DL6WU _ v3Frequency MHz.800Wavelength cm.37.48Boom Diameter cm.2.2Element Diameter mm.12Element Thru Boom ("Y/N")yBoom Length (Metres)0.85Gain (dbd)11.8Thru Boom Correction (cm).1.47Useable bandwidth784to816MHzELEMENTBoomDistance eachLengthPositionSide of boomREFL17.512.007.65DRIV17.0410.997.42Dir 116.3313.807.07216.0920.556.94315.8628.616.83415.6437.986.72515.4548.476.62615.2659.716.53715.0971.526.45814.9483.886.37914.7996.816.301014.66110.306.231114.53124.366.171214.42138.786.111314.31153.406.051414.21168.206.001514.12183.195.961614.03198.185.921713.95213.175.881813.88228.165.841913.81243.155.802013.75258.145.772113.69273.135.742213.63288.125.722313.58303.115.692413.54318.105.672513.49333.095.652613.45348.085.632713.42363.075.612813.38378.065.592913.35393.055.573013.32408.045.563113.29423.035.553213.27438.025.533313.24453.015.523413.22468.005.513513.20482.995.503613.18497.985.493713.16512.975.483813.15527.965.473913.13542.955.474013.12557.945.464113.11572.935.454213.09587.925.454313.08602.915.444413.07617.905.444513.06632.895.434613.06647.885.434713.05662.875.424813.04677.865.424913.03692.855.425013.03707.845.41

