dual band antenna73 links
Antennas : 12M
- A dual band wire beam for 17 and 12 meters
- This wire beam Moxon antenna offers double duty on 17 and 12 meters with one 50 ohm feed line, a PDF file by Allen Baker, KG4JJH
[ Hits: 11200 | Votes: 12 | Rating: 7.50 ]
- The flower pot antenna
- A portable dual-band antenna working principally on 10 meters but also close to the 30 meter band. It's compact, light, economical and doesn't need any radial.
[ Hits: 12218 | Votes: 0 | Rating: 0.00 ]
- 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: 10774 | Votes: 7 | Rating: 4.28 ]
- A J-Pole for 2-meters and 70-cm
- An Easy Dual-Band VHF/UHF vertical Antenna made with a TV twin lead and coax cable
[ Hits: 95918 | Votes: 106 | Rating: 6.15 ]
- Copper Cactus J-pole VHF antenna
- Copper cactus dual-band super J-pole antenna project for 2 meters and 70 cm
[ Hits: 4833 | Votes: 4 | Rating: 7.75 ]
- Copper Cactus J pole 2 metter 70 Cm dualband
- Homebrew a j-pole 2mt and 70 cm antenna project. Make it cheap. This article includes homebrewing instructions, parts lists, tools needed and printable documentation.
[ Hits: 7707 | Votes: 16 | Rating: 6.26 ]
- 144-430 portable j-pole antenna
- A portable dual band j-pole antenna
[ Hits: 43498 | Votes: 28 | Rating: 5.79 ]
- The DBJ-1 VHF-UHF Dual Band J-Pole
- Searching for an inexpensive, high performance dual band base antenna for VHF and UHF ? Build a simple antenna that uses a single feed line for less than $10.
[ Hits: 5675 | Votes: 5 | Rating: 6.00 ]
- Home Brew VHF UHF dual band antenna
- Contructing precedure and tune up of a dual band mobile antenna. This antenna is just a 1/4 wavelength resonator for both UHF and VHF band. It provides no GAIN as compared to other multi-section design.
[ Hits: 35747 | Votes: 36 | Rating: 4.33 ]
- NB6Zep Antenna and more
- A modified EDZep for 20 meters, Yagi, Zepp Beam, Dual Dipole, Space Restricted 80 meter wires.
Operating Bands: 40 thru 10 meters with tuner
[ Hits: 9005 | Votes: 5 | Rating: 8.60 ]
- Vertical antenna for 2 mt and 70cm
- How to Build a Dual-Band Antenna for 2M/70cm presentation PDF file
[ Hits: 26476 | Votes: 45 | Rating: 6.41 ]
- 144/430 dualband J-Pole antenna
- A simple and cheap dualband j-pole antenna for 144 and 430 MHz
[ Hits: 14402 | Votes: 15 | Rating: 5.46 ]
- RM Italy
- RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more
[ Hits: 42150 | Votes: 97 | Rating: 5.82 ]
- Lakeview antennas, manufacturer of mobile antennas and accessories by WD4BUM, including colinear antennas, dual band, mounts and accessories. Maker of popular HamStick antennas.
[ Hits: 5992 | Votes: 15 | Rating: 7.40 ]
- Antenna manufacturer in Taiwan, products range are RF communication antennas ( CB, VHF, UHF, Dual band, Base Station, Marine, GPS,GSM, PCS, Cellular, DVB-T ) , Amplifiers , Mounting Kit ,Accessories & Related products.
[ Hits: 4053 | Votes: 8 | Rating: 4.00 ]
- Located in France, DXBeam designs and manufactures a range of monoband, dual band and triband antennas, rotary dipoles, Moxons and Yagis
[ Hits: 2390 | Votes: 9 | Rating: 2.00 ]
- The Ventenna
- Rugged, disguised 2m, 220MHz, 440MHz, and 2m/440 dual band antennas, HF portable antennas, portable dipoles.
[ Hits: 4336 | Votes: 18 | Rating: 8.55 ]
- Quantum Antennas
- 146/446 Mhz Dual Band, High Gain vertical Antenna
[ Hits: 934 | Votes: 2 | Rating: 9.00 ]
- 2m Band VHF antenna pre-amplifier
- Homebrew pre-amp for 144-146 MHz amateur band and OSCAR Satellites, using BF981
Dual-gate MosFet. Gain ~15 dB, NF=1dB.
[ Hits: 11709 | Votes: 94 | Rating: 8.59 ]
- QRM and noise reduction
- You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array.
Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
[ Hits: 4704 | Votes: 6 | Rating: 7.00 ]
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