NAVIGATION · ATV & STREAMS
ATV MULTIVIEW
Live ATV streams from the Netherlands and Germany. Click a station to load the stream.
NL · DE · TWITCH · SLDP · OWNCAST
LIVE STREAM
PE1PzN live. ATV and wideband FM transmissions on the microwave bands.
PE1PzN · TWITCH · 23cm · 13cm · 6cm
16:9 WIDESCREEN
How to go from 4:3 to 16:9 transmission simply and cheaply. Anamorphic, WSS and the PIP legacy explained.
ANAMORPHIC · WSS · PALPLUS · 720×576
TEST PATTERN GENERATOR
A real PM5544/PM5644 test pattern from a Raspberry Pi, live from the EPROM data. Free SD image to download.
PM5544 · PM5644 · PAL · Pi · DOWNLOAD
SDR7020 · TRANSMIT & RECEIVE
SDR7020 FM TRANSMITTER
An FM broadcast transmitter on the SDR7020: analogue MPX in, FM out. digiWUFFUM controls the transmitter and measures deviation, pilot, RDS and channel separation.
FM · MPX · RDS · CLIPPER · DOWNLOAD
SDR7020 DigiFM-Optimal
A complete FM broadcast transmitter in the SDR7020: audio processor, stereo coder with RDS, FM transmitter and FM receiver in the FPGA, without delay. As loud as possible within 200 kHz. New: the web version, operated in the browser, without a PC.
PROCESSOR · STEREO · RDS · FM · WEB V2.01 · WINDOWS 1.0.1 · DOWNLOAD
SDR7020 NICAM & PzN
NICAM-728 stereo transmitter and receiver with its own FPGA design, plus the own narrow system PzN: from 160 kHz wide, with QPSK or 4GFSK, and PzN 256 sounds as good as NICAM.
NICAM-728 · PzN · QPSK · 4GFSK · I2S · DOWNLOAD
SDR7020 ATV RECEIVER
Receive analogue FM-ATV with the SDR7020, from 70 MHz to 6 GHz. FM demodulator, NICAM and FM sound in the FPGA, PAL picture with waveform and vectorscope on the PC.
FM-ATV · PAL · NICAM · FM SOUND · WSS · DOWNLOAD
SDR7020 PCM
Digital audio as a video picture, like the Sony PCM-F1 and EIAJ, transmitted as FM-ATV. Transmitter and receiver in the FPGA of the SDR7020, operated in a web browser.
PCM-F1 · EIAJ · FM-ATV · 44.1 kHz · TEST VERSION · DOWNLOAD
TOOLS · CALCULATIONS & DESIGN
TROPIC FORECASTS
Tropo forecasts for the microwave bands. Check the conditions for DX on 23cm, 13cm and up.
TROPO · DX · CONDITIONS · MICROWAVE
dBm / dBW CALCULATOR
Convert power between dBm, dBW, mW, Watt, Vrms and dBuV. With the formulas.
dBm · dBW · dBuV · Vrms · Z₀=50Ω
INTERDIGITAL FILTER
Band-pass filter calculator for the microwave bands. Chebyshev or Butterworth.
BAND-PASS · CHEBYSHEV · BUTTERWORTH · MICROWAVE
AUDIO METERS
Two free meters for Windows: a stereo peak meter with phase meter, and an analyser with goniometer, spectrum and loudness to EBU R128.
PPM · PHASE · FFT · R128 · DOWNLOAD
TECHNICAL SPECIFICATIONS
ACTIVE BANDS
23cm
1240–1300 MHz · TX/RX
13cm
2300–2450 MHz · TX/RX
6cm
5650–5850 MHz · TX/RX
3cm
10.0–10.5 GHz · RX only
MODES & TECHNIQUES
ATV ANALOGUE
AM / FM video
ATV DIGITAL
DVB-S · DVB-S2
AUDIO
FM Stereo · RDS
STREAMING
Twitch · SLDP · Owncast