Author Archives: Ronald Bouwens

Arduino PCB

Following the POCSAG Arduino encoder (by N2RVQ, described on this site) a piggyback PCB for the Arduino (or clone) has been desinged. The first batch of PCB has arrived already a while ago, but busy times at QRL and holiday … Continue reading

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VHF propagation warnings

As of 2006 I’m running a VHF propagation warning system. This system analyses all DX clusters, CW skimmers and fmlist.org FM-DX reports. And when there is a chance for Es, multi-hop Es or Aurora propagation a warning message is sent. … Continue reading

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Once upon a time there was… five tone

Some time ago I’ve (re-)discovered the old five tone gear. Years ago this was the usual stuff for employees of emergency services. In the pre-tetra era selective calling on analoge communication networks was done by five tone calling. Regardless if … Continue reading

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Be aware about Arduino clones!

Update: the correct driver for Windows has been found. This driver combined with the latest Arduino IDE make sure you can work with the board as expected. This is a chinese download site. I’ll arrange another download a.s.a.p. Recently I’ve discovered a nasty side … Continue reading

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First APRS test on 70cm

Currently the iGate receiver / POCSAG transmitter is connected to the Diamond X-30 on the roof. By this and by raising the QRO to a whopping 5W the reach of the POCSAG transmitter has been enlarged significantly. But also the … Continue reading

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APRS at 430.5125 MHz

As of February 21st. the PE2KMV-1 iGate has been activated on 430.5125 MHz. Not that many stations are active with APRS on UHF, but probably soon PE2KMV-9 will be. The iGate acts RX-only: it only listens and uploads the data … Continue reading

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RPi versus…

Today I’ve noticed the Raspberry Pi running the POCSAG scripts has an uptime of already two weeks. It seems a single board computer of 30-40 Euros running a free OS can do something my brandnew Quadcore i7 notebook with expensive … Continue reading

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Meteo goes POCSAG

The dutch meteorological institute KNMI again releases a ‘Code orange’ warning because of drought, storm or thunderstorm. In the Netherlands these warnings are released from De Bilt, almost central in the country. But what about Vlaardingen in the southwest, Enschede … Continue reading

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POCSAG transmitter and APRS iGate QRV

Just an update as of January 10th. 2015. As of January 2015 the POCSAG paging transmitter in its test environment is QRV at 439.9875 MHz. The range is now approximately 5km in the area around JO21QK. The POCSAG transmitter is … Continue reading

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History

Somewhere around 2002 Arno PE1RDP and myself had started encoding POCSAG messages. In the beginning using a DOS application ‘PE’, written by Clive Cooper G8UKN. We had to search for information in DL because in PA almost nobody was using … Continue reading

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