.
> 
> That's something that you need to figure out right away.  And you have no business using the radio on 15-10 M until you have done so.
> 
> This is NOT CB radio -- WE are the techies.
> 
> 73, Jim K9YC
> 
>> On 2/13/2014 11:48 AM, Kris Merschrod wrote:
>> I did the mod from the schematic and parts that T-T sent on a perfboard - it really isn't much, but, before hand,  I pulled the 15 meter filter and put in a jumper wire - it worked like a charm w/o the filter - I am not sure what the harmonics on that looked like - others can do the hi-tech work :>)
>> 
>> Kris
> 
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