The Winegard HD6065P is a Log-Yagi array with ten elements on a 127″ boom. Four of the elements are driven. A shorted transmission line terminates at a passive reflector.
Winegard has discontinued the HD6065P and replaced it with the HD6055P, an eight-element design on an 82″ boom.
I modeled the antenna with the AO-Pro 8.50 Antenna Optimizer program. This image shows the antenna geometry.
This shows segmentation detail for the phasing lines and feedpoint. Blue dots mark analysis segments. The red dot is the feedpoint. The lower phasing lines connect to rivets at the underside of the driven-element insulators, while the upper lines connect directly to the elements on top. The rivets electrically lengthen each lower line by 2″. This causes some pattern asymmetry visible in the plots below.
The antenna has a plastic feedpoint box that snaps onto parallel feeders. The box contains an F-connector and a printed-circuit matching network consisting of thick and thin PCB traces, a capacitor, and a 1:1 dual-core ferrite balun. I removed the feedpoint box and measured 30 dB of return loss at the F-connector with 120Ω and 8.6 pF across the feeder terminals. Subtracting 0.3 pF for the unmodeled feeder extension past the feedpoint and converting from parallel to series impedance, the box matches 87.2 − j53.5 Ω to 75Ω. To make SWR unity for a reference impedance of 87.2Ω, the model includes a +53.5Ω reactance in series with the feedpoint.
The feeders surround a 1″-square boom, which I did not model. The upper and lower phasing lines are not equidistant from the boom and it may affect their currents.
The driven elements mount to plastic center insulators with metallic locking flanges. The slits on each side inhibit current over most of the flange length so I did not model them.
Below are calculated performance figures for a segmentation density of 50 segments per halfwave. Mismatch loss is due to SWR. Wire loss is due to conductor resistance. Mismatched gain is forward gain including wire and mismatch losses. F/R is the ratio of forward power to that of the worst backlobe in the rear half-plane.
88.000 MHz: Impedance 158 - j62 ohms
SWR 2.19
Mismatch Loss 0.65 dB
Wire Loss 0.07 dB
Mismatched Gain 6.58 dBd
F/R 15.52 dB
93.000 MHz: Impedance 128 + j29 ohms
SWR 1.60
Mismatch Loss 0.24 dB
Wire Loss 0.03 dB
Mismatched Gain 7.85 dBd
F/R 20.55 dB
98.000 MHz: Impedance 145 + j15 ohms
SWR 1.69
Mismatch Loss 0.29 dB
Wire Loss 0.02 dB
Mismatched Gain 8.28 dBd
F/R 22.78 dB
103.000 MHz: Impedance 85.9 + j24.6 ohms
SWR 1.33
Mismatch Loss 0.09 dB
Wire Loss 0.03 dB
Mismatched Gain 8.82 dBd
F/R 19.51 dB
108.000 MHz: Impedance 99.0 + j13.0 ohms
SWR 1.21
Mismatch Loss 0.04 dB
Wire Loss 0.07 dB
Mismatched Gain 7.35 dBd
F/R 20.13 dB
Calculated
88 98 108 MHz
Gain 6.6 8.3 7.3 dBd (matching network loss not included)
F/B 17 23 20 dB
88 98 108 MHz
Gain 9.4 10.6 10.6 dBd
F/B 18 19 20 dB
