30 meter antennas
9 links - and 1 categoriesCategories
- A double extended Zepp for 10 meters
- How to make a Double Extended Zepp Antenna, almost a conventional halfwave dipole fed in the center with 300 or 450 ohm feed line by kh6jrm
[ Hits: 1730 | Votes: 6 | Rating: 8.5 ]
- 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: 2049 | Votes: 2 | Rating: 4.5 ]
- A 30 Meter Sloping Dipole Antenna
- This variation of the basic horizontal, half wavelength flat top dipole has proven to be a simple, effective antenna suitable for both home and portable use.
[ Hits: 452 | Votes: 0 | Rating: 0 ]
- Shortened 80m Antenna
- An antenna for 80 meters band for those who does not have enough space to setup a halwave wire dipole that is aprox 130ft or 40 meters. The antenna is an open-wire-fed shortened dipole
[ Hits: 420 | Votes: 1 | Rating: 1 ]
- Moxon Antenna for 2 meters
- A moxon antenna for 2 meters band featuring 6 dBi and a F/B of 30 dBi
[ Hits: 707 | Votes: 3 | Rating: 8.67 ]
- Short Antenna for 40-30-20 Meters Band
- This page describes an entirely simple, One-Knob matchbox that will match this antenna efficiently on 40, 30 and 20m, using a simple circuit that can be switched between series-resonant and parallel-resonant with just one banana jumper
[ Hits: 235 | Votes: 1 | Rating: 7 ]
- W6LVP Loop Antennas
- Magnetic loop receive antennas manufacturer. W6LVP loops cover 2200 through 10 meters (135 kHz through 30 MHz) with no tuning or adjustment.
[ Hits: 144 | Votes: 1 | Rating: 4 ]
- 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: 852 | Votes: 1 | Rating: 4 ]
- Propagation on 630 Meters and 2200 Meters
- This is a theoretical look at propagation on 630-Meters and 2200-Meters using ray tracing software. It expands on the brief discussion in the ARRL Handbooks.
The Earth's magnetic field affects 630-Meter and 2200-Meter band propagation. Lower ionization reduces absorption, aiding low-frequency propagation. Differences exist between bands, limited daytime sky-wave propagation. Sunrise/sunset show promise, yet mechanisms are unclear. Ducting possible at night in specific conditions. Negative ions enhance propagation. Inefficient antennas and high man-made noise are anticipated. Groundwave propagation is significant on 2200-Meters.
[ Hits: 36 | Votes: 1 | Rating: 10 ]
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