- repaired my old faithful Rohde & Schwarz VSA, photo of the waveform display and a photo of the vectorscope display (25.04.2016)
- notes on modifying the XRF187S FET transistor from 950 MHz to 1.3 GHz
- an article (in Finnish) about adding NICAM digital audio to analogue FM Amateur Television for the microwave bands
- the OH2RTE ATV repeater subpage (in Finnish)
- had some ideas of adding an junkbox optical receiver (25k) to the OH2RTE Amateur Television Repeater of OH2HKE
- an article (in Finnish) about FM-ATV over LASER experiments I did recently (now working on adding almost linear, digital NICAM sound too)
- here is a drawing (93k) of my favourite 1.3 GHz ATV antenna
- front view of my larger 10 GHz system (88k)
I built for using mostly with OH2RTE
- here is screenshot (78k)
of
the OH2RTE computer generated "Philips" test chart
- user interface (56k) of the 700 mW 10470 MHz DRO stabilized FM ATV transmitter
- and an overall (80k) operators position view of the 60 cm dish setup
- FM allows excellent (54k) video quality (old valve TEK 529)
- FuBK (14k) test image (ancient Fese equipment, about 1 cubic meter !) on 24 GHz FM ATV
- a cheap omnidirection 5.7 GHz ATV antenna
- one of my homebrew FM ATV (37k) receivers, this one based on an old Salora tuner
- this is a photo of a 50 W 1.3 GHz FM ATV transmitter and receiver package (68k) I built for our OH2Z group
