The Hen-tenna and not only for HAM frequencies

Hantenna is simple and fast to build from used parts or low money. Connection directly to 75 or 50 ohm cable, or with balun.
If you are satisfied with 3dB - that's antenna for you!

Simple build yourself hentenna for original frequency. Their height is only about L/2

The original Yapan Hentena for 6m HAM amateur band. Diagram of radiation Hentenna, calculated whith MMANA-GAL program. Building details.

Dimensions of a Hentennas for most popular frequencies:

f (MHz) a (cm) b (cm) c (cm) d (cm) Al (mm)
27.125 184.33 553.00 90.17 110.60 12
27.305 183.12 549.35 89.56 109.87 12
50.100 99.80 299.40 47.90 59.88 6
51.450 97.18 291.55 46.59 58.31 6
88.000 56.82 170.45 26.41 34.09 4
100.00 50.00 150.00 23.00 30.00 4
144.800 34.53 103.59 15.27 20.72 2
146.000 34.25 102.74 15.12 20.55 2
187.250 26.70 80.11 11.35 16.02 2
214.250 23.34 70.01 9.67 14.00 2
435.000 11.49 34.48 3.75 6.90 1
446.000 11.21 33.63 3.61 6.73 1
512.250 9.76 29.28 2.88 5.86 1
610.250 8.19 24.58 2.10 4.92 1
812.250 6.16 18.47 1.08 3.69 1

For other frequencies use Henntenna calculator - (DOS, just RUN) -> or (Win) ->

Enjoy building Hentenna !


And much more: the Hen-tenna whith reflectors = 7 dB


2m hentenna w 2 reflectors

And much much more: the multiple Hen-tenna