Hi, Giulio and Group. Hi Alex and all, soon i'll measure exactly the antenna current, but one things that appear in this discussion, is that the antenna work very well, it is only a single wire 60 me
Hi Alex and all, soon i'll measure exactly the antenna current, but one things that appear in this discussion, is that the antenna work very well, it is only a single wire 60 meters long about 1 mete
Hi, Group I wonder why my message on RX3QFM does not go to a Group? Two times I try to send and there is no echo for a long time... But another MSG go sucsesfully. I'll try ones more... I have notice
Hi, Rik and Group. Antenna current = 1.8A Theory : radiated power = 0.06*1.8^2 = 194mW EMRP (= 583mW EIRP or 355mW ERP) Reality : about 35mW ERP (based on field strength measurement) Difference : -10
ERP is mainly determed by antenna current and efffective height. If this is known then it is very simple to estimate radiated power. Certanly this is very aproximative estimation. But something is be
Hi, David and Group. My conclusion: The original estimate is too high and my estimate is probably too low and the only sure way is to spend some time measuring. Your conclusion may be right. But I sa
In a message dated 9/19/02 6:57:02 AM GMT Daylight Time, [email protected] writes: For ERP calculation antenna curent is needed. I think Your curent is about 1 A (if loss resistanse is 40 Ohm). And
Hi, Giulio and Group I have made some comparisasion tests on my RX antennas at the beacon lower power level, the winner is again the AMRAD E field antenna, with many db of better S/N then my ferrite
Hi to all, yesterday i have retuned the beacon at exatly 135,710 KHZ, with a new xtal divided 81 times, so i think now it will be very stable! I have made some comparisasion tests on my RX antennas a
