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QRPGuys DS1 Antenna Assembly Manual
First, familiarize yourself with the parts and check for all the components. If a part is missing, please
contact us and we will send one. You must use
qrpguys.parts@gmail.com
to request a part.
Parts List
1 – QRPGuys DS1 antenna mount pcb
1 – 3" L x 3/4" PEX tubing
1 –3/4" copper pipe cap
1 -3/4" brass PEX tubing plug
1 – 46.5" telescoping antenna element
1 – BNC male chassis connector
1 – BNC female/female bulkhead connector
2 – 4-40 x .25"L SS panhead screws
1 – 4mm x 16mm long SS panhead screw
1 – 8-32 x .75 long SS panhead screw
2 – 8-32 SS nuts
2 - #8 internal tooth SS lockwashers
1 - 1/4-20 SS nut
1 - #8 spade crimp connector
1 – 22awg magnet wire
1 – Ø1" x 3" long clear heatshrink tubing
Tools required are, an electric drill, 5/64" drill bit, 4-40 tap, phillips screwdriver, pliers, soldering iron,
solder.
Page 1 of 10
ds1_antenna_assy_072920.pdf
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Summary of Contents for QRPGuys DS1
- Page 1 You must use qrpguys.parts@gmail.com to request a part. Parts List 1 – QRPGuys DS1 antenna mount pcb 1 – 3” L x 3/4” PEX tubing 1 –3/4” copper pipe cap 1 -3/4” brass PEX tubing plug 1 –...
- Page 2 The graphic below shows the scope of the antenna project. The instructions below, if followed, will insure a successful outcome. Please read them carefully before proceeding. Page 2 of 10 ds1_antenna_assy_072920.pdf...
- Page 3 You will start with the loading coil first. Thread the 4mm x 16mm long screw, and #8 lock washer into one of the PEX plugs from the inside. Hold the brass PEX plug where shown below with pliers and tightly secure the screw. Slide the piece of PEX tubing into the copper pipe plug all the way to the bottom and tape with scotch tape to prevent it from rotating.
- Page 4 Tap the 11/16” and 2 3/4” hole locations with the 4-40 tap. Tap those locations only. Remove the PEX plug with the screw assembly attached and set aside. Remove the 3/4” copper pipe plug from the PEX tubing and install the BNC male chassis connector on the outside, securing the nut on the inside.
- Page 5 Slide the PEX tubing into the copper pipe plug until the two 11/16” location holes align, and secure the two with one of the 4-40 x .25” screws. Wind a total of 22 turns close wound, and feed the far end of the magnet wire down thru the 2” location hole to the inside, and back to the outside thru the 2 1/4”...
- Page 6 Shrink the tubing and trim the excess flush with the end of the PEX plug. This completes the loading coil. Populate the DS1 Antenna Mount board as shown in the sequence below. The remaining 1/4-20 nut is for securing the antenna to a user supplied 1/4-20 stud, via the center hole in the board.
- Page 7 Husky Portable Light Tripod part# 1001 863 391. Make an adapter with a 8” long piece of PVC pipe with a cap and 1/4-20 screw in the end. The adapter will just go into the tripod tube and rest on the cap. Attach the DS1 antenna mount with the1/4-20 nut we supply. Only the 40m coil when working 40m.
- Page 8 You must use qrpguys.parts@gmail.com to request a part. Parts List 1 – QRPGuys DS1 antenna mount pcb 1 – 4” L x 3/4” PEX tubing 2 -3/4” brass PEX tubing plug 1 – 4mm x 16mm long SS panhead screw 1 - #8 internal tooth SS lockwasher 2 –...
- Page 9 Tap the 5/16” & 3 11/16” hole locations with the 4-40 tap. Tap those locations only. Remove the PEX plug with the screw assembly attached and set aside. Thread one end of the #22awg magnet wire into the hole shown, and back out the other hole shown. The 22 awg wire needs to be connected to the PEX plug.
- Page 10 Again, remove the enamel insulation from the wire where the wire wraps around the screw and secure this end with the 4-40 screw as shown below. The coil gets covered with clear heatshrink tubing. Center the sleeve and shrink it to the assembly.