l antennas

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l antennas

1415 links - and 47 categories

Antennas : 2M
  • A portable 2-element VHF yagi  pop - Build a portable VHF yagi antenna for 2 meters. All you need is two rabbit ear antennas from Radio Shack, two CATV baluns, four feet of 3/4 CPVC pipe with one tee.
    [ Hits: 28669 | Votes: 26 | Rating: 7.23 ]
Antennas : Beverage
  • WW2Y/K2WI Beverage design - Ideas for enhanced beverage antenna performance, Single wire beverage improvements and arrays of two beverages. This article explores improving reception with Beverage antennas. It discusses single wire Beverages and their limitations. Then it compares two array configurations: broadside and end-fire. Broadside offers better front-to-side ratio but requires more space. End-fire offers better front-to-back ratio and takes less space but is trickier to implement for multiple bands. The article concludes with a 3-element end-fire design for excellent performance and explores possibilities for dual-band configurations.
    [ Hits: 4057 | Votes: 4 | Rating: 9.5 ]
  • 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: 15519 | Votes: 9 | Rating: 8.45 ]
  • Beverages: How Short Can They Be - When we think of Beverage antennas, we automatically think of several acres of land and lots of wire!
    [ Hits: 3759 | Votes: 4 | Rating: 8.5 ]
  • Beverage switching box - Sharing beverage antennas with this switch boxes is possible. This article describes a 6-position remote antenna switch for Beverage antennas on 3 bands (160m, 80m, 40m). It allows selecting one of 6 antennas for each band without affecting other receivers. The system uses a control box with a rotary switch and a separate splitting box with bandpass filters for each band.
    [ Hits: 5510 | Votes: 3 | Rating: 4.33 ]
  • Comparison of Beverage antenna - A ranking of receiving antennas based on noise being evenly distributed in all directions. These rankings are most accurate in the frequency range of AM broadcast, 160 or 80 meter bands
    [ Hits: 2855 | Votes: 2 | Rating: 6.5 ]
Antennas : Lindenblad Antennas : Mobile
  • Antennas for HF mobile operation  pop - 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: 90298 | Votes: 80 | Rating: 5.12 ]
  • Effective HF Mobile Antennas - Effective HF Mobile Antennas Keith WB2VUO, explains difficulties on gaining antennas efficiency on lower bands with mobile antennas.
    [ Hits: 7913 | Votes: 4 | Rating: 6.75 ]
Antennas : Multiband
  • 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: 3827 | Votes: 2 | Rating: 5.5 ]
Antennas : Receiving
  • Active receiving antennas - An active antenna is sometimes used for receiving purposes in instances where a normal antenna would be impossible to accommodate in a physical sense.
    [ Hits: 12628 | Votes: 6 | Rating: 5.5 ]
Antennas : Shortwave
  • Roofspace Antennas  pop - How to build a roofspace antennas and get them to work. Explains how to build an effective antenna in your roof. Very interesting if you don't have possibilities to setup an antenna in your roof.
    [ Hits: 46799 | Votes: 19 | Rating: 4.74 ]
Antennas : Stealth
  • Antennas and Grounds for apartments - Suggestions on finding RF ground when you live in an apartment and you want to setup an antenna
    [ Hits: 23167 | Votes: 12 | Rating: 5.75 ]
Antennas : Theory
  • 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 ]
Antennas : Wire
  • How create simple dipoles - How to create a simple but effective half wave dipole, illustrated instrucions on how to build wire antennas
    [ Hits: 3339 | Votes: 4 | Rating: 6.5 ]
Manufacturers : Antenna Switches
  • Alpha Delta Communications - Manufacturers and distributors of coaxial surge protectors, coaxial switches, insultators, HF fixed wire antennas
    [ Hits: 3002 | Votes: 5 | Rating: 4.86 ]
Manufacturers : Antennas
  • Digital Smart Antennas DiSA - Digital Smart antenna (DiSA) Automatically Adjusts over a wide band of frequencies.
    [ Hits: 926 | Votes: 2 | Rating: 5.5 ]
Manufacturers : Antennas : GPS
  • Autotena - 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: 4289 | Votes: 8 | Rating: 4 ]
Manufacturers : Microwave
  • Taoglas antennas - Antennas for asset tracking, navigation and remote monitoring GPS, GSM, GPS/GSM, Satellite Radio, WLAN
    [ Hits: 876 | Votes: 5 | Rating: 7.8 ]
Shortwave Radio : Beginner's guides
  • Getting Started in SW Listening - Excellent and exaustive guide to shortwave listening offered by monitoringtimes, includes operating guides, technical suggestions, buying guieds, antennas implementations and more, all what is needed by shortwave listening beginners.
    [ Hits: 5428 | Votes: 19 | Rating: 6.8 ]

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