wide band
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Antennas : 40M- Hairpin antenna for 40m band
- A modified Hairpin antenna for a wider bandwidth an mounted on a grounded metalic mast
[ Hits: 326 | Votes: 0 | Rating: 0 ]
- TEFV Terminated End Fed Vee Antenna
- The Terminated End Fed Vee Antenna (TEFV) is a travelling wave antenna with constant current distribution. Unlike traditional resonant antennas, TEFV operates without standing waves, using a terminating resistor for broadband efficiency. With a combination of vertical and horizontal polarization, it offers wide bandwidth from 1.8 MHz to 30 MHz, eliminating the need for a tuner. Key components include a 9:1 unun transformer and a 500-ohm terminating resistor. Grounding and counterpoise enhance performance, and it can handle power losses of up to 30%. TEFV provides an effective, versatile antenna solution for amateur radio and broadcast applications.
[ Hits: 183 | Votes: 2 | Rating: 6.5 ]
- Folded Dipole Antennas
- The folded dipole antenna or folded dipole aerial is widely used, not only on its own, but also as the driven element in other antennas like the Yagi antenna and various other types of antenna. Folded Dipole Myths, Bandwidth and details on folded dipoles
[ Hits: 435 | Votes: 7 | Rating: 3.57 ]
- Outdoor 80m/40m bands Magnetic loop antenna
- No matching adjustments needed. Directly perfect match to 50 Ohms using a remotely switched wideband transformer
[ Hits: 225 | Votes: 0 | Rating: 0 ]
- Spiral Antenna for SDR
- Designing and Testing a PCB Wideband Spiral Antenna. The 800 MHz+ and 300 MHz+ spiral antennas by Hexandflex
[ Hits: 91 | Votes: 0 | Rating: 0 ]
- T2FD Antenna - Terminated and twisted folded dipole
- T2FD is a 600-900 ohms folded dipole, terminated with resistor. Feed impedance is coupled with 50/600 ohms voltage balun. It is a wide band antenna with rather low SWR over the full designed frequency range: antenna tuner is seldom needed.
[ Hits: 482 | Votes: 0 | Rating: 0 ]
- Z-Match 100 and mini Z-Match
- This is a antenna tuner with wide range tuning for antennas with a Z of + 50 Ohms on all the HF bands.
[ Hits: 297 | Votes: 0 | Rating: 0 ]
- Six Meter Beacons List
- World-Wide 50MHz Beacons database maintanied by G0LGS provide a fully sortable table available also in a google map format
[ Hits: 192 | Votes: 1 | Rating: 9 ]
- World Wide Digi DX Contest
- World Wide Digi DX Contest 2019 The contest will occur over 24 hours on August 31 and September 1, 2019 using the FT4 and FT8 modes on the 160, 80, 40, 20, 15, and 10-meter bands.
[ Hits: 154 | Votes: 0 | Rating: 0 ]
- HF DXView Propagation Map
- This map shows real-time radio propagation from stations operating on 11 bands between 1.8 and 54 MHz in the amateur radio service. The display shows world-wide activity from the last 15 minutes and is automatically updated about every minute. Data for the map is gathered from several online sources: WSPRnet, Reverse Beacon Network (CW, FT4, FT8), PskReporter, and DX Cluster.
[ Hits: 299 | Votes: 5 | Rating: 7.6 ]
- Ham Radio Frequencies
- This guide explores different radio bands that hobbyists use to talk to each other worldwide. It explains how these bands work and what they're used for. From low-frequency to high-frequency bands, each has its own unique features for people who enjoy communicating through radios
[ Hits: 72 | Votes: 0 | Rating: 0 ]
- Active Antenna Amplifier
- Manufacturer of amplifier for small magnetic and electric receiving wideband antennas, and variable delay line kit for active antenna phased arrays
[ Hits: 279 | Votes: 0 | Rating: 0 ]
- Maldol MFB-300 HF vertical antenna review
- The Japanese-made Maldol MFB-300 HF vertical antenna offer extremely wide-band performance, with a specified frequency range of 1.0-60 MHz.
[ Hits: 432 | Votes: 2 | Rating: 5.5 ]
- ICOM IC-R9500 Review
- Review of the ICOM IC-R9500 Wide Band DSP Receiver
[ Hits: 138 | Votes: 1 | Rating: 10 ]
- Icom IC-R8600 Review
- Review of the excellent ICOM IC-R8600 Wide Band SDR communications receiver. Featuring Direct Sampling SDR below 30 MHz Hybrid Superhet / SDR above 30 MHz.
[ Hits: 140 | Votes: 1 | Rating: 10 ]
- DXWatch App for iPhone
- This is the official App of the popular DX Web Cluster DXWatch. You can follow amateur radio DX spots trough the world wide DX cluster network filter by band. Available for iPhone and iPad
[ Hits: 228 | Votes: 0 | Rating: 0 ]
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