GRID Network and ATOM Ground Station - Running across Europe
2.4GHz is absorbed by water-based things such as foliage and people significantly more than is 800MHz, so I am not particularly surprised...
I seem to get higher values without the dvb-t plugged in that when it is in...
Just as a complete amateur, this may be a stupid question, but would the tv tuner interfere with the ARF at all?
If I knew what this meant: aSSRSSIS-58 aMMRSSIM-54 it would help
Quote from: stephenmelody on October 22, 2015, 12:04:32 amI seem to get higher values without the dvb-t plugged in that when it is in...That sounds like it might be a power supply problem. The DVB dongle is quite a greedy beast, which is why it gets so hot.
Quote from: stephenmelody on October 22, 2015, 12:04:32 amIf I knew what this meant: aSSRSSIS-58 aMMRSSIM-54 it would helpThe -58 and -54 are the received signal strength at the slave and master respectively (I think that's the right way round). I believe that the figures should be in the low -twenties, for stations 30m apart, but I could be mistaken. Presumably your stations were separated by building structure at -58 db(i?) ?
To avoid misunderstanding, more positive numbers are better. So -20 is better than -58. Lee, please could we have some advice as to which way round the master/slave figures are, and what to expect at a given distance, say 30 foot?
Quote from: The Westmorland Flyer on October 22, 2015, 09:07:35 amQuote from: stephenmelody on October 22, 2015, 12:04:32 amI seem to get higher values without the dvb-t plugged in that when it is in...That sounds like it might be a power supply problem. The DVB dongle is quite a greedy beast, which is why it gets so hot.The ARF is powered by the 3.3v regulator, which has a fair bit of headroom, so supply problems shouldn't be an issue. I have never seen the 3.3v supply at anything less than 3.25
It won't be a question of voltage headroom but the ability to supply all the current your entire set-up requires.