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VERTICAL ANTENNAS

 
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HFpack Pedestrian Antenna
Shootout 2002
Vertical Antenna Report
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VERTICAL ANTENNAS

ANTENNA
Model
Builder
Entrant
SIGNAL
dB
+/-REF
SIZE
DEPLOYED
Length
 (feet)
SIZE
PACKED
(inch)
WEIGHT
Approx
lb
PHOTO
Click to
Zoom
COMMENTS
NOTES
DESCRIPTION
Super Antenna MP1 SuperStick #1 Portable Vertical WorldWide
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Reference Vertical 0.00 16.5ft Reference_element_preparation.JPG - Reference_Vertical.JPG 1/4wave of #14AWG tinned copper stranded bare wire, supported on fiber pole.
Reference Vertical Element drawing
Super Antenna MP1 SuperStick (long)
Super Antenna
-0.30 9.75ft 24x3x2
MP1_SuperAntennas_pieces.JPG
<2 MP1_SuperAntennas_long.JPG Portable or /Pedestrian Mobile.  Super Antenna MP1 SuperStick.
57" base rod. Segmented tubular metal rod below coil, variable adjust sliding coil, telescopic top section.
Dudleypole
Dudley KB8LPZ
-0.39 20.0ft 45x2x2
Dudleypole_collapsed.JPG
<2 Dudleypole.JPG Portable/Pedestrian.
Copper tape applied to collapsible fiber pole, with ferrite toroid matching. Problem: SWR >2.5:1, could not be resolved.
PAC-12C
James KA5DVS
-0.83 9.5ft 12x2x1
PAC12_pieces.JPG
<2 PAC12.JPG Portable/Pedestrian.
Aluminum rod with fixed coil on PVC form. Telescopic whip tip.

YP-1
Super Antenna
-0.88 9.2ft 30x3x3 <1 YP1_SuperAntennas.JPG Portable
Sectioned aluminum tubing with fixed loading coil. Half of the driven element of the YP-1 Portable Dipole, used as a vertical whip.

HFp
Ventenna Co.,
John WB4YJT
-0.88 6.5ft 18x2x2
2.2 HFp_Ventenna.JPG Portable/Pedestrian.
Multi-coil continuous spiral loading, wire wound on segmented fiber tubing with insulated covering

Super Antenna MP1 SuperStick (medium)
Super Antenna
-1.11 7.0ft 24x2x2 <2 MP1_SuperAntennas_long.JPG Pedestrian/Portable/
Bike/Mobile.
24" base rod. Segmented tubular metal rod below coil, variable adjust sliding coil, telescopic top section

Minuteman 20
Quicksilver Radio Products
-1.24 10.9ft 17x8x8
Minuteman_pieces.JPG
5 Minuteman20_Quicksilver.JPG Portable.
Wire supported on sections of PVC pipe. Air Dux loading coil with aligator clip. Telescopic whip tip on screw near top of PVC pipe.

Super Antenna MP3 Screwdriver
Super Antenna 
-1.56 7.0ft 36x2x2 >2 photo Mobile/Bike/Portable.
Collapsible motorized sliding coil "screwdriver" with tubular 3ft base section, stainless whip tip.

Super Antenna MP1 SuperStick (short)
SuperAntenna 
-2.18 6.0ft 12x2x3
MP1_SuperAntennas_pieces.JPG
<2 MP1_SuperAntennas_pieces.JPG Pedestrian/Portable/
Bike/AutoMobile.
12" base rod. Segmented tubular metal rod below coil, variable adjust sliding coil, telescopic top section.

Perth Plus
Terlin Outbacker,
Sharyl W3VET
-2.84 5.7ft 35x1x1
<2 Outbacker_Perth.JPG Mobile/Bike/
Pedestrian/Portable.
Wire wound on fiberglass epoxy dipped, band-tapped coil, jumper lead, stainless steel adjustable length whip tip.

Wonder Whip (long)
Bonnie KQ6XA
-2.86 7.5ft 24x4x5
Wonder_Whip_Box.JPG
>2 Wonder_Whip.JPG Portable/Pedestrian.
Wirewound potentiometer as base loading in a plastic box, BNC connector, 3/8-24 mount with sections of metal tubing and telescopic whip tip. Turning knob of the pot adjusts frequency resonance/matching. SWR 1:1

ATX Walkabout
Waters and Stanton
-4.38 5.3ft 11x1x1
ATXwalkabout.JPG
<1 ATXwalkabout.JPG Pedestrian/Portable.
Band-tapped jumper lead for small solid loading coil, telescopic whip. BNC, PL-259 or 3/8-24 base available.

AH 14
Maldol,
Cortland KA5S
[-4.82]
*See
Notes
4.0ft 7x.5x.5
<1 Maldol_AH14.JPG Pedestrian/Portable.
Base loaded telescopic whip with BNC. Fixed coil for each band. 
*Special Notes: Both AH14 antennas we tried were resonant at above 15MHz.This appears to be a design or production problem. SWR was way over 3:1, so the counterpoise was lengthened to about 20ft to resonate this antenna at 14.1MHz! We believe this antenna has higher loss than is indicated by the measurement, due to the fact that the longer counterpoise "unfairly" contributed a higher percentage of radiated RF.

Wonder Whip (short)
Bonnie KQ6XA
-7.16 4.3ft 7x4x4
Wonder_Whip_Box.JPG
2 Wonder_Whip.JPG Portable/Pedestrian.
Variable base loading, BNC connector, 3/8-24 mount with telescopic whip tip. Turning knob adjusts frequency resonance/matching.

Miracle Whip
Miracle Antenna
-10.59 4.3ft 7x1x1
Miracle_Whip_collapsed.JPG
<1 Miracle_Whip.JPG Portable/Pedestrian.
Wirewound ferrite toroid potentiometer as base loading in a plastic box, PL259 connector, with telescopic whip tip. Turning knob of the pot adjusts frequency resonance/matching.

75ohm Resistor with 90" Whip.
Bonnie KQ6XA
-17.82 7.6ft 24x1x1 <1 75ohm_Resistor_Whip.JPG Pedestrian/Portable.
75 ohm 5W resistor across BNC connector, in plastic box with 3/8-24 whip mount. Sectioned tubing and telescopic whip tip. SWR<1.3:1

75ohm Resistor with 48" Whip.
Bonnie KQ6XA
-26.34 4.2ft 7x1x1 <1 75ohm_Resistor_Whip.JPG Pedestrian/Portable.
75 ohm 5W resistor across BNC connector, in plastic box with 3/8-24 whip mount. Telescopic whip tip. SWR<1.3:1

Click Here for Horizontal Antenna Report
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