But the blocking of the receiver is not caused so much by these near-by signals but by the sum of all stations delivered by the aerial, especially the LF broadcast stations of course, and this sum ca
Saturday 17 April Re-installed antenna and rig after portable operation (almost all of my station goe to GW). Very noisy band from next door's TV, light dimmer and computer. Some relief using my dire
Normal service appears to have been resumed, and my activity.htm page works once again. For those who have not seen it, the LF part of my personal web site includes lots of information on my own stat
Andre Kesteloot quoted KC5CW: Other systems exist. The CONELRAD (CONtrol of ELectromagnetic RADiation) procedure of the 1960s required radio stations to broadcast special announcements, turn on and o
Saturday 24 April Local noise made reception impossible until 1030UTC. Heard G4GVC (599); G3KEV (599); G6NB (569); G3GRO (599) and DF2PY (439). "Worked G3BDQ (589/589). Sunday 25 April Heard the foll
Is there some room on the narrow 136kHz band for a limited (low-ERP) beacon experiment and are there amateurs interested in operating/monitoring such transmitters? The trouble with beacons is that w
Rik, ON7YD wrote re DF3LP's elevated feed antenna: So the lower 12m of the vertical part is just a connection to the ground. This might explain why the antenna is working so well and is not suffering
As most of this local qrm seems to be borne on the mains wiring has anyone tried taking a signal directly from the mains rather than from a separate "noise antenna"? Mike ZL4OL I will certainly try t
A long weekend with dry sunny weather. This resulted in more current in the antenna and the neighbours not watching TV/computer. It also meant lower than normal LF activity. Friday 30 April Heard G3B
Static is becoming a big problem again. Tips for newcomers to LF: (1) The static is usually much lower in the early morning - often none at all, even in August/September. Try breakfast time during th
I have updated the drawing of my antenna (a Marconi bent into a triangle) on my web site and added some photographs of it. Follow the link from the address below. Mike, G3XDV (IO91VT) http://www.denn
Excellent conditions this weekend with fairly low man-made QRN (QRNN). Heard/saw 9 countries! Saturday 8 May Heard: HB9ASB (329); GW4ALG (559); IK5ZPV, the first time heard by ear though seen by Spec
I was interested to see that all the weekend reports up to the time of writing this note concerned 136 kHz. G2AJV wrote: I had hoped that there might have been some activity on 73 kHz. Rugby was off
The first commercial 136kHz transmitter, the Ropex 'First', is reviewed by Dave, G3YXM, in the June edtion of Radio Today which is in the shops now. Copies also available by mail-order, see http://ww
Saturday 15 May Heard G3GRO/P (599); G3KEV (589); GW4ALG (579 in morning, 589 in evening); G4GVC (599); G3XTZ (5 9+10 9); PA0LQ (549). Worked F6CNI for country number 8 (gave 439, got 559). Sunday 16
I notice that the DX Cluster had three 'spots' (stations heard) from RK2FWA, Kaliningrad, last weekend, as follows: 136.6 GW4ALG cq 2330 15 May 137.2 OH1TN cq 2223 15 May 137.1 IK5ZPV cq 2037 15 May
In bench tests it has been claimed that there is no advantage in going for a dot length exceeding 3 or 4 seconds when using QRSS and Spectrogram. During a QRSs QSO this weekend with DJ5BV, local inte
I note that the DX Cluster had several reports from RN2FA this weekend - another Kaliningrad station. He reported hearing UA2FF on 136.7kHz. Looks like at least three stations are operational from th
I'm preferring CU (*SEE* YOU) since that's what has happened or should be... 54°16'N / 10°04'E, JO54ag 73 es gl de Peter, DF3LP Yes, of course. Mike, G3XDV (IO91VT) http://www.dennison.demon.co.uk/a
