Many rigs, like the FT 990 have a duty cycle rating. From the 990 manual:
"Duty cyde: 100%@100watts, 50%@100 watts (FM & RTfY,3-minute tx)"
I have not located such a spec in the FLEX literature. --73, Mike WV2ZOW
On Fri, Jun 3, 2016 at 3:25 PM, Jurgen Geldhof <list@on5mf.be> wrote:
I have run my FT990 at full power in contests for the last 20 years.
The probe I clipped to the heatsink shows a higher temp when leaving the
rig in RX for a while than when I am running in a contest.
Op 3/06/2016 om 19:16 schreef john@kk9a.com:
For contest QSO's I have run a Yaesu FT1000MP and an Elecraft K3S at full
power for many hours straight with no noticeable heating or other issues.
John KK9A-W4AAA
To: Ktfrog007@aol.com
Subject: Re: [RTTY] Flex 6300 in low power RTTY contests; Maestro
From: Stanley Zawrotny <k4sbz.stan@gmail.com>
Date: Thu, 2 Jun 2016 15:46:36 -0400
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>
No xcvr should be run at more than 50% power for RTTY.
Stan, K4SBZ
"Real radio bounces off the sky."
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73
Jurgen Geldhof
ON5MF / OQ6A
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