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Stargatesg1 wrote:
Also I would check to make sure the gain is listed as 26 DBd instead of DBi. Back in the day, allot of companies inflated their specs by stating the DBi gain instead of DBd. DBi being gain over an isotropic and DBd being gain over a dipole. At 26Db there isn't enough difference between dipole and isotropic to matter. Dave WD9BDZ |
#2
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To get 26 dB over a dipole would require rhombic leg lengths of about
125 wavelengths, or about 275 feet at 450 MHz. The overall length would be around 500 feet. The beamwidth would be so narrow you'd have difficulty getting it aimed toward one station, even if you were able to turn it somehow. Roy Lewallen, W7EL David G. Nagel wrote: Stargatesg1 wrote: Also I would check to make sure the gain is listed as 26 DBd instead of DBi. Back in the day, allot of companies inflated their specs by stating the DBi gain instead of DBd. DBi being gain over an isotropic and DBd being gain over a dipole. At 26Db there isn't enough difference between dipole and isotropic to matter. Dave WD9BDZ |
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