Most commented posts

  1. Build your own Hytera cable — 23 comments
  2. Hytera MD785(G) noise modification — 9 comments
  3. Hytera X1p: First impressions — 6 comments
  4. Ordered some new antennas — 5 comments
  5. Going topbands with new loop — 5 comments

Author's posts

June 2018 NAC contest on 432 MHz

First NAC on 432 MHz this year. The 2nd Thuesday of the month is always difficult for me. In the log: Netherlands, Sweden, Denmark, Germany and England. ODX was SK7MW with 617km.

June 2018 NAC contest on 144 MHz

The map is too small :-)

Todays NAC contest just finished. There were very good tropo conditions. Yesterday I could hear the OY beacon on both 144 and 432 MHz, today I didn’t (yet). But heard and worked many stations in GM and even a little bonus with stations in North Ireland. ODX: GM7PKT/P IO76NO 824 km with FT-817 and 5 Watts. …

Continue reading

RSGB 144MHz May Contest

Saturday during the start and Sunday morning I spend a few hours in the shack and was able to work 21 stations. Amongst them, 1 in Schotland, 2 in Wales and the rest from England. I was using a 9-elements LFA and 100 Watts power. ODXC was GM6MD in IO75VG (717km). The log is uploaded as …

Continue reading

New 23cm antenna

Last week a new antenna for 23cm arrived. It’s the SHF-design 67-element (5 meter boom) from Wimo. It should give about 20 dBd gain and will replace the borrowed 23-elements Tonna. I hope that this beam, in combination with the Gemnini amp, gives me enough punch to work stations more than 500 kilometer away. I …

Continue reading

May 2018 contest results

Only spend a few hours in the shack.

New HAMNET link

Last weeks I’ve changed the HAMNET set-up. The radio is switched from Ubiquiti PBE M5-400 to Mikrotik using a 60 cm dish. The s/n ratio is now 50 dB(!) from my home to PI1UTR in the Gerbrandy tower, 31 km away. Furthermore I’ve switched to BGP-based routing with the fiber internet connection as back-up.

Storm :-(

Last week, storm hit the Netherlands with speeds up till 128 km/h. My temporary mast went down. A new base is ready to be mounted. This time with more counterpose and guy wires. The Moxon for 50 and 70 MHz needs some new aluminium. Besides that (and the bent platform) no damage to the roof. 

Buying 23cm transceivers in Japan

The 'UN' FET, which is a 3SK274. Thanks, Leo from radioamateurshop.nl.

Last week I’ve received a shipment with several 23cm capable transceivers from Japan. One was the Kenwood TM-541 and two others were Kenwood TM-833’s. The 833’s are quite unknown since there are only brought to the Japanese market. basically it’s the more familiar dual-band 733 but now with the bands 70cm/23cm.

Continue reading

23cm receiver PI6NOS

I’ve build an extra 23cm receiver for the regional 23cm repeater system PI6NOS in Hilversum. Building was quite straightforward. Just take a Raspberry Pi, an RTL-SDR stick and connect it to an antenna (using a band-pass filter not to overload the RTL-stick with crap). The repeater system is based on an svxlink controller so just …

Continue reading

First price Belgium 144 MHz Spring contest

I won the first prize in the Belgium UBA spring contest on 144 MHz. within the QRP segment outside of Belgium. The caveat: I was the only one who send in a log :). Nevertheless I’d like to thank all Belgium stations for there patience working me. I was using about 5 Watts of power …

Continue reading

July 2017 NAC-contest 144 MHz

The first two hours I started beaming OZ and DL. Signals from OZ (and SM) where very loud. From 120 degrees (Germany Ruhrgebiet) I noticed local QRN. That’s why dots are missing in Germany. Later on I directed the beam 270 degrees towards the UK. Unfortunately no Wales or Scotland. The biggest surprise was a …

Continue reading

July 2017 VHF-UHF-SHF contest

New DXCC: SP (Poland) and EI (Ireland). The last one, I was able to work on 432 MHz in SSB and 144 Mhz in CW. Distance: 827km zo my ODX for this contest. I didn’t hear and work SM (Sweden) stations. I had a sked with an OE (Austria) station but unfortunately this didn’t work …

Continue reading

RSGB 144 MHz May contest 2017

Last weekend the RSGB held the annual 144 MHz May contest. I’ve made 17 QSO’s on Saturday. Just for fun. The log is send as checklog. I”ve made one mistake with G3WSK’s locator. UT1FG/MM was a surprise as operator, active from his boat on the Northsea. The band was quiet dead. ODX was M0WYB with …

Continue reading

Preparing 23cm station

I’m preparing my 23cm station. Last weekend I’ve made some QSO’s during the May contest but with a very limited set-up. Time to have some more punch. Onboartd is a Gemini SSPA easily capable of delivering 180 Watts. More than enough for the 120 Watt limit here in the Netherlands for bands above 1 GHz. Also …

Continue reading

May 2017 VHF-UHF contest

Active on 144 and 432 MHz. New was 1296 MHz with a (very) limited set-up: 15-elements yagi (120cm boom) without pre-amp and 10 Watts of output power. Still able to work Belgium, Germany and England.