Magnetic Loop Antenna Compare

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Antenna efficiency eta over frequency
160m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
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Loop diameter Dm1.2501.006
Conductor diameter dm0.0100.100
Loop count n121
Frequency fMHz1.8401.840
Intrinsic bandwidth BintkHz33.113.70
Source of BintQ webpageSWR = 2.62
Inductance LH1.18e-051.51e-06
Capacitance CpF6344955
Unloaded Q0156497
Damping resistance RTOhm2.4570.0351
Radiation resistance RROhm0.0002670.000028
Loss resistance RLossOhm2.4570.0351
Power to antenna PfwdW10100
swr_min11.001.00
etaSWR_ant%100100
Power antenna load PloadW10100
Antenna efficiency η%0.0110.080
Loop current I rmsA2.0253.37
Loop voltage Uloop rmsV275932
Magnetic dipole moment mA m²4.95142.448
80m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
Linksdescriptiondescription
calculator
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Loop diameter Dm0.8601.2501.9201.9201.0061.006
Conductor diameter dm0.0100.0100.0730.0730.1000.100
Loop count n1221111
Frequency fMHz3.6503.6503.5003.6503.5733.573
Intrinsic bandwidth BintkHz6.7013.184.006.185.702.40
Source of BintQ webpageQ webpageDatasheetS-ParametersSWR = 2.62SWR = 2.62
Inductance LH7.32e-061.18e-054.04e-064.04e-061.51e-061.51e-06
Capacitance CpF2616151247113141314
Unloaded Q015452778755906271489
Damping resistance RTOhm0.3080.9780.1020.1570.05410.0228
Radiation resistance RROhm0.0009250.004130.004870.005760.0003980.000398
Loss resistance RLossOhm0.3070.9740.09670.1510.05370.0224
Power to antenna PfwdW1010100100100100
swr_min11.001.001.181.701.001.00
etaSWR_ant%10010099.393.3100100
Power antenna load PloadW10109993100100
Antenna efficiency η%0.3000.4224.763.420.7361.75
Loop current I rmsA5.703.2031.2724.3843.0066.27
Loop voltage Uloop rmsV9578662779225914582247
Magnetic dipole moment mA m²6.6197.84990.54970.60034.19952.705
60m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
Linksdescriptiondescriptiondescriptiondescriptiondescriptiondescriptiondescriptiondescriptiondescription
calculator
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Loop diameter Dm1.9201.0061.006
Conductor diameter dm0.0730.1000.100
Loop count n1111
Frequency fMHz5.3625.3575.357
Intrinsic bandwidth BintkHz18.1911.905.50
Source of BintS-ParametersSWR = 2.62SWR = 2.62
Inductance LH4.04e-061.51e-061.51e-06
Capacitance CpF218585585
Unloaded Q01295450974
Damping resistance RTOhm0.4620.1130.0522
Radiation resistance RROhm0.02690.002010.00201
Loss resistance RLossOhm0.4350.1110.0502
Power to antenna PfwdW100100100
swr_min12.611.001.00
etaSWR_ant%80.1100100
Power antenna load PloadW80100100
Antenna efficiency η%4.661.783.86
Loop current I rmsA13.1729.7643.78
Loop voltage Uloop rmsV179215132225
Magnetic dipole moment mA m²38.12423.66934.816
40m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
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Loop diameter Dm0.8601.2501.3760.9400.9401.9201.9200.6620.6621.0061.0061.128
Conductor diameter dm0.0100.0100.0480.0490.0490.0730.0730.0510.0510.1000.1000.022
Loop count n1221111111111
