21-05-2018, 03:47
Hi
Its ratio between the packets effectively received and decoded versus the total packets sent by the receiver on the last hour.
No, you don't need to reset the receiver, by the contrary, the longer it is receiving data the more reliable is the RF Efficiency value. After a reset the RF Efficiency starts almost at zero and will constantly increase during the first hour, because the number of packets received is small compared to the number of packets sent by the transmitter on the last hour.
No, these radio don't provide signal strength indicator, but there is simple trick which allow to fine tune reception / transmission.
Enable the relay data function, this will make that the TX led will blink each time the receiver gets and decodes a data packet.
No, these radio don't provide signal strength indicator, but there is simple trick which allow to fine tune reception / transmission.
Enable the relay data function, this will make that the TX led will blink each time the receiver gets and decodes a data packet.
Since you know that wind data packets ae sent every 3 seconds, the TX led on the receiver should blink more or less at the same frequency. Now its just a matter of playing with the position of the antennas (first starts with receiver) trying vertical or horizontal position, to get a blinking rate around 3 seconds.
This accident may have shown something I tried to say on the previous post. Having the transmitter antenna in vertical position not always ensures the best results, sometimes it works better in horizontal position (per example, in my location, having the TX antennas in horizontal position works always better than in vertical).
On the TX, try connect the antenna directly to the SMA connector.
You may would like to also read topic: Looking for best Antenna model & your opinion on exotic designs
Quote:I assume the RF efficiency is a ratio of packets successfully received, versus total packets detected ?
Its ratio between the packets effectively received and decoded versus the total packets sent by the receiver on the last hour.
Quote:and it needs to run for at least hour for the measure to be useful ? Is it a rolling average - can you confirm over what time ? or do I need to reset the unit for each test.
No, you don't need to reset the receiver, by the contrary, the longer it is receiving data the more reliable is the RF Efficiency value. After a reset the RF Efficiency starts almost at zero and will constantly increase during the first hour, because the number of packets received is small compared to the number of packets sent by the transmitter on the last hour.
Quote:Is there some sort of signal strength indicator - is that what the 3 dots on the front of the touchscreen are ? is it possible to get a signal strength from somewhere ?
No, these radio don't provide signal strength indicator, but there is simple trick which allow to fine tune reception / transmission.
Enable the relay data function, this will make that the TX led will blink each time the receiver gets and decodes a data packet.
No, these radio don't provide signal strength indicator, but there is simple trick which allow to fine tune reception / transmission.
Enable the relay data function, this will make that the TX led will blink each time the receiver gets and decodes a data packet.
Since you know that wind data packets ae sent every 3 seconds, the TX led on the receiver should blink more or less at the same frequency. Now its just a matter of playing with the position of the antennas (first starts with receiver) trying vertical or horizontal position, to get a blinking rate around 3 seconds.
Quote:so I corrected that but unfortunately the RF efficiency dropped to 16% Huh There's a lot of things I can try to improve.
This accident may have shown something I tried to say on the previous post. Having the transmitter antenna in vertical position not always ensures the best results, sometimes it works better in horizontal position (per example, in my location, having the TX antennas in horizontal position works always better than in vertical).
On the TX, try connect the antenna directly to the SMA connector.
You may would like to also read topic: Looking for best Antenna model & your opinion on exotic designs