| To: | <amps@contesting.com> |
|---|---|
| Subject: | Re: [Amps] Watts to DBM?? |
| From: | "Andy GD0TEP" <andy@gd0tep.com> |
| Date: | Fri, 25 Sep 2009 10:43:20 +0100 |
| List-post: | <amps@contesting.com">mailto:amps@contesting.com> |
Hi Han, That is what I was looking for... :-) Many thanks! 73 Andy http://www.gd0tep.com 73 Andy http://www.gd0tep.com -----Original Message----- From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On Behalf Of Han Higasa Sent: 25 September 2009 10:39 To: amps@contesting.com Subject: Re: [Amps] Watts to DBM?? hi Andy 1W = 0 dBW = 1000mW = 30 dBm A [dBm] = 10 x log (P) where P is power in milliwatts. P [mW] = 10^(A/10) = (A/10)th power of ten whare A is power in dBm. 3 dBm = 10^0.3 = approx 2 mW 10 dBm = 10^1 = 10 mW de Han JE1BMJ _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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