Frequency fMHz7.1007.1006.9407.0007.1007.0007.0977.0007.1037.0747.0747.150
Intrinsic bandwidth BintkHz24.2333.33200.004.009.726.0047.175.0018.6017.006.7070.69
Source of BintQ webpageQ webpageSWR screenshotDatasheetS-ParametersDatasheetS-ParametersDatasheetS-ParametersSWR = 2.62SWR = 2.62SWR estimate
Inductance LH7.32e-061.18e-052.96e-061.79e-061.79e-064.04e-064.04e-061.10e-061.10e-061.51e-061.51e-062.85e-06
Capacitance CpF68.642.517728928112812447457335335174
Unloaded Q01293213351750731116715014003824161056101
Damping resistance RTOhm1.1152.4733.7250.04490.1090.1521.1970.03450.1280.1610.06361.265
Radiation resistance RROhm0.01330.05930.01990.004470.004730.07840.08290.001100.001160.006130.006130.0101
Loss resistance RLossOhm1.1012.4143.7050.04040.1040.07391.1140.03340.1270.1550.05741.255
Power to antenna PfwdW101050100100100100100100100100100
swr_min11.001.002.701.181.601.183.931.181.071.001.001.25
etaSWR_ant%10010078.999.394.799.364.799.399.910010098.8
Power antenna load PloadW101039999599659910010010099
Antenna efficiency η%1.192.400.4219.894.1151.14.483.160.9043.809.640.790
Loop current I rmsA3.002.013.2547.0329.4725.547.3553.6227.8824.9039.668.84
Loop voltage Uloop rmsV9781059421369623494538132425931368167126621131
Magnetic dipole moment mA m²3.4804.9354.83732.63620.44873.93321.28218.4469.59119.80331.5448.837
30m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
Linksdescriptiondescription
calculator
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Loop diameter Dm0.8600.9401.9200.6621.0061.006
Conductor diameter dm0.0100.0490.0730.0510.1000.100
Loop count n1211111
Frequency fMHz10.10010.11410.11610.12710.13610.136
Intrinsic bandwidth BintkHz39.9227.2557.0936.2040.009.30
Source of BintQ webpageS-ParametersS-ParametersS-ParametersSWR = 2.62SWR = 2.62
Inductance LH7.32e-061.79e-064.04e-061.10e-061.51e-061.51e-06
Capacitance CpF33.913961.3225163163
Unloaded Q012533711772802531090
Damping resistance RTOhm1.8360.3061.4490.2500.3800.0882
Radiation resistance RROhm0.05440.01950.3460.004810.02590.0259
Loss resistance RLossOhm1.7820.2861.1030.2450.3540.0623
Power to antenna PfwdW10100100100100100
swr_min11.002.262.331.031.001.00
etaSWR_ant%10085.184.1100.0100100
Power antenna load PloadW108584100100100
Antenna efficiency η%2.965.4320.11.926.8329.4
Loop current I rmsA2.3316.677.6219.9916.2333.66
Loop voltage Uloop rmsV108418931956139915613238
Magnetic dipole moment mA m²2.71111.57122.0526.87812.91026.774
20m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
Linksdescription
calculator
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Loop diameter Dm0.7620.7290.9400.9401.9201.9200.6620.6621.0061.0061.128
Conductor diameter dm0.0120.0450.0490.0490.0730.0730.0510.0510.1000.1000.022
Loop count n111111111111
Frequency fMHz14.07214.07414.00014.15914.00014.15614.00014.16814.07414.07414.196
Intrinsic bandwidth BintkHz99.1441.336.0031.0610.00182.108.0062.4887.0012.10285.64
Source of BintS-ParametersS-ParametersDatasheetS-ParametersDatasheetS-ParametersDatasheetS-ParametersSWR = 2.62SWR = 2.62SWR estimate
Inductance LH2.02e-061.31e-061.79e-061.79e-064.04e-064.04e-061.10e-061.10e-061.51e-061.51e-062.85e-06
