We don't know much about propagation on 500kHz yet - The DI beacons and SM6BHZ give us some targets, but leave a lot of empty gaps in coverage. Cheers, Jim Moritz 73 de M0BMU Dear Jim, I understand
Dear all, I would like to comment these MF propagation statements by my own experiences down below: Around 1957, when I had been at sea, the average MF transmitter power on a cargo ship had been arou
[ ... ] And one of my mentors, who used to be a Sparks, told of when he called an Alaskan coast station on 500 with the standard message saying he was going into port and was answered by a station in
Hi Roelof, LFers, Thanks for the tip about the "classaxe" website! Very neat and effective. I have already put it to use to find out data about the Navtex stations I've been copying on my big 500 kHz
Dear Roelof, LF Group, Thanks for sending the link - someone has been busy! I did some Navtex monitoring myself a while back - I used some decoder software called SeaTTY which logs all the messages,
Dear James, LF group, You wrote: >> We don't know much about propagation on 500kHz yet << For a start you might have a look at the following website: http://www.classaxe.com/dx/ndb/reu/index.php Sele
Dear David, Dave, Alan, LF Group, My experience is that some stations are restricted to frequencies around 502kHz due to crystal control being used - there is relatively little going on nearer the ba
On 5th July Dave Sergeant wrote-- -- Remember, your QRSS may be down in the noise in distant places, over most of the UK it is 599... 73 Dave G3YMC http://www.davesergeant.com -- I am afraid it is ve
In a message dated 05/07/2007 08:04:25 GMT Standard Time, [email protected] writes: Hi Dave, I'mm CC on 501.5 and 502. Could beacons be put higher in the band say at 503? 73 Colin G3VTT Thanks Colin. All
I would suggest it is best to put the 'beacons', especially QRSS ones, close the top or bottom band edges allowing a margin for the transmit bandwidth - especially since those using QRSS have rather
Hi Dave, I'mm CC on 501.5 and 502. Could beacons be put higher in the band say at 503? 73 Colin G3VTT In a message dated 04/07/2007 23:14:12 GMT Standard Time, [email protected] writes: Hello all. After
Hello all. After tinkering around for some time I now have a '3 mode beacon' constructed and ready for testing. CW - QRS - PSK31 all on a PICchip. I'm concerned about accidentally putting it on a fre
Dave Remember also if you are using QRSS you must send your callsign at FREQUENT intervals at normal speed. Only out of politeness. The only MUST is once every 15mins in the same mode as the main tra
