• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • Retevis is giving away Radios for the New Year and Every Member is Eligible. Click Here to see the details!

Intro, SSB Question

nitro_rat

Member
May 13, 2012
1
0
11
Hi all. I'm a long haul flatbed driver with about 7 years on the road. I have had CBs all my life, but beyond basic SWR set up and such, I am kind of a newbie. I do have some soldering experience and can make my own coax leads, and have even done a little circuit board soldering. My only radio experience has been with Cobra 29's and an old midland unit my dad had when I was a kid.

I am tired of being screwed by "techs" at truck stops. I do know one I trust (lots of people think he's an a-hole, but he knows his stuff) but it's hard to get by there. I just got a new Galaxy DX959, and am trying to get familiar with all the functions. I have a Radio Shack 21-534 SWR/power meter and have set up my Wilson 2000 Trucker antenna.

My SWR is 1.15 on 1, barely bumps the meter on 20, and is 1.1 on 40. I have the antenna mouted on a Wilson mirror mount with the black base, and have a ground wire run to the mount from the battery (just as close as the frame, and easier). I also bypassed the Peterbilt factory coax and ran my own.

I have an Astatic 636L mike, and an Astatic external speaker also. I did not take the Galaxy mike out of the box yet. I have the power wires run to the factory Peterbilt studs on the overhead panel.

I do have a very slight whine (alternator?) through the external speaker, but it is nowhere near as bad as it was with my 29. I can only hear it while parked if I rev the engine, and only slightly then.

I understand that the output of this radio should be 4 watts max on AM, and 14 on SSB. On my meter, I am showing about a 3 watt dead key on AM, and 40 watts on SSB. Is this normal? I have seen some videos about the internal power adjustments on this radio. If I "tune it up" myself, will any frequency or other adjustments be nessecary?

Also when I first key up, the modulation pegs the meter (sometimes with a little squeal), then drops back to 40-60%. Is this normal, and how is it adjusted?

I'm sure I'll have some more questions, and I apologize for the book. I just want everyone to be familiar with the details of my setup. If I've missed anything, let me know!
 
Last edited:

Two different types of the 959's.. Newer ones have mosfet finals and if you are seeing 40 watts on SSB you may have a mosfet final.

the stock mic works pretty well on those radios.

From what you posted the antenna system seems to be tuned good.

Welcome to the forum and hopefully someone will reply that knows about the mosfet finals. I have the older version of the 959 and works great.
 
Tuning up a radio internals should be done if you have the equipment and the experience. If you don't have either; then take it to a tech.

The squeal could be caused by the talkback. Turn it down or turn it off. If it is still squealing; then this might be an RF feedback loop. Not likely; but possible . . .
 
Hello Driver, Welcome to this Forum. The Wilson are good antennas for straight 40 channel operation, I'm not sure where you Deliver, So here goes. Off The Penn.Pike at Carlisle exit is DTB Radios=One of the best
Bob's Cb Shop off of I-80 Exit 70 in Penn. St.
The Radio Shop Chris Holland Onterio Ca. (909) 390-5056
I would send you to my Tech I-44 Exit 61 Missouri Wed.-Sat. 1;00pm-7:00pm

I'm going on 37yrs OTR. Truckem Safe Driver.
 

dxChat
Help Users
  • No one is chatting at the moment.