More good decodes from VO1NA on 477kHz Op8 30 Nov / 1 Dec lasting over a ten hour period. Interestingly, I was often the only one to copy Joe, but when several others copied him they often reported b
Thank-you for the reports, Mike, ANdy and J-P. It should be possible to compare the antennas with all the SN numbers I've been saving. The TX is on again tonight 2300 utc 01 Dec. 73 Joe VO1NA
Hello Joe, I am running a PERSEUS overnight spectrum recording from 200 - 600 kHz each night. So, it is no problem to run OP8 on 477 kHz whilst these recordings are running. Looking at last night's r
suffering from static interference Not as such Roelof By using Manchester coding , each of the 250 ish bits are self sycn , so its not possible to 'loose lock' this coupled with non-linear routines i
Graham, Thanks for the info regarding immunity to static for OP8. I noticed last night, high background noise , and Joe's signal dropped at one point , that may of been a Ae change ? The Kyoto Dst dr
Hello Joe, Last night catches: 06:34 477 VO1NA de PA0RDT Op8 -32 dB F:8% in Middelburg 05:33 477 VO1NA de PA0RDT Op8 -33 dB F:8% in Middelburg 05:03 477 VO1NA de PA0RDT Op8 -27 dB F:3% in Middelburg
Hello Roelof, Andy and J-P, The TX was hissing furiuosly this morning while on the wire aerial just before it was switched off. Thank-you for the reports. The TX will be off tonight. 73 & MNI TNX Joe
Hi Joe, sounds like a fierce fire-spitting dragon... What is the nature of that hiss, and can you identify which component is actually producing the acoustic emissions? High voltage discharges at the
Hi Markus, Group. Thank-you for your interest in this enigmatic hissing dragon problem. The 630m class E TX worked well with the original AD8950 DDS, but when excited with the AD9851 clocked with the