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Antennas : 2M
- 100 grams VHF yagi
- A portable VHF home-made Yagi-Uda antenna, that is extremely easy to build and very cheap. Moreover this antenna, while dismounted is just 1 meter long, and the total weight is just 100 grams.
[ Hits: 1897 | Votes: 7 | Rating: 7.43 ]
- 50MHz long-yagi antenna
- Design a 50MHz long-yagi antenna by PA3FGA
[ Hits: 483 | Votes: 2 | Rating: 3.5 ]
- Six elements for Six Meters
- A Six-element Yagi Beam for 6 Meter by W1JR proiddes a power gain of 10.2 dB over a dipole it is built on a 24 foot long boom
[ Hits: 402 | Votes: 2 | Rating: 6.5 ]
- Yagi Calculator
- Yagi Calculator is a Windows program that also runs well on Linux, Ubuntu 8.10 under Wine, to produce dimensions for a DL6WU style long Yagi antenna. Long yagis are commonly used from the 144MHz amateur band to the 2.4GHz band.
[ Hits: 1820 | Votes: 28 | Rating: 6.28 ]
- Long Wire Dipole Antenna
- An basic horizontal half-wave antenna which can be made of ordinary copper wire. The cable should have a cross section of 1 mm 2 or more. The antenna can be stretched between two masts, a house and a mast, or between two apartment buildings.
[ Hits: 792 | Votes: 5 | Rating: 5.6 ]
- 2m HT antenna shootout
- G4ILO compares popular antennas for 2 metre band handhelds so as to see how much you lose using a small inconspicuous antenna or how much you gain by using a long antenna.
[ Hits: 638 | Votes: 4 | Rating: 6.5 ]
- Spiral Antenna Theory
- Spiral antenna belong to the class of frequency independent antennas. Antennas with a very large bandwidth.
[ Hits: 940 | Votes: 0 | Rating: 0 ]
- Long wire and Un-Un
- Testing log wire antennas and a unun by G0KYA
[ Hits: 617 | Votes: 1 | Rating: 6 ]
- Low Q Long Yagi
- VHF Yagi antennas with low Q, extending the boom.
[ Hits: 323 | Votes: 0 | Rating: 0 ]
- Pignology, LLC
- Pignology is mainly an app developer focused on ham radio related topics. Offers radio remote control devices, and develop apps for them along to logbook apps and other ham radio related utilities.
[ Hits: 379 | Votes: 0 | Rating: 0 ]
- Longwave DXing
- Longwave refers to all frequencies below the lower end of the AM broadcasting band at 540 kHz
[ Hits: 209 | Votes: 0 | Rating: 0 ]
- Longwave Overview
- Longwave operations in Germany by DF0WD/DL4YHF
[ Hits: 189 | Votes: 0 | Rating: 0 ]
- Longwave Information
- DK8KW Longwave Information Slow-Voice, Transmitting compressed analog Audio Signals on LF
[ Hits: 181 | Votes: 0 | Rating: 0 ]
- Longwave Station
- DF0WD DL4YHF Longwave Station include a linear transverter and antenna tuner
[ Hits: 284 | Votes: 0 | Rating: 0 ]
- Inside The Icom AH-4 Antenna Coupler
- The AH-4 is an antenna coupler/tuner designed for long wire or whip type antennas.
[ Hits: 476 | Votes: 1 | Rating: 9 ]
- Shortwave.am - Shortwave Schedules
- Shortwave Radio Schedules from Eibi/AOKI combined lists. Includes Google maps showing beam directions and long paths.
[ Hits: 1327 | Votes: 2 | Rating: 3 ]
- Radio propagation prediction and simulation tool for VHF-UHF, based on the Irregular Terrain Model, also known as Longley-Rice. Can be used as a repeater site planing tool and radio coverage analysis. Currently it works on Linux and Windows.
[ Hits: 3144 | Votes: 9 | Rating: 4.56 ]
- Homebrew longwire antenna launcher
- Construct an antenna launcher
[ Hits: 789 | Votes: 2 | Rating: 9 ]
- Can I still use oxidized coax cable?
- This question bugged me after trying to exchange the connectors of a 25m long Aircell7 coax cable
[ Hits: 331 | Votes: 1 | Rating: 10 ]
- The EMI - RFI page
- Article on radio frequency interferences, with a long list of common RFI cause, like Plasma TV, Solar panels inverters, fluorescent tube lamps.
[ Hits: 265 | Votes: 0 | Rating: 0 ]
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