Winegard HD6065P Free Space 98.000 MHz 115 6063-T832 wires, inches v = .11 ; feeder wire diameter p = .2226 ; phasing line equivalent diameter (.375" x .04") d = .1875 ; rivet diameter w = 1 ; rivet length r = 1.375 ; rivet spacing / 2 s = r - .5 ; phasing line inward bend t = .875 ; phasing line vertical bend y = w + t ; lower phasing line midsection h = w + .5 ; reflector shorting strap b = 1.1 ; equivalent diameter at mounting brackets 1 45 -1 -1 45 1 -1 v ; feedpoint 1 42 r 0 43.5 r 0 v 1 43.5 r 0 43.625 1 -1 v 1 43.625 1 -1 45 1 -1 v 1 42 -r 0 43.5 -r 0 v 1 43.5 -r 0 43.625 -1 -1 v 1 43.625 -1 -1 45 -1 -1 v 1 0 r 0 0 35.875 0 .375 1 0 -r 0 0 -35.875 0 .375 1 10.5 r 0 10.5 33.375 0 .375 1 10.5 -r 0 10.5 -33.375 0 .375 1 21 r 0 21 28.375 0 .375 1 21 -r 0 21 -28.375 0 .375 1 31.5 r 0 31.5 26.125 0 .375 1 31.5 -r 0 31.5 -26.125 0 .375 1 42 r 0 42 24.125 0 .375 1 42 -r 0 42 -24.125 0 .375 1 50.5 -25.5 0 50.5 -2.5 0 .375 1 50.5 -2.5 0 50.5 2.5 0 b 1 50.5 2.5 0 50.5 25.5 0 .375 1 63.5 -25.5 0 63.5 -2.5 0 .375 1 63.5 -2.5 0 63.5 2.5 0 b 1 63.5 2.5 0 63.5 25.5 0 .375 1 80.5 -25.5 0 80.5 -2.5 0 .375 1 80.5 -2.5 0 80.5 2.5 0 b 1 80.5 2.5 0 80.5 25.5 0 .375 1 102 -25.5 0 102 -2.5 0 .375 1 102 -2.5 0 102 2.5 0 b 1 102 2.5 0 102 25.5 0 .375 1 125 -23.5 0 125 -2.5 0 .375 1 125 -2.5 0 125 2.5 0 b 1 125 2.5 0 125 23.5 0 .375 1 0 r -w 0 0 -h p ; reflector shorting strap 1 0 0 -h 0 -r -w p 1 0 r 0 0 r -w d ; rivet 1 0 r 0 1.875 r 0 p ; top phasing line 1 1.875 r 0 2 s 0 p 1 2 s 0 2.125 s t p 1 2.125 s t 2.5 0 t p 1 2.5 0 t 8 0 t p 1 8 0 t 8.25 -s t p 1 8.25 -s t 8.375 -s 0 p 1 8.375 -s 0 8.5 -r 0 p 1 8.5 -r 0 10.5 -r 0 p 1 0 -r 0 0 -r -w d ; rivet 1 0 -r -w 1.875 -r -w p ; bottom phasing line 1 1.875 -r -w 2 -s -w p 1 2 -s -w 2.125 -s -y p 1 2.125 -s -y 2.5 0 -y p 1 2.5 0 -y 8 0 -y p 1 8 0 -y 8.25 s -y p 1 8.25 s -y 8.375 s -w p 1 8.375 s -w 8.5 r -w p 1 8.5 r -w 10.5 r -w p 1 10.5 r -w 10.5 r 0 d ; rivet shift x 10.5 1 0 r 0 1.875 r 0 p ; top phasing line 1 1.875 r 0 2 s 0 p 1 2 s 0 2.125 s t p 1 2.125 s t 2.5 0 t p 1 2.5 0 t 8 0 t p 1 8 0 t 8.25 -s t p 1 8.25 -s t 8.375 -s 0 p 1 8.375 -s 0 8.5 -r 0 p 1 8.5 -r 0 10.5 -r 0 p 1 0 -r 0 0 -r -w d ; rivet 1 0 -r -w 1.875 -r -w p ; bottom phasing line 1 1.875 -r -w 2 -s -w p 1 2 -s -w 2.125 -s -y p 1 2.125 -s -y 2.5 0 -y p 1 2.5 0 -y 8 0 -y p 1 8 0 -y 8.25 s -y p 1 8.25 s -y 8.375 s -w p 1 8.375 s -w 8.5 r -w p 1 8.5 r -w 10.5 r -w p 1 10.5 r -w 10.5 r 0 d ; rivet shift x 21 1 0 r 0 1.875 r 0 p ; top phasing line 1 1.875 r 0 2 s 0 p 1 2 s 0 2.125 s t p 1 2.125 s t 2.5 0 t p 1 2.5 0 t 8 0 t p 1 8 0 t 8.25 -s t p 1 8.25 -s t 8.375 -s 0 p 1 8.375 -s 0 8.5 -r 0 p 1 8.5 -r 0 10.5 -r 0 p 1 0 -r 0 0 -r -w d ; rivet 1 0 -r -w 1.875 -r -w p ; bottom phasing line 1 1.875 -r -w 2 -s -w p 1 2 -s -w 2.125 -s -y p 1 2.125 -s -y 2.5 0 -y p 1 2.5 0 -y 8 0 -y p 1 8 0 -y 8.25 s -y p 1 8.25 s -y 8.375 s -w p 1 8.375 s -w 8.5 r -w p 1 8.5 r -w 10.5 r -w p 1 10.5 r -w 10.5 r 0 d ; rivet shift x 31.5 1 0 r 0 1.875 r 0 p ; top phasing line 1 1.875 r 0 2 s 0 p 1 2 s 0 2.125 s t p 1 2.125 s t 2.5 0 t p 1 2.5 0 t 8 0 t p 1 8 0 t 8.25 -s t p 1 8.25 -s t 8.375 -s 0 p 1 8.375 -s 0 8.5 -r 0 p 1 8.5 -r 0 10.5 -r 0 p 1 0 -r 0 0 -r -w d ; rivet 1 0 -r -w 1.875 -r -w p ; bottom phasing line 1 1.875 -r -w 2 -s -w p 1 2 -s -w 2.125 -s -y p 1 2.125 -s -y 2.5 0 -y p 1 2.5 0 -y 8 0 -y p 1 8 0 -y 8.25 s -y p 1 8.25 s -y 8.375 s -w p 1 8.375 s -w 8.5 r -w p 1 8.5 r -w 10.5 r -w p 1 10.5 r -w 10.5 r 0 d ; rivet 1 source Wire 1, center 1 load Impedance load Wire 1, center 0 53.5 Mounting brackets: 5" x 1.5" x 0.5" x .05" U-channels, 0.5" reinforcement sheaths. Bracket equivalent diameter calculated with YO 7.70. Phasing line equivalent diameter calculated with W9CF formula. Driven element locking flanges not modeled. Set SWR reference impedance to 87.2 ohms. Disable bent-wire correction.
88–108 MHz