30 meter

138 links - and 2 categories

SAFARI 40-30m vertical Antenna - G3RWF
Roach pole vertical antenna for 40 and 30 meters band featuring good performance on short ...

[ Hits: 316 | Votes: 0 | Rating: 0 ]
30m Half -Size Rotary Dipole - G3YEU
A rotary dipole antenna for 30 meters band Each arm is about 12 5 ft ...

[ Hits: 200 | Votes: 0 | Rating: 0 ]

40 meters band beverage antenna - YO8RXP
The author describes his experience building and using a Beverage antenna for the 40 meter ...

[ Hits: 35 | Votes: 0 | Rating: 0 ]

160m Inverted Delta Loop - IK1MNJ
This 160 meter Delta Loop antenna is made of Hard drawn copper wire AWG 10 ...

[ Hits: 115 | Votes: 0 | Rating: 0 ]

Chokes and Temperature changes - PA0NHC
The influence of temperature changes in Common Mode Chokes To get an indication of the ...

[ Hits: 46 | Votes: 0 | Rating: 0 ]

Portable magnetic loop antenna - VK3IL
A portable loop antenna made with a 3 meter loop resonates with the chosen capacitor ...

[ Hits: 167 | Votes: 2 | Rating: 9 ]
Multi-Band 4 Foot Magnetic Loop with Gamma Match - AA1IK
This antenna works on 17 20 and 30 meters with the best bandwidth on 20 ...

[ Hits: 141 | Votes: 2 | Rating: 10 ]
K1FM Mini Magnetic Loop - K1FM
Original HF magnetic loop antenna designed by the author to work in conjunction with QRP ...

[ Hits: 118 | Votes: 1 | Rating: 8 ]

Short Antenna for 40-30-20 Meters Band - dj0ip
This page describes an entirely simple One Knob matchbox that will match this antenna efficiently ...

[ Hits: 239 | Votes: 1 | Rating: 7 ]

A simple Attic Antenna for HF bands - Eugene Viktorovich
This simple antenna was installed on the attic Antenna was matched with help an Automatic ...

[ Hits: 319 | Votes: 7 | Rating: 6 ]

20-30m Vertical Antenna - F6GLZ
Homebrew project for a vertical antenna with a coaxial cable trap that works on 20 ...

[ Hits: 73 | Votes: 0 | Rating: 0 ]

OK1WC Memorial MWC Contest - MWC
A CW contest running every Monday from 1630 UTC to 1729 UTC on 40 and ...

[ Hits: 107 | Votes: 2 | Rating: 10 ]

W6LVP Loop Antennas - W6LVP
Magnetic loop receive antennas manufacturer W6LVP loops cover 2200 through 10 meters 135 kHz through ...

[ Hits: 145 | Votes: 1 | Rating: 4 ]

Propagation on 630 Meters and 2200 Meters - K9LA
This is a theoretical look at propagation on 630 Meters and 2200 Meters using ray ...

[ Hits: 39 | Votes: 1 | Rating: 10 ]

SW-3B QRP CW RTX - Venus
The SW 3B is a Three band CW QRP transceiver Weight 180g output power 5W ...

[ Hits: 121 | Votes: 0 | Rating: 0 ]

Yaesu FT-710 QST Review - K1RO
Yaesu FT-710 AESS MF/HF and 6-Meter Transceiver review on QST

[ Hits: 134 | Votes: 1 | Rating: 7 ]

ICOM IC-R75 Review by N9EWO - N9EWO
Icom IC R75 tabletop HF communications receiver came onto the market back in 1999 and ...

[ Hits: 44 | Votes: 0 | Rating: 0 ]

A Feature-Rich RF Power Meter with AM Detection - TF3LJ ^new
This project goal is to construct a versatile and informative RF power meter The user ...

[ Hits: 29 | Votes: 0 | Rating: 0 ]