3 wire

209 links

30m vertical dipole - The 30 Meter Vertical Dipole is constructed from #10 stranded insulated wire available in most hardware stores. The feedpoint uses a T-section of PVC pipe. The coax loops through the PVC pipe to provide strain relief. by W1TR
[ Hits: 2050 | Votes: 2 | Rating: 4.5 ]

40 Meters 3 element Wire Yagi - A three element wire yagi antenna for 7 MHz project plan with drawings and EZNEC model
[ Hits: 2197 | Votes: 7 | Rating: 4.71 ]

9:1 Magnetic Longwire Unun - A magnetic longwire unun with a T130-2 Iron Powder core by M0UKD
[ Hits: 1424 | Votes: 7 | Rating: 7.29 ]

Solid vs. Stranded wire in coils - Skin effect and proximity effect on making coils with stranded wire. An interesting comparison on making coils.
[ Hits: 769 | Votes: 1 | Rating: 1 ]

End-fed wire antennas - An RSGB article on end-fed wire antennas and the W3EDP alternative.
[ Hits: 1257 | Votes: 2 | Rating: 5.5 ]
Multiband End-Fed Antenna - A homebrew project for a multiband end-fed antenna made with a single FT140-43 and 50pf capacitor and 20 meters of wire.
[ Hits: 3435 | Votes: 8 | Rating: 6.12 ]
End Fed Long Wire Antenna - The antenna is an inexpensive, multiband, end fed HF antenna. It has a matching network consisting of a toroid core and an antenna lead of 30
[ Hits: 2259 | Votes: 5 | Rating: 5.2 ]

The $4 special antenna - A multiband wire antenna with a twinlead feedline that can be easily tuned in several bands, witha 33 ft per leg you can have a 40 to 10 meters band coverage
[ Hits: 2268 | Votes: 4 | Rating: 7.25 ]

40 m short vertical - A shortened and invisible wire antenna for 7 MHz
[ Hits: 6206 | Votes: 17 | Rating: 7.65 ]

20m 40m trapped squid pole antenna - An homemade portable vertical antenna with a trap near the mid point of the main element. The trap is made with 42mm diameter PVC pipe with 9 turns of wire on it
[ Hits: 3020 | Votes: 5 | Rating: 5.2 ]

A Low Cost Multi Band - W3DZZ trapped multi-band antenna, exposed in this practical wireless article
[ Hits: 2058 | Votes: 3 | Rating: 7 ]

W3EDP Antenna Notes - Hints for building a W3EDP-Antenna, includes the construction of the 1:4-balun by DK7ZB
[ Hits: 931 | Votes: 3 | Rating: 9.33 ]

40 Meters Wire Yagi Antenna - A wire yagi antenna model, easy to build, made using inverted vee elements and requiring just one support by ve3vn
[ Hits: 2582 | Votes: 6 | Rating: 4.67 ]
40m wire Yagi antenna - A 4 element Wire Yagi antenna design for the 40 meters band
[ Hits: 1777 | Votes: 1 | Rating: 5 ]
Build an Inverted Vee Antenna - Notes on how to build an inverted V wire antenna with lenghts for all HF bands from 160 mtrs to 10 mtrs
[ Hits: 794 | Votes: 3 | Rating: 6.33 ]
5 element wire Yagi antenna for 20 m - A 5 element wide spaced yagi for the 20m long path to Europe was installed at ZL6QH, the antenna is fed with a 600 ohm open wire feed line.
[ Hits: 1174 | Votes: 0 | Rating: 0 ]
Basic Wire Antennas Part II - Presentation about wire antennas, focusing on Loops , inverted L and Verticals
[ Hits: 935 | Votes: 3 | Rating: 9 ]
Basic Wire Antennas Part I - A presentation of popular wire antenna models like Dipoles, half size, full size, doble zepp, ocf dipoles, G5RV
[ Hits: 1652 | Votes: 0 | Rating: 0 ]

BP-3 Polish WWII Spy Radio Set - The BP-3 was a valve-based spy radio transceiver, developed during WWII by Tadeusz Heftman of the Polish Military Wireless Unit in Stanmore (UK). It was introduced in 1943 and was intended for use by Agents and Resistance Organisations in Europe. The transmitter produces an output power of 50 Watts in CW
[ Hits: 990 | Votes: 0 | Rating: 0 ]

HF Antennas for Beginners - 30 Meters and Below - An interesting article for beginners that guide new hams to find what kind of antenna to install, evaluating wire aerials, commercial verticals and how to setup antennas in restricted lots
[ Hits: 858 | Votes: 1 | Rating: 4 ]