Sunday, February 1, 2009

Hams and Eggs Breakfast


THE NEXT BREAKFAST:

Saturday, December 5th
Broken Arrow Amateur Radio Breakfast
"Hams and Eggs"


Golden Corral
9711 East 71st Street

71st & Mingo, Northeast corner
8:00 a.m.

3 comments:

Ray said...
This comment has been removed by a blog administrator.
Gene (AE5FT) said...

Ray, sorry I missed the Tech Net, and you may have your answers already. Just in case you didn't get what you were after, here's my take on your swr meter:
1. The SWR reading is where the needles cross.
2. The forward power is the amount of RF measured going to the antenna.
3. The reflected power is the amount of RF being sent back toward the meter - reflected.
4. Set the forward power as high as you can get it and the reflected power as low as you can get it. Normally, what increases forward power reduces the reflected power, so the needles should work together to achieve this. When reflected power is at "zero" the forward power should be your xmtr power.
5. I don't have an amp, but I never tune my xmtr at full power (100 watts). My suggestion would be to tune at low power (25 watts maybe) then retest at 100 watts. After that you can safely bring your amp into the mix.
6. Make some notes of the settings needed on your favorite frequencies and you can dial right in. With some experience, you will be able to tune up without a big hassle.

73, Gene(AE5FT)

Tulsa Tech Net honcho said...

hello ,i have a question for the net.
this question my sound a little dumb for some but im a little confused about this new tunner/watt/swr meter. my main question is-what is the difference between forward and reflected power. also the manual leads me to beleave that the swr reading is at the point where the needles cross, is this correct ?.
when trying to tune the amp for a power setting wich needle should i be watching, i beleave it to be the foward power.
to tune properly should the needles be crossed evenly or should i set the forward power needle as high as i can with the reflected needle as low as i can get it ?. or cross evenly ?.
im using a icom 706 mk II g with a ameritron a11 amp and a mfj 949e tuner. could someone tell me how to adjust this tuner for max performance and not over heat and damage my amp. thanks to anyone that can help me out with the right answer.

Anonymous Comment left via blog captain. Original comment left on February 6, 2009