28 MHz QRPp QRSS beacon
IW0HK and I0SKK 28 MHz QRPp beacon
(II versione - marzo 2008)
The 28 MHz is a QRPp QRSS automatic TX 2nd version
These are pics of new beacon layout with a higher power in order to put 2 different power levels out on the air
SPECS:
Power output : 170 mW and 900 mW output
Antenna: vertical
Frequency: 28.322 kHz
Mod: CW ASK with a 12 wpm and a QRSS3 message
Call: IW0HK
Complete view The new PA Top view
(click to enlarge):
I want to be sure about heatsink ! :) Prototype during life-test Side view of the board Output lowpass filter
Output filter 1stversion
keying and message is from the Pic beacon chip by IK2BCP and programmed by And IW0HK
page updated 2008 March 24th