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The Lindenblad antenna

The Lindenblad antenna
    The Lindenblad antenna consists of four half wave folded dipoles slanted 30 degrees to the horizon, oriented 90 degrees to each other in azimuth, spaced 0.3 wavelength apart
post 18 Mar 2025



Satellite Antenna Links

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A High Gain Mode J/B Yagi Antenna
The actual design was choosen mainly because of its broad 50 Ohm characteristics

A Portable Antenna for Satellites
The Leo Pack is a relatively lightweight circularly polarized antenna system for working satellites using the 2 m and 70 cm bands

A Portable VHF-UHF Roll-up J-pole Antenna
A description is then given on how this dual band principal is applied to a fully portable roll-up J-pole antenna

Adding to an Arrow Satellite Antenna
The UHF section is made of 6 elements with gain-optimized spacing as opposed to 7 elements with equal spacing for the Arrow. This makes my antenna shorter by 6 inches


Psion ham software

PSION Greyline Clock PSION Greyline Clock v. 1.0 is a UTC/Local clock showing sunlight/darkness area on the world map

Radioassistance

Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica

SunCalc

SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic