-----BEGIN PGP SIGNED MESSAGE----- Hash: RIPEMD160 Never mind. The statement is correct. I was just thinking about it wrong. And to think I'm only two classes away from getting my BS in mathematics. <g> 73s kd6qpk - -- Skype: cannona MSN/Windows Messenger: [log in to unmask] (don't send email to the hotmail address.) - ----- Original Message ----- From: "Aaron Cannon" <[log in to unmask]> To: <[log in to unmask]> Sent: Tuesday, February 05, 2008 10:27 PM Subject: dbi vs. dbd > -----BEGIN PGP SIGNED MESSAGE----- > Hash: RIPEMD160 > > I have found several web pages that say: > "Values given in dBd can be converted to dBi units by Adding 2.14 this is > because a Dipole Antenna has 2.14dB gain over an isotropic radiator, I.e. > a > Dipole antenna is said to have 2.14 dBi gain." > > The text seems to imply that a dipole antenna (measured in DBD) has a > greater numeric value than an isotropic antenna (measured in DBI), because > they say things like, "a Dipole Antenna has 2.14dB gain over an isotropic > radiator". However, in there formula, they say that you add 2.14 to dbd > to > get dbi, which would give dbi a greater numeric value then DBD. > > What am I missing, or did everyone just copy from everyone else and get it > wrong? > > The reason I am interested is because I'm studying for my extra class exam > and this has come up. > > Thanks! > > 73s > kd6qpk > > > - -- > Skype: cannona > MSN/Windows Messenger: [log in to unmask] (don't send email to the > hotmail > address.) > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.8 (MingW32) - GPGrelay v0.959 > Comment: Key available from all major key servers. > > iEYEAREDAAYFAkepN1kACgkQI7J99hVZuJeDtgCeNDlxc2i2WxYMTIH8zTACJSl0 > IyIAoM6ssi83YC4nblP/fPU53wAF5gy/ > =YdNg > -----END PGP SIGNATURE----- > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (MingW32) - GPGrelay v0.959 Comment: Key available from all major key servers. iEYEAREDAAYFAkepPLUACgkQI7J99hVZuJfPtACfR8zY3+O6FDT/S+Vynn6+MnnV bNUAoMPqkVU+Q7I4U4NiM5BO6L3VYWq0 =VTW3 -----END PGP SIGNATURE-----