&C&A&CPage &P

DL6WU_2DL6WU Yagi Antenna CalculatorInstructions. Enter NumbersBy David D. Tannerin blue cells.VK3AUUModified by VK3KAIKorumburra Road,Drouin South. 3818.Australia.DL6WU YagiFrequency (MHz).800.0MHzBoom Diam. Cms.CorrectionsWavelength (cm).37.537.475Corr.Boom Diameter (cm).2.20.05870580390.50.01334222820.15505336890.155053368911Element Diameter (mm).120.032021347610.02668445630.47021347570.470213475720Element Thru Boom ("Y/N")y1.87983322211.50.04002668450.94548032020.94548032020Boom Length (Metres)0.85Gain (dBd)11.8Thru Boom Correction (cm).1.4720.05336891261.58085390261.33333333331200Intermediate Calculations0.51793-0.21167398360.09759330650.09046399360.396720012.50.06671114082.37633422281.666666666740Elements30.08005336893.331921280924Reflector Length (cm).17.5Degrees3.50.09339559714.44761507672.333333333320Reflector Spacing (cm).9.0Usable Bandwidth40.10673782525.72341561042.66666666670.31Driven Element (cm).17.0784.0to816.0Mhz.4.50.12008005347.159322881930.45Number of Elements50.13342228158.75533689133.3333333333Director length - WavelengthsApproxHorizontal -ActualActualDL6WU - VK3AUU'L = .5179 - .4328 d^.2078 + (.007344 + .1794 d^.1996)e^-.07586NDirector NumberLengthSpacingBoomGainBeamStacking DistGain ofDistance eachGain ofSupport4 Yagi Phasing8 Yagi PhasingLength FeetDirector Number (N)Numbercms.cms.Length(cm)DbdWidthcms.FeetFourside of boomEightHeightLengthLossLengthLossFeet0.0030.0050.0070.010.0150.020.03_00116.32.811.85.379.129.41.010.97.113.615.835.30.0364.70.060.40.40.40.40.40.40.40.40.41216.16.718.66.866.334.21.112.46.915.119.543.50.0477.70.070.60.40.40.40.40.40.40.40.4315.98.126.68.057.638.81.313.66.816.423.552.10.0590.90.090.90.40.40.40.40.40.40.40.4415.69.436.09.151.243.31.414.66.717.428.161.30.06104.50.101.20.37830749980.43547475880.42543994820.41821275260.40996894790.3998105130.39205628250.4515.410.546.59.946.447.51.615.56.618.233.270.80.07118.30.111.50.37304404890.43204465330.42168413240.41422352110.40571455540.39523084280.38722932540.37509430445615.311.257.710.742.651.51.716.26.518.938.780.40.08131.80.121.90.36816509970.42886512130.41820268360.41052570790.40177095160.39098572320.38275498350.3702737024715.111.869.511.339.655.21.816.86.419.644.490.00.08145.20.142.30.36364256380.4259178580.41497555890.40709802460.39811543290.38705071490.37860749790.3658052513814.912.481.911.837.258.71.917.46.420.150.499.60.09158.30.152.70.35945040490.42318589610.41198417980.40392073790.39472695450.38340316380.37476299130.3616632262914.812.994.812.335.162.02.017.86.320.656.7109.40.10171.50.163.10.35556448830.42065350730.40921132460.40097555590.39158600860.38002207090.37119933080.35782378121014.713.5108.312.833.365.22.118.36.221.063.2119.40.11184.60.173.60.35196244290.41830611270.406641030.39824552320.38867451280.37688797110.36789600010.3542648124101114.514.1122.413.231.868.32.218.76.221.470.1129.50.12197.80.194.00.34862353130.41613019830.40425849860.39571492270.38597570530.37398282120.36483398180.35096583081214.414.4136.813.630.471.32.319.16.121.877.1139.70.13211.00.204.50.34552853140.41411323710.40205001410.39336918580.38347404920.37128989610.36199564780.34790784391314.314.6151.413.929.274.12.419.46.122.184.3149.80.14223.90.215.00.34265962510.41224361740.40000286210.39119480790.38115514210.36879369260.35936465760.34507324671414.214.8166.214.228.276.82.519.76.022.491.5159.90.15236.70.225.40.3400002960.41051057580.39810525720.3891792710.37900563410.36647983980.35692586450.34244572041514.115.0181.214.527.379.42.620.06.022.798.9170.00.16249.30.245.90.33753523430.4089041350.39634627460.38731097160.37701315030.36433501690.35466522830.3400101382151614.015.0196.214.826.481.82.720.25.923.0106.3179.90.17261.70.256.40.33525024830.40741504680.3947157880.38557915380.375166220.3623468760.35256973450.33775247841714.015.0211.215.125.784.22.820.55.923.2113.7189.70.18273.90.266.90.33313218350.40603473830.39320441040.38397384750.37345421020.36050397120.3506273190.33565974331813.915.0226.215.325.086.42.820.75.823.4121.1199.50.19285.90.277.40.33116884590.4047552630.39180344080.38248581080.37186726490.3587956930.34882679950.33371988521913.815.0241.215.524.488.62.920.95.823.6128.4209.10.20297.70.287.90.32934893260.40356925510.39050481380.3811064770.37039624790.35721220660.34715781010.33192173622013.715.0256.115.723.890.63.021.15.823.8135.9218.70.21309.30.298.40.32766196620.40246988650.38930105320.37982790530.36903269060.35574439580.34561074250.3302549442202113.715.0271.115.923.392.63.021.35.724.0143.3228.20.22320.80.308.90.32609823480.40145082810.38818522880.37864273480.36776874280.35438381050.34417669010.32870991342213.615.0286.116.122.894.63.121.55.724.2150.7237.60.22332.20.319.40.3246487360.40050621320.38715091670.37754414260.3665971280.35312261760.34284