Interesting. 2250 PEP SSB = 1590 W RMS. The Alphas are rated 100% duty
cycle "brick on key" at 1.5KW, so 2250 SSB PEP should also be pretty much
loafing for the Alpha 87, 89, 91b or 99 or the others in that category.
They'll actually do better than that, I have it on good authority. (Someone
with a BIG dummy load!).
73, Duane
Duane Calvin, AC5AA
Austin, Texas
www.ac5aa.com
-----Original Message-----
From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
On Behalf Of Darrell Bellerive
Sent: Saturday, April 05, 2008 4:16 PM
To: tentec@contesting.com
Subject: Re: [TenTec] TenTec Digest, Vol 64, Issue 6
>From Standards for the Operation of Radio Stations in the Amateur Radio
Service RBR-4:
10. Restrictions on Capacity and Power Output
The transmitting power of an amplifier installed at an amateur station shall
not be capable of exceeding by more than 3 dB the limits on transmitting
power described in this section.
10.1 Amateur Radio Operator Certificate with Basic Qualification
The holder of an Amateur Radio Operator Certificate with Basic Qualification
is limited to a maximum transmitting power of:
(a) where expressed as direct-current input power, 250 W to the anode or
collector circuit of the transmitter stage that supplies radio frequency
energy to the antenna; or
(b) where expressed as radio frequency output power measured across an
impedance-matched load,
(i) 560 W peak envelope power for transmitters that produce any type of
single sideband emission, or
(ii) 190 W carrier power for transmitters that produce any other type of
emission.
10.2 Amateur Radio Operator Certificate with Basic and Advanced
Qualifications
The holder of an Amateur Radio Operator Certificate with Basic and Advanced
Qualifications is limited to a maximum transmitting power of:
(a) where expressed as direct-current input power, 1,000 W to the anode or
collector circuit of the transmitter stage that supplies radio frequency
energy to the antenna; or
(b) where expressed as radio frequency output power measured across an
impedance-matched load,
(i) 2,250 W peak envelope power for transmitters that produce any type
of
single sideband emission, or
(ii) 750 W carrier power for transmitters that produce any other type of
emission.
On Saturday 05 April 2008 13:36, Duane Calvin wrote:
> >From FCC Part 97.313:
>
> (b) No station may transmit with a transmitter power exceeding 1.5 kW PEP.
>
> I guess it's a different output power allowed in Canada?
>
> 73, Duane
>
>
>
> Duane Calvin, AC5AA
> Austin, Texas
> www.ac5aa.com
>
> -----Original Message-----
> From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
> On Behalf Of Darrell Bellerive
> Sent: Saturday, April 05, 2008 2:16 PM
> To: tentec@contesting.com
> Subject: Re: [TenTec] TenTec Digest, Vol 64, Issue 6
>
> On Saturday 05 April 2008 10:01, CATFISHTWO@aol.com wrote:
> > my favorite, an Alpha 87 a on the Orion. a
> > beautiful thing. it is auto tune, autoband switch and full qsk and a
ton
> > of self protection. you can key down at 1500 watts with a brick on the
> > key all day and never even break a sweat. ( I have seen 2300 watts into
> > a dummy load on a tune up test.. so it loafs at legal limit)
>
> 2300 watts is only 50 watts over the legal limit. Not much of a margin.
--
Darrell Bellerive
Amateur Radio Stations VA7TO and VE7CLA
Grand Forks, British Columbia, Canada
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