This homepage is about Wx-satellite pictures, and how to receive them, with home made equipment.
IT IS NOT FOR COMMERCIEL USE
CONSTRUCTIONS WITH ENGLISH TEXT
( PCB and SCHEMATICS can be downloaded )
With thanks to Peter Tanner for help with the translations
VHF RECEIVER WITH LCD DISPLAY.
New PLL for the APT receiver with PIC processor
from Bruce. VK7DKY
DOWNLOAD TEXT, PCB , AND PROGRAM
Frame antenne and amplifier 100 - 150 khz.
for HF fax.
HANDY AND EASY SIGNAL GENERATOR UP TO 1.7GHZ
.This picture shows a modulator, from a video
recorder, it can be used as a simple signal generator.
A video modulator, "transmits" from the VCR, to the television set,
normally between channels 32 and 38.
If you put an LF signal into the modulator, you get a nice FM modulated output
a very handy thing, when you have to tune a down converter to 1.7 Ghz.
So get a hold of the next old VCR you see.
DATA FRQ. AND OUTPUT LEVELS
Frq Channel 32-38....: 532.750 - 638.850 Mhz. Max signal. 22.50 mv
2 Harmonic.............: 1065.500 - 1277.700 Mhz. Max signal. 2.25 mv
3 Harmonic.............: 1598.250 - 1916.550 Mhz. Max signal. 0.71 mv
ELEVATION ROTATOR UNITs
Download both OZEL and OZEL 2 to get all drawings)
Download OZEL
Download OZEL 2
CEOZ PC tracker card
OBS: uses the parallel port.
( If you use an´old computer with DOS, it will work fine.)
Check the elevation
How to check the elevation rotor system, with
a laserpointer, or a pice of wirer
Download
2x36 elm. X beam for HRPT.
19 turns RH Helix.
Combinere
Download artikel about combiners and construction for 1700 Mhz
Download combiner (1700 Mhz) PCB