q signal

242 links - and 1 categories

Durable 2-Meter Yagi Antenna: PVC and Window Line Construction - KB9RLW
Discover the creation of a robust 2 meter 3 element Yagi antenna using PVC pipe ...

[ Hits: 140 | Votes: 0 | Rating: 0 ]

Baluns and Ferrites Basics - VE2AZX
Unlock the secrets of RF signal optimization in a presentation covering Balun essentials diverse types ...

[ Hits: 199 | Votes: 3 | Rating: 9.67 ]

Beverage Transformers for HF Receiving Antennas - KK5JY
This FAQ covers building and buying transformers for loop on ground and Beverage antennas Building ...

[ Hits: 22 | Votes: 0 | Rating: 0 ]
An Overview of Beverage Receiving Antennas - N0AX
This article explores Beverage antennas a type used for low frequency radio reception Despite the ...

[ Hits: 19 | Votes: 0 | Rating: 0 ]

Moxon Mania - Building the Ultimate 4-Band Moxon Antenna - W7JMP
The article details the design and construction of a four band Moxon beam by a ...

[ Hits: 96 | Votes: 0 | Rating: 0 ]

Chokes and Isolation Transformers for Receiving Antennas - K9YC
Chokes and isolation transformers are essential for receiving antennas to mitigate common mode current which ...

[ Hits: 60 | Votes: 1 | Rating: 9 ]

Airplane scattering - W3SZ
Operating on Airplane scattering Scattering of radio signals by airplanes An introduction to operating ariplane ...

[ Hits: 165 | Votes: 0 | Rating: 0 ]

Hamstick Experimentation: A Day of Surprising Results - WK4DS
In his POTA activation WK4DS experimented with radials for hamstick antennas Despite sun and RF ...

[ Hits: 44 | Votes: 0 | Rating: 0 ]

FunCube Dongle HF Upconverter: Expanding Reception Range - M1GEO
This article describes an HF upconverter for the FunCube Dongle Pro Designed for radio amateurs ...

[ Hits: 34 | Votes: 1 | Rating: 8 ]

Digital Modes with Yaesu FT-817 - qsoshack
Setting up the Yaesu FT 817 and Signalink for data mode communication Hardware and software ...

[ Hits: 58 | Votes: 0 | Rating: 0 ]

MSF radio time signal - NPL
The MSF radio signal is a dedicated standard frequency and time broadcast that provides an ...

[ Hits: 50 | Votes: 1 | Rating: 10 ]
DCF77 - PTB
DCF77 is a time signal transmitter operated by the Physikalisch Technische Bundesanstalt PTB It broadcasts ...

[ Hits: 57 | Votes: 1 | Rating: 10 ]
JJY - NICT
JJY is a time signal transmitter operated by the National Institute of Information and Communications ...

[ Hits: 31 | Votes: 0 | Rating: 0 ]
CHU - NRC
CHU is a time signal transmitter operated by the National Research Council in Canada It ...

[ Hits: 42 | Votes: 0 | Rating: 0 ]

AI-Powered Radio Signal Cleanup: Battling QRM in Real Time - PA9X
Amateur radio enthusiast Jean Paul Suijs discusses combating manmade noise QRM in radio signals using ...

[ Hits: 73 | Votes: 0 | Rating: 0 ]

Arduino QRP Transceiver: DIY Success on HF Bands - M0XPD
This article introduces an Arduino based QRP CW Transceiver designed for lower HF bands The ...

[ Hits: 116 | Votes: 1 | Rating: 1 ]

Analyzing SSB Signal Quality in CQ WW Contest - OH6LI
This article investigates SSB signal quality during the CQ WW 2015 SSB contest It highlights ...

[ Hits: 42 | Votes: 0 | Rating: 0 ]

A 2 meter band-pass cavity using surplus Heliax - ka7oei
Cavity is often required at a busy site to not only prevent its receiver from ...

[ Hits: 131 | Votes: 2 | Rating: 3 ]

A Universal Programming Cable for Radios - Yevgueny Andropov
The programming cable is intended to be used with a computer RS 232 port for ...

[ Hits: 91 | Votes: 0 | Rating: 0 ]

Reducing RFI from PoE Devices - KA7OEI
Hams can be annoyed by noise from PoE cameras and access points These devices and ...

[ Hits: 30 | Votes: 1 | Rating: 6 ]