lkpbuyers.blogg.se

Cre 8900 cooling mod
Cre 8900 cooling mod













cre 8900 cooling mod

Program for the next few days is to check the antennas together, change the balun of the lfa and remove the tet so the lfa is on its own.

cre 8900 cooling mod

I can’t say it is any quieter that the TET at this stage because I am not really noticing much difference noise wise. Every test so far has had the lfa ahead by at least a couple of S points. Both antenna are fed with the same type of balun and I think we may need to change the balun on the lfa to a coaxial cable air wound type or a 1:1 current type which we have on hand. (we know how the tet was doing on its own) We may see an increase in bandwidth.

cre 8900 cooling mod

We will need to remove the tet and see how the lfa does on its own swr wise. Both antennas are experiencing interaction and the swr on the tet has increased markedly since the lfa went up under it. TET Emtron holds the bandwidth over 4mhz under 2:1. Results so far show the LFA to have about 2 S points over the TET…BUT…the LFA has a very sharp bandwidth…about a mhz max.move out of that and things go downhill quickly. LFA is longer with 5 elements loop driven on 8m boom. TET has dual driven elements on a 6 meter boom. 6 el TET emtron at 38m and 5 el LFA at 32.5m on tower















Cre 8900 cooling mod