4 meter
852 links - and 11 categories
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Antennas : 12M- Rotary dipole for 12/17 meters
- A home brewed rotary dipole antenna for 12 and 17 meters band with pictures and construction details
[ Hits: 8261 | Votes: 5 | Rating: 8.4 ]
- Yagi antenna for 17 meters band
- A 3 element yagi antenna for 17 meters
[ Hits: 3985 | Votes: 2 | Rating: 5.5 ]
- 2 meter cubical quad antenna
- W7SIR cubical quad antenna for 146 mhz
[ Hits: 14638 | Votes: 15 | Rating: 7.17 ]
- 40 meter double bazooka antenna
- A double bazooka antenna plan for the cw portion of the 40 meter band
[ Hits: 9275 | Votes: 20 | Rating: 5.5 ]
- Rotary Dipole for 30 and 40 meters band
- Drawings pictures and notes on a rotary dipole antenna for 30 and 40 meters band
[ Hits: 10401 | Votes: 1 | Rating: 2 ]
- A portable 10/20/40 mt vertical antenna
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- A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. A modified version for 20 and 40 meters is described too.
[ Hits: 81598 | Votes: 55 | Rating: 5.01 ]
- A 30/40 meters band vertical anetnna
- A shortened 30/40 meters band vertical antenna in italian
[ Hits: 7608 | Votes: 1 | Rating: 1 ]
- A centre-fed co-axial dipole for 4m
- Easy to setup dipole antenna for 4 meters band by Tony Hawker G4CJZ
[ Hits: 6604 | Votes: 14 | Rating: 5.78 ]
- K0RWU Multiband dipole 6-17 meters
- This antenna consists of 4 resonate dipoles made from 12 insulated copper electrical wire. The dipoles are resonate on the following bands: 6 meters, 10 meters, 12 meters and 17 meters.
[ Hits: 2208 | Votes: 1 | Rating: 10 ]
- Mobile 10/80 dipole antenna setup
- A mobile setup using a dipole antenna for 10 to 80 meters band in italian
[ Hits: 8048 | Votes: 1 | Rating: 7 ]
- QRP Fan Dipole
- Attic Fan dipole antenna that allow to operate QRP from 40 metres to 10 metres, specifically 40, 20, 17, 15 & 10 meter band
[ Hits: 8491 | Votes: 8 | Rating: 5.63 ]
- 6 element Log Periodic for 50 Mhz
- A project by G3SYC of a log periodic antenna for 6 meters band
[ Hits: 7276 | Votes: 8 | Rating: 5.62 ]
- Linear Loaded mobile antenna
- A vertical linear loaded antenna for 2 meters band in italian
[ Hits: 3505 | Votes: 1 | Rating: 6 ]
- Vertical antenna for Vacation
- Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB
This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band.
Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
[ Hits: 5035 | Votes: 4 | Rating: 8 ]
- The Grid Yagi for 144 Mhz
- The Grid Yagi (or Grid Quad) is a high performance yagi antenna that can be built with readily obtainable inexpensive materials. Described here is a 6 element 2 meter version with a boom length of about 1 wavelength, shown
[ Hits: 2502 | Votes: 2 | Rating: 5 ]
- Quad Antenna for 144 Mhz
- A VHF Quad antenna for teh two meters band in italian
[ Hits: 3916 | Votes: 10 | Rating: 6.8 ]
- Delta Loop antenna maintenance
- IK4DCS experience on maintaining a multiband delta loop antenna for 10/12/20 meters.
[ Hits: 4292 | Votes: 3 | Rating: 3.33 ]
- IK4DCS 80-160 mt Sloper antennas
- My Sloopers antennas for 80 and 160 meters
[ Hits: 12430 | Votes: 10 | Rating: 7.1 ]
- Shortened vertical antenna for 7 Mhz
- A simple drawing of a shortened antenna for 40 meters by using a PVC tube
[ Hits: 3219 | Votes: 2 | Rating: 4.5 ]
- HF Beam Calculator
- A javascipt online calculator for 2 and 3 element beam antennas.
Just input frequency and will diplay element dimensions and spacing. Measurements in Feet and Meters by G4VWL
[ Hits: 3438 | Votes: 27 | Rating: 5.45 ]
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