739710.32727774912313.615.0301.116.322.496.43.221.65.724.3158.1247.00.23343.40.329.90.32330512480.39963060370.38619216240.37652580380.36551110110.35195355650.34161521050.32595020612413.515.0316.116.421.998.33.221.85.724.5165.5256.30.24354.60.3310.40.32205966620.39881895840.38530344630.3755818560.36450440980.35086989670.34047303680.32471964182513.515.0331.116.621.6100.03.321.95.624.6172.9265.60.25365.60.3410.90.32090518980.39806660490.38447965210.37470686480.36357125860.34986539960.33941430020.3235789718252613.515.0346.116.721.2101.83.322.15.624.8180.4274.80.26376.60.3611.30.31983504940.39736921180.3837160370.37389579270.36270627530.34893428230.33843290570.32252162922713.415.0361.116.920.8103.43.422.25.624.9187.8284.00.27387.40.3711.80.31884308410.39672276410.3830082050.37314397050.361904480.34807118430.33752320320.32154152672813.415.0376.117.020.5105.13.422.35.625.0195.2293.10.28398.20.3812.30.31792358310.39612354020.3823520810.37244706980.36116125690.34727113670.33667995570.3206330222913.315.0391.117.120.2106.73.522.55.625.2202.7302.20.28408.90.3912.80.31707125270.39556809040.38174388760.37180107860.36047232720.34652953350.33589830850.31979088463013.315.0406.017.319.9108.23.522.65.625.3210.1311.20.29419.50.4013.30.31628118620.39505321680.38118012360.37120227790.35983372470.34584210540.33517376150.3190102665303113.315.0421.017.419.6109.83.622.75.525.4217.6320.30.30430.00.4113.80.3155488350.39457595550.38065754320.37064722030.35924177280.34520489470.33450214360.31828667353213.315.0436.017.519.4111.23.622.85.525.5225.0329.30.31440.50.4214.30.3148699830.39413355860.3801731380.37013271030.35869306380.34461423310.33387958830.31761593983313.215.0451.017.619.1112.73.722.95.525.6232.4338.20.32450.90.4314.80.3142407220.39372347940.37972411910.3696557860.35818443870.34406672010.33330251140.31699420413413.215.0466.017.718.9114.13.723.05.525.7239.9347.10.33461.30.4315.30.31365742930.3933433570.37930790170.36921370160.35771296930.34355920360.33276759070.3164178873513.215.0481.017.818.6115.53.823.15.525.8247.3356.00.34471.60.4415.80.31311674680.3929910030.37892208950.3688039120.35727594130.34308876180.33227174660.3158836705353613.215.0496.017.918.4116.93.823.25.525.9254.8364.90.34481.80.4516.30.31261556190.3926643890.37856446130.3684240580.35687083870.34265268630.33181212450.31538847923713.215.0511.018.118.2118.33.923.35.526.0262.2373.80.35492.00.4616.80.31215098920.39236163440.37823295830.36807195280.35649532940.34224846670.33138607840.31492946233813.115.0526.018.118.0119.63.923.45.526.1269.7382.60.36502.20.4717.20.3117203540.39208099650.3779256720.36774556940.35614725150.34187377590.33099115550.31450397713913.115.0541.018.217.8120.94.023.55.526.2277.2391.40.37512.30.4817.70.31132117740.39182085960.37764083340.36744302870.35582460120.34152645670.33062508220.31410957424013.115.0555.918.317.6122.24.023.65.526.2284.6400.20.38522.40.4918.20.3109511610.39157972590.37737680260.36716258890.35552552080.34120450960.33028575110.3137439828404113.115.0570.918.417.4123.54.023.65.526.3292.1408.90.39532.40.504213.115.0585.918.517.3124.74.123.75.426.4299.5417.70.39542.40.514313.115.0600.918.617.1125.94.123.85.426.5307.0426.40.40552.30.524413.115.0615.918.716.9127.14.223.95.426.6314.4435.10.41562.20.534513.115.0630.918.816.8128.34.223.95.426.6321.9443.80.42572.10.544613.115.0645.918.816.6129.54.224.05.426.7329.4452.40.43582.00.554713.015.0660.918.916.5130.74.324.15.426.8336.8461.10.43591.80.564813.015.0675.919.016.3131.84.324.25.426.8344.3469.70.44601.50.574913.015.0690.919.116.2132.94.424.25.426.9351.8478.40.45611.30.585013.015.0705.819.116.0134.04.424.35.427.0359.2487.00.46621.00.59Frequency Mhz.800.0Wavelength Cm.37.5Boom Diameter Cm.2.2Element Diameter Mm.12.0Element Thru Boom ("Y/N")yBoom Length (Metres)0.85Gain (dbd)11.8Useable bandwidth784.0to816.0MHzELEMENTBoomDistance eachLengthPositionSide of boomREFL17.52.007.65DRIV17.010.997.42Dir 116.313.807.07216.120.556.94315.928.616.83415.637.986.72515.448.476.62615.359.716.53715.171.526.45814.983.886.37914.896.816.301014.7110.306.231114.5124.366.171214.4138.786.111314.3153.406.051414.2168.206.001514.1183.195.961614.0198.185.921714.0213.175.881813.9228.165.841913.8243.155.802013.7258.145.772113.7273.135.742213.6288.125.722313.6303.115.692413.5318.105.672513.5333.095.652613.5348.085.632713.4363.075.612813.4378.065.592913.3393.055.573013.3408.045.563113.3423.035.553213.3438.025.533313.2453.015.523413.2468.005.513513.2482.995.503613.2497.985.493713.2512.975.483813.1527.965.473913.1542.955.474013.1557.945.464113.1572.935.454213.1587.925.454313.1602.915.444413.1617.905.444513.1632.895.434613.1647.885.434713.0662.875.424813.0677.865.424913.0692.855.425013.0707.845.41

&C&F&CPage &P

DL6WU_2

Boom length (cm)Gain dBdGain vs Boom Length