Capacitance CpF63.297.672.370.73231.311811584.784.744.1
Unloaded Q0114234123334561400781750227162116350
Damping resistance RTOhm1.2610.3400.06740.3490.2544.6230.05530.4320.8250.1155.111
Radiation resistance RROhm0.03160.02660.07210.07541.2921.3520.01760.01850.09680.09680.159
Loss resistance RLossOhm1.2290.314-0.004710.273-1.0383.2710.03760.4130.7290.01804.952
Power to antenna PfwdW10100100100100100100100100100100
swr_min11.391.861.181.301.184.041.181.081.001.001.25
etaSWR_ant%97.490.999.398.399.363.699.399.910010098.8
Power antenna load PloadW1091999899649910010010099
Antenna efficiency η%2.447.1010621.350518.631.74.2811.784.33.07
Loop current I rmsA2.7816.3538.4016.7919.783.7142.3915.2111.0129.514.40
Loop voltage Uloop rmsV4971895603526687030133341001489147039411117
Magnetic dipole moment mA m²1.2666.82726.64711.64957.26810.74214.5835.2338.75423.4734.396
17m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
Linksdescription
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Loop diameter Dm0.7620.9400.662
Conductor diameter dm0.0120.0490.051
Loop count n1111
Frequency fMHz18.11618.12818.116
Intrinsic bandwidth BintkHz102.71121.52121.03
Source of BintS-ParametersS-ParametersS-Parameters
Inductance LH2.02e-061.79e-061.10e-06
Capacitance CpF38.143.170.2
Unloaded Q01176149150
Damping resistance RTOhm1.3061.3640.836
Radiation resistance RROhm0.08720.2040.0496
Loss resistance RLossOhm1.2191.1600.786
Power to antenna PfwdW10100100
swr_min11.043.051.14
etaSWR_ant%100.074.399.6
Power antenna load PloadW1074100
Antenna efficiency η%6.6711.15.90
Loop current I rmsA2.777.3810.91
Loop voltage Uloop rmsV63715021366
Magnetic dipole moment mA m²1.2605.1223.754
15m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
Linksdescription
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Loop diameter Dm0.7620.7290.9400.9400.6620.6621.0061.006
Conductor diameter dm0.0120.0450.0490.0490.0510.0510.1000.100
Loop count n111111111
Frequency fMHz21.25321.12721.00021.22621.00021.23521.07421.074
Intrinsic bandwidth BintkHz123.5683.6312.0082.7115.00181.50231.0066.00
Source of BintS-ParametersS-ParametersDatasheetS-ParametersDatasheetS-ParametersSWR = 2.62SWR = 2.62
Inductance LH2.02e-061.31e-061.79e-061.79e-061.10e-061.10e-061.51e-061.51e-06
Capacitance CpF27.743.332.131.552.251.137.837.8
Unloaded Q011722531750257140011791319
Damping resistance RTOhm1.5720.6890.1350.9290.1041.2542.1920.626
Radiation resistance RROhm0.1660.1360.3690.3860.08980.09390.4930.493
Loss resistance RLossOhm1.4060.553-0.2340.5430.01391.1601.6980.133
Power to antenna PfwdW10100100100100100100100
swr_min11.031.581.181.501.181.291.001.00
etaSWR_ant%100.094.999.396.099.398.4100100
Power antenna load PloadW109599969998100100
Antenna efficiency η%10.518.727239.886.07.3722.578.8
Loop current I rmsA2.5211.7427.1510.1730.968.866.7512.64
Loop voltage Uloop rmsV6822042640124234491130013512527
Magnetic dipole moment mA m²1.1494.90318.8427.05510.6503.0485.37210.050
12m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
Linksdescription
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Loop diameter Dm0.7620.9400.6621.0061.006
Conductor diameter dm0.0120.0490.0510.1000.100
