Power loss from TX INSIDE a ROOM?
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| Oct 3rd 2018, 16:37 | |
K6PAATotal Topics: 0 Total Posts: 0 |
Does anyone have any ideas about how much power you would tend to loose (in general) with, say, a 15 ft MFJ “HamStick” Dipole (ie now Hamtenna”) on a tripod in an upstairs ROOM vs just having the same antenna/tripod OUTSIDE in a field? Any thoughts appreciated! Peter A, K6PAA |
| Oct 16th 2018, 11:00 | |
AI4BJTotal Topics: 0 Total Posts: 0 |
Difficult to predict exactly -- a lot would depend on the building construction. SSB contacts may be difficult but you should have no trouble making CW and digital contacts. Many hams in your situation prefer to use a loop antenna -- just a wire running around the edge of the ceiling, fed in one corner with window line or open-wire feedline. This would almost certainly require an antenna tuner, but the antenna could be used on multiple bands. 73, Mark AI4BJ |
| Oct 17th 2018, 19:56 | |
K6PAATotal Topics: 0 Total Posts: 0 |
Hi Mark- That is VERY helpful, and it is VERY MUCH appreciated!!! 73, Peter K6PAA |
| Oct 18th 2018, 17:23 | |
WA0CBWTotal Topics: 0 Total Posts: 0 |
There are web sites that can give you the approximate RF attenuation for various building materials and construction techniques. Bill |
| Oct 24th 2018, 18:36 | |
K6PAATotal Topics: 0 Total Posts: 0 |
Hi Bill, Sounds like a good idea! I will check it out! TNX, Peter K6PAA |
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