4 meter

856 links - and 11 categories

The 40m Delta Mono-Loop - DJ0IP
A delta loop antenna project for the 40 meters band include dimensions 80 meters band ...

[ Hits: 4049 | Votes: 10 | Rating: 6.89 ]
Short Delta Loop for 40m
A youtube video of a Short Delta Loop antenna only 8 5 meters per side ...

[ Hits: 3949 | Votes: 15 | Rating: 6.46 ]

40m Small Loop Antenna - hamradio.me
A well documented article on a small magnetic loop antenna for the 40 meters band ...

[ Hits: 2439 | Votes: 7 | Rating: 5.14 ]

High Performance 40 Meters Vertical - W6NBC
40 meter vertical antenna construction a shortened easy to build vertical with no radials made ...

[ Hits: 2237 | Votes: 2 | Rating: 8.5 ]

40m 2 Element Yagi Beam - TA7OM
A 40 meter band two elements yagi beam with a 6mt boom with pictures and ...

[ Hits: 5865 | Votes: 22 | Rating: 5.35 ]
40 Meters 3 element Wire Yagi - VE3VN
A three element wire yagi antenna for 7 MHz project plan with drawings and EZNEC ...

[ Hits: 2198 | Votes: 7 | Rating: 4.71 ]
2 Element Helical Yagi Beam for 40m - W1FBY
A helically wound two element 40 meter yagi beam antenna from a 1974 QST article ...

[ Hits: 6667 | Votes: 17 | Rating: 6.52 ]

20 40 80 Trapped Dipole - VK3ZPF
An homemade portable trapped dipole antenna for 40 and 80 meters band with an optional ...

[ Hits: 1404 | Votes: 9 | Rating: 5 ]

40 m Wire 4 Square Vertical Array - NA4L
40 meter four square vertical array using four full size 40 meter ground plane antennas ...

[ Hits: 1069 | Votes: 2 | Rating: 9 ]

The $4 special antenna - W1GFH
A multiband wire antenna with a twinlead feedline that can be easily tuned in several ...

[ Hits: 2269 | Votes: 4 | Rating: 7.25 ]

Repairing a 40m Yagi - WB9Z
WB9Z working on a 40 meter Yagi, at 140 feet

[ Hits: 790 | Votes: 1 | Rating: 10 ]

Balloon Vertical Omni-Antennas - KN9B
Experimenting vertical wire antennas for 40 and 20 meters supported by balloons resulting in excellent ...

[ Hits: 771 | Votes: 1 | Rating: 5 ]
20m 40m trapped squid pole antenna - VK3ZPF
An homemade portable vertical antenna with a trap near the mid point of the main ...

[ Hits: 3022 | Votes: 5 | Rating: 5.2 ]

W3DZZ Multi-band Antenna 80-40-20-15-10m - RSARS
A multiband antenna that can work from 80 to 10 meters in this illustrated docuemnt ...

[ Hits: 2735 | Votes: 4 | Rating: 8.75 ]
OH2EC Antenna - OH2EC
A trapped dipole antenna based on the orignal W3DZZ antenna design resonating on 80 40 ...

[ Hits: 1503 | Votes: 5 | Rating: 8.2 ]

Keysight (Agilent) Signal Generator - Jim Chavez
Keysight offers numerous baseband RF and microwave signal generator signal source products From basic to ...

[ Hits: 238 | Votes: 0 | Rating: 0 ]

HF Antennas for Beginners - 30 Meters and Below - N0GW
An interesting article for beginners that guide new hams to find what kind of antenna ...

[ Hits: 858 | Votes: 1 | Rating: 4 ]

Fun and Games with the Spiderbeam 18 Meter Pole - C31LJ
A portable operation experience with a SpiderBeam pole during a contest testing wire antennas like ...

[ Hits: 313 | Votes: 1 | Rating: 10 ]

HF2V 80 40m Vertical - EI7BA
Article on the HF dual band antenna with construction details and how to add 160 ...

[ Hits: 3033 | Votes: 10 | Rating: 7.2 ]
Tuning the Butternut HF2V - OZ9AEC
Complete instructions on tuning the Butternut HF2V on four bands 80 40 30 and 15 ...

[ Hits: 578 | Votes: 1 | Rating: 3 ]