Loop count n111111
Frequency fMHz24.94724.93724.91124.91524.915
Intrinsic bandwidth BintkHz165.6479.80257.24359.00201.00
Source of BintS-ParametersS-ParametersS-ParametersSWR = 2.62SWR = 2.62
Inductance LH2.02e-061.79e-061.10e-061.51e-061.51e-06
Capacitance CpF20.122.837.12727
Unloaded Q011513129769124
Damping resistance RTOhm2.1070.8961.7773.4061.907
Radiation resistance RROhm0.3160.7400.1780.9730.973
Loss resistance RLossOhm1.7900.1561.5992.4330.934
Power to antenna PfwdW10100100100100
swr_min11.081.041.401.001.00
etaSWR_ant%99.9100.097.2100100
Power antenna load PloadW1010097100100
Antenna efficiency η%15.082.69.7728.651.0
Loop current I rmsA2.1810.567.405.427.24
Loop voltage Uloop rmsV6912957127312811712
Magnetic dipole moment mA m²0.9927.3312.5444.3095.759
10m Band
BrandSelfmadeSelfmadeSelfmadeSelfmadeSelfmadeMazzoniMazzoniMazzoniMazzoniMazzoniMazzoniSelfmadeSelfmadeSelfmade
Name3P0.86m n21.25m n2epicenterfoil_pvc_0_71BabyBabyMidiMidiStealthStealthTubby indoorTubby outdoorsquare_1m
LocationHB9BPODK3SSDK3SSW6NBCF4WDODatasheetHB0SMDatasheetHB0SMDatasheetHE9DJBHB9ISPHB9ISPEA4AGY
Color
Picture
Overview picture Selfmade 3P HB9BPO
Overview picture Selfmade 0.86m n2 DK3SS
Overview picture Selfmade 1.25m n2 DK3SS
Overview picture Selfmade epicenter W6NBC
Overview picture Selfmade foil_pvc_0_71 F4WDO
Overview picture Mazzoni Baby Datasheet
Overview picture Mazzoni Baby HB0SM
Overview picture Mazzoni Midi Datasheet
Overview picture Mazzoni Midi HB0SM
Overview picture Mazzoni Stealth Datasheet
Overview picture Mazzoni Stealth HE9DJB
Overview picture Selfmade Tubby indoor HB9ISP
Overview picture Selfmade Tubby outdoor HB9ISP
Overview picture Selfmade square_1m EA4AGY
Linksdescription
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Loop diameter Dm0.7621.3760.7290.9400.9400.6620.6621.0061.006
Conductor diameter dm0.0120.0480.0450.0490.0490.0510.0510.1000.100
Loop count n1111111111
Frequency fMHz28.60431.87028.09328.00028.86228.00028.85028.07428.074
Intrinsic bandwidth BintkHz201.91700.00189.1620.00147.8225.00376.28645.00350.00
Source of BintS-ParametersSWR screenshotS-ParametersDatasheetS-ParametersDatasheetS-ParametersSWR = 2.62SWR = 2.62
Inductance LH2.02e-062.96e-061.31e-061.79e-061.79e-061.10e-061.10e-061.51e-061.51e-06
Capacitance CpF15.38.4124.518.11729.427.721.321.3
Unloaded Q011424614914001951120774480
Damping resistance RTOhm2.56813.0381.5580.2251.6600.1732.5996.1203.321
Radiation resistance RROhm0.5509.7250.4291.1861.3420.2860.3231.5831.583
Loss resistance RLossOhm2.0183.3141.129-0.9610.318-0.1132.2774.5371.738
Power to antenna PfwdW1050100100100100100100100
swr_min11.111.101.051.181.431.181.651.001.00
etaSWR_ant%99.799.899.999.396.999.394.0100100
Power antenna load PloadW105010099979994100100
Antenna efficiency η%21.474.427.552478.316411.725.947.7
Loop current I rmsA1.971.968.0121.037.6423.986.014.045.49
Loop voltage Uloop rmsV71711611853661124764639119810771462
Magnetic dipole moment mA m²0.8982.9083.34514.5955.3028.2492.0683.2154.364

2026 Peter Märki (HB9ISP). This project is created in my free time and has no commercial background. Provided without warranty of any kind. Feedback is welcome.