40m 80m band
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Antennas : 40M- 40-80 Half-Extended Double Zepp Antenna
- A dual-bander for 80M and 40m. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole.
This article will introduce the Half-Extended Double Zepp (HEDZ) which has characteristics that a lot of amateur radio operators should find quite interesting
[ Hits: 11390 | Votes: 9 | Rating: 4.44 ]
- Linear Loaded 40m Dipole
- Dipole for 40m band. It is a simple linear loaded dipole feeded with 450-Ohm openwire feedline. Designed it for resonance at 7.050 MHz, can be tuned on 30m and 80m bands with an external antenna tuner. Build with simple electrical copper wire (2.5 mmq/13 awg) and two fishing poles with size of about 7 m/23 ft.
[ Hits: 159 | Votes: 0 | Rating: 0 ]
- Receiving antenna for low bands
- K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
[ Hits: 19584 | Votes: 11 | Rating: 8.45 ]
- 80m OCF Dipole
- A simple 7 bands off-center dipole wire antenna designed to work on 80 meters band and that can cover also 40m 30m 20m 15m 12m 10m with acceptable SWR
[ Hits: 1999 | Votes: 2 | Rating: 6 ]
- 80m-40m Loaded Dipole
- A dual band dipole antenna for 40 and 80 meters band. Total lenght of 26 meters, foreseen two coils at aprox 11 meters distance from center feed.
[ Hits: 238 | Votes: 4 | Rating: 5 ]
- Shortened EFHW Antenna 80-10m
- A shortened multiband antenna, about 23m long, for 80m - 10m bands with a low SWR (<1.3) on 80m and 40m, and <3 till 10m. Bandwith on 80m is 300kHz
[ Hits: 4106 | Votes: 10 | Rating: 6 ]
- Half Wave Fan Dipole Antenna
- Amateur Radio 40m 20m 15m Half Wave Fan dipole antenna project with part list, pictures and drawing. Includes the option to expand the antenna to cover the 80 meters band
[ Hits: 674 | Votes: 1 | Rating: 1 ]
- Four square phased verticals
- This page is a short description of the four phased verticals system i've build and used. It is primarily intendend to be used on the lower bands 160m, 80m, 40m.
[ Hits: 3258 | Votes: 16 | Rating: 6.76 ]
- Homemade Carolina Windom antenna
- This multiband wire antenna it is an off centre fed dipole, with 10 feet of vertical radiator, needs no tuner on 40m, 20m and 10m and works fine on all bands above 40m with a tuner, and even below 40m on 60m, and 80m.
[ Hits: 8182 | Votes: 12 | Rating: 7.58 ]
- 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: 5033 | Votes: 4 | Rating: 8 ]
- Inverted L Antenna by VK1OD
- This article describes a simple Inverted L antenna for the HF bands designed to work on 80m, 40m, 30m and 20m
[ Hits: 1400 | Votes: 1 | Rating: 5 ]
- Center-Loaded Off-Center-Fed Dipole - 6 band
- Multiband Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna that work on 80m 40m 30m 20m 15m 10m
[ Hits: 8056 | Votes: 8 | Rating: 6.62 ]
- Isotron Antennas
- Isotron antennas are antennas of reduced size, without tuning. On 40 and 80m band, it is made of two plates into v whose angles are connected by a coil.
In this article the description of a home made realization for the 40m band.
[ Hits: 392 | Votes: 6 | Rating: 8 ]
- G8JNJ Broadband HF Vertical Antenna
- G8JNJ Broadband HF Vertical Antenna - Requires no tuner - great results from 40m to 10m plus 80m & 6m with reduced performance
[ Hits: 4677 | Votes: 4 | Rating: 7 ]
- 80m-40m Dual-Band Vertical
- A dual band 40-80 vertical antenna on an 18m Spiderbeam Fiberglass Spiderpole, with monoband performance
[ Hits: 159 | Votes: 2 | Rating: 10 ]
- WebSDR Wismar
- This WebSDR is located in Wismar in the north of Germany JO53RV and operated by Frank Goehling DO7AX. There are four RTL2823U USB dongles with three Ham It UP up-converters for 80m/40m/20m and a RTL2832U for the 2m Band. The Antenna for 80/40/20m is a 84 meters Delta Loop.
[ Hits: 371 | Votes: 4 | Rating: 10 ]
- Chameleon Antenna
- The Chameleon V1 HF Multiband Antenna is a mobile antenna that can also be used as portable. Lightweight mil whip antenna system with 10 BANDS capability 6m, 10m, 12m, 15m, 17m, 20m, 30m, 40m, 60m & 80m.
[ Hits: 3231 | Votes: 15 | Rating: 0 ]
- RippleTech Electronics
- Wide bandwidth Trapped Verticals and rotary dipoles, baluns, 40m/80m wire dipoles and accessories from Australia.
[ Hits: 1259 | Votes: 3 | Rating: 10 ]
- A Progressive Communications Receiver
- The purpose of this webpage is to document an attempt at this project starting with the 80m core receiver first and also having the parts on hand for then adding the first dual conversion band (40m)
[ Hits: 429 | Votes: 1 | Rating: 10 ]
- LY1GP software defined radios
- TinySDR for 80m band and ZetaSDR for 40m band
[ Hits: 1696 | Votes: 6 | Rating: 6.83 ]
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