z antenna
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Antennas : 160M- Receiving loop aerial for 1.8 MHz
- Bulding notes of a receiving loop antenna for 160 meters band
[ Hits: 4444 | Votes: 4 | Rating: 7.5 ]
- QM5 Yagi for 2 meters band
- The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
[ Hits: 6869 | Votes: 4 | Rating: 5.25 ]
- QM7 7 elements 144 MHz Yagi-Uda Antenna
- The QM7 antenna is a simple 7 elements Yagi with 3.70 m boom length for the lower 144 MHz SSB/MGM band, used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 11.35 dBd; i.e. 13.5 dB forward gain over the isotropic radiator, while the F/R is about 12.5 dB
[ Hits: 5361 | Votes: 15 | Rating: 5.27 ]
- 8 Element Quad for 145 Mhz
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- 8 elements quad antenna for 2 meters band, centered on 145 Mhz
[ Hits: 30210 | Votes: 105 | Rating: 5.81 ]
- 7Mhz Vertical antenna
- The secret with this antenna is to install as many radials as you can around the base of the antenna, they can be anything from 1/8 wave or longer.
[ Hits: 24126 | Votes: 15 | Rating: 4.14 ]
- Switchable Antenna 80/160 meters band
- A switchable antenna for 80/160 meters by IK1ZOY. A new version of a 1/4L 80 m. dipole modified for use in 160 m. band. using it's own coaxial cable feeder to wrap a coil.
[ Hits: 17199 | Votes: 6 | Rating: 5.5 ]
- Beverage Antenna Construction
- Types of beverage wires, choose best supports and insulators, multiple antennas at one feedpoint, all well documented with photos and exaustive explanation.
This article offers insights on building Beverage antennas for optimal reception. Key takeaways include using strong wire (copperweld or electric fence), proper termination, and a good grounding system (multiple copper rods). The author recommends maximizing antenna length and orienting it towards desired stations. For best results, utilize an antenna tuner and experiment with termination resistors.
[ Hits: 15518 | Votes: 9 | Rating: 8.45 ]
- K1FZ Beverage Antenna Transformers
- The K1FZ series of beverage antenna transformers are what you need to utilize your beverage antenna to its full potential
[ Hits: 3238 | Votes: 5 | Rating: 8 ]
- The Lindenblad Antenna: The Ultimate Satellite Omni Directional Aerial
- This Antenna project is a bit more complex than other omni antennas for satellite use, but it is much easier and cheaper than a standard tower mounted circular polarized azimuth and elevation rotating beam system.
[ Hits: 442 | Votes: 5 | Rating: 6.8 ]
- Cheap antenna to make from 160m - 6m
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- The antenna is nothing more than a simple 2.4 metre square loop drawing pinned to the internal brick wall of the spare bedroom. Yep, thats right, the inside wall of the spare bedroom - ideal for flat dwellers, hotel rooms or whinging neighbours, The loop has a simple switched inductance at the top of the square loop and uses a simple coaxial stub to tune the antenna. An additional variable capacitor placed across the feedpoint can be used to fine tune the resonance of the antenna, by Andy G0FTD
[ Hits: 46512 | Votes: 28 | Rating: 7.61 ]
- Antennas for HF mobile operation
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- The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz
[ Hits: 90295 | Votes: 80 | Rating: 5.12 ]
- A Magnetic Loop antenna for 7-21 mhz
- If you find external wire antennas obtrusive for amateur radio or short wave listening, then this is the antenna for you, is just 1 meter diameter
[ Hits: 3826 | Votes: 2 | Rating: 5.5 ]
- Travel loop antennas
- PA11019 Travel loop antennas, these antennas cover 6.300 to 29.200 mHz , handle 35 Watts and have a packing size of 43 cm, ideal for fieldwork, or mobile operations.
[ Hits: 3564 | Votes: 2 | Rating: 9.5 ]
- Quad or Loop antenna
- Information about quad and loop antennas, matching tips, differences on polarization and impedence by PA0FRI
[ Hits: 920 | Votes: 3 | Rating: 4.33 ]
- 9 band vertical HF antenna by RW3XA
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- Simple vertical radiator with matching box. No traps, no tuner required for this multiband antenna
[ Hits: 38750 | Votes: 43 | Rating: 7.34 ]
- 7 MHz Vertical antenna
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- 7 MHz Vertical antenna for ham radio band of 40 meter text in spanish and english
[ Hits: 34597 | Votes: 98 | Rating: 8.43 ]
- EZMaster by HamRadioSolutions
- EZMASTER the all mode all in one interface. USB/Parallel/Serial Device. Include 75 sec Digital Voice Keyer, K1EL Winkey CW Keyer, SO2R switching, two radio interface, two RTTY audio insulated ports, two flexible Antenna Switch control. Ideal for Contesting, SO1R, SO2R, field day and daily activity.
Compatibile with all software on the market : CT, CTWIN, TR, NA, WriteLog, N1MM, WinTest, MMTTY, MIXW and more .
[ Hits: 2085 | Votes: 4 | Rating: 4.25 ]
- The reflected W beam
- Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.
[ Hits: 2787 | Votes: 3 | Rating: 8.67 ]
- Smith Chart Software
- SimSmith is a highly interactive, real time Smith chart graphing program. Circuits are constructed using drag-n-drop. Load files can be imported from the EZNEC and CocoaNEC antenna simulation software and from the AIM4170 and miniVNApro antenna analyzers. Circuits and load files can be of any size.
Key Features: SimSmith is one of the few Smith chart packages which models transmission line losses. SimSmith also allows the description of circuit elements using algebraic equations. SimSmith has only one screen and allows the screen to be resized to increase workspace or readability.
[ Hits: 1573 | Votes: 6 | Rating: 6.5 ]
- VNA-dsp / Antenna Analyzer
- This project is an attempt to build a portable standalone VNA (Vector Network Analyzer).
[ Hits: 2175 | Votes: 1 | Rating: 1 ]
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