N5YIZ 7-27-2025

Budget quarter wave ground-mounted vertical for 80 meters.  This antenna is 
based on the DX Engineering DXE-7580FS-VA-1.  

See video: https://youtu.be/-ldQVXz7CAI

Antenna
=======

All tubing 6063 with .058" wall - Texas Towers
(1) 2.000" x 72" no slits
(1) 2.125" x 36" slits at both ends
(1) 2.000" x 36" slits at one end
(1) 1.875" x 36" slits at one end
(1) 1.750" x 36" slits at one end
(1) 1.625" x 72" slits at one end
(1) 1.500" x 36" slits at one end
(1) 1.375" x 36" slits at one end
(1) 1.250" x 72" slits at one end
(1) 1.125" x 72" slits at one end
(1) 1.000" x 72" slits at one end
(1) 0.875" x 72" slits at one end
(1) 0.750" x 72" slits at one end
(1) 0.625" x 72" slits at one end
(1) 0.500" x 72" slits at one end
(1) 0.375" x 36" no slits

Hose clamps - Amazon
(2) 2.25"
(2) 2.00"
(2) 1.75"
(2) 1.50"
(3) 1.25"
(2) 1.00"
(3) .875"
(1) .625"
(1) .500"


Guy Lines
=========

Guy rings - DX Engineering
DXE-GR-5P (must modify 1.50" ring to 1.625")

Guys - Amazon
590' of 550 paracord (includes enough extra for adjustment, 3' each guy)
272' of 550 paracord (optional for adding 4th level of guys at top)
(substitute Mastrant,etc. if it makes you feel better)

Guy Anchors - Amazon
(4) 12" x 1/2" eye bolts
(8) 1/2" nuts (for eye bolts)
(4) 1/2" fender washers 
(?) Sakrete (enough for (4) guy points and (1) base)

Bolts for antenna to fiberglass insulator tube (same as used for radial hoop) - Amazon
(2) SS 1/4-20 x 1"
(4) SS 1/4-20 nuts
(2) SS 1/4 washers

Insulated base
(1) 2.00"x0.25"x11.5" Fiberglass tubing (2"id, 2.25"od) - Max-Gain Systems


Radial plate or "hoop"
======================
This "hoop" designed for 64 radials (adjust for needs)

(8) 1/2" x 5.75" copper tubing (type L is best) - Home Depot
(8) 1/2" 45-degree copper elbows
(64) 1/4-20 x 1" SS bolts
(64) 1/4-20 SS nuts
(4160) 14ga insulated wire per foot (64 quarter wave radials for 80m)
(64) 1/4 ring terminals - ebay
(1) 1" x 4" copper pipe (type L)
(1) SO-239 bulkhead fitting
(1) PL-259 w/wire terminated in 1/4" ring terminal for feedpoint


Base
====

(2) 1-1/4" x 9" x .125" angle iron - Home Depot
(2) 3/8" x 4.5" all thread
(8) 3/8" nuts
(1) 1/2" x 4" bolt
(1) 1/2" lock-nut


Notes
=====

1-foot = 50kHz (based on 32 radials)
add extra length to guys for adjustment