Common and Precious

From HFUnderground

Jump to: navigation, search

Beacon "Common and Precious"

QSL Commons and Precious.jpg

The Operator [TM] will create a small documentation here. If time is at hand.


Operating since: Friday, 8. of February 2015

Power: 5W (was 1,5W until middle of March)

Antenna: 1/2λ Dipole on a roof, approx 13m above the ground (4,5m above the roof)

System: Pulled 10.240Mhz X-Tal. Uses a 3 stage amplifer: Oscillator, Puffer/Preamp (Keyed) and main PA.

Uses two 7 pole (double PI) filter for harmonics supression (a filter before and after the main PA).

System effiency is approx 68%

Record: 6.605,68km Harrisburg, Pa, USA



This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Some links may be affiliate links. We may get paid if you buy something or take an action after clicking one of these.