[TenTec] high swr for short time - can it do damage?

[john ferro]

hi ten tec gurus! hope all is well - quick question - i forgot that my radio (Ten Tec paragon)was tuned to 17 meters and for a split second talked into the mic at full power (100 w)on 20 meters - the swr went to about 5 or 6:1 for a click of a mic second or two - this is the second time i did this (stupidity) - wondering if this can do damage? - obviously its not good. the radio seems to be fine and didn't seem to have any problems with this short burst - but just wondering if this short duration high swr could do damage? by the way how high an swr is acceptable - just wondering? thx, john 
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