Question about Connex Cx-566ssb Night Runner 40ch Cb Radio, Very Loud

1 Answer

Have connex night runner, new k40 plus antenna, mount and wire. only have 1 mile range. could grounding be an issue?

Posted by randy dodd on

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1 Answer

Mike Charette

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  • Connex Master
  • 1,847 Answers

Yes,also SWR may be to high.

Posted on May 18, 2014

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5 Related Answers

One Wire

Dean Pitts

  • 126 Answers

SOURCE: SWR calibration waaay off the chart

You are using an inline swr meter to set your swr right, not looking at the meter on the radio? Here is the process to set swr on an antenna:

You must have an inline swr meter, which can be purchased online or from a truck stop. The ones at truck stops are cheap ones, but will do the trick for the most part.

You connect your antenna 18ft coax to the antenna plug of the swr meter, and a jumper coax (any length) to the transmitter plug of the swr meter and then to the radio.

Close all doors and make sure no one is messing around with the vehicle or antenna. You must be set up as you would normally be transmitting.

Now set your cb radio to channel 40 and your swr meter to fwd. Key up your microphone1.gif and at the same time turn the set knob on the swr meter until the needle is at the line that reads set. Unkey your mic and set the the swr meter to ref. Key up again and note what your reading is. Now leave the swr meter in ref and turn the cb to channel 1. Key up and take your reading. If the reading on ch 1 is higher than ch 40 you must raise the stinger on your antenna. If ch 1 is lower than 40, you lower your stinger. You are trying to get lower than a reading of 3 and as close to 1.5 as possible. If you lower your stinger as far into the antenna as it will go and you need it shorter, you cut the bottom of your stinger no more than 1/2" at a time, and recheck your swr reading after each cut.

Once you have gotten the best reading you can, connect your antenna directly back to the radio.

The setting of your swrs is to make your antenna as efficient as possible, by trying to get it as close as you can to a 50ohm impedance. THE ONLY PART OF YOUR SYSTEM THAT CAN CHANGE YOUR SWR IS YOUR ANTENNA, not your coax and not your radio. Your radio and coax can give you false readings, but only the antenna can actually change the swr.

On the swr meter, the fwd/ref switch stands for forward (power that is being transmitted out) and reflected (power that is reflected back into the radio.

Just for information sake, the swr cal switch on your radio is used to set the meter to reflect the swr that your antenna is set at. The meter on your radio is like a dummy light on your car. ONCE AGAIN, YOU CAN NOT SET YOUR SWR ON YOUR RADIO, only the antenna.

Posted on Jan 23, 2008

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Anonymous

  • 3 Answers

SOURCE: killer radio needs help

I'm not sure if this will solve anything...but here it goes.
1st..Make sure you antenna connections are tight. it sound like it is arcing.
2nd.. make sure you SWR is very low. 1.5 or lower. (very important)
3rd.. make sure the rf power at your radio is turned down to low..over powering (over driving) your amp will fry your finals. (just as important)

If it's not any of these..then I'm not sure.
I have always used an Road King RK56. Not the knock off but the real deal. I would sometimes shock my lips on the metal grille , when I keyed up with my linear on high. I could also power flourescent lights when I got under them..lol and that was with a 250w box and a galaxy 99!

Posted on Jun 14, 2009

Goofguyster

Layne Johnson

  • 379 Answers

SOURCE: poor receive with my Connex 3300 HP radio

get a K-30 antenna ist magnetic if that dont work your speaker in the Cb is broken

Posted on Sep 14, 2009

Anonymous

  • 1 Answer

SOURCE: I have a Connex 4600

Had the same problem. Try backing off the RF gain just a bit (about 4 o'clock ) and set mic gain 2 o'clock or lower ...that worked for mine ..it is still plenty loud

Posted on Feb 10, 2011

palaboy

Rommel Cana

  • 5807 Answers

SOURCE: 1 mile range on cb

Check cables and connectors.

• check antenna SWR,

A good SWR ranges from 1.2 to 1.5.

• check power output.

Posted on Aug 02, 2012

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Tip

Facts about Cb radio.


a Cb(Citizens Band) radio usually only broadcast on frequencies 26.965 to 27.405 megahertz. It is for mostly short range use 3 to 20 miles range. It comes with legal power of 4 watts. Ranges average about 5 miles. Don't expect big results off this little low-power Am transmitter. A basic 40 channel radio, Microphone, and "Magnet Mount" antenna plus 12 volt Dc 5A power supply will suffice. Place the Magnet mount on a metal file cabinet inside your house. hook up the Radio Shack 12 volt 3-5 Amp power supply to your 40 channel radio, Say Uniden pro510xl or Cobra 19 plus mini compact about $39 for these types. A $20 Radio Shack magnet mount. Turn on radio an talk. If you live in the city near lots of friends who have one too. You can talk on a private channel like Ch#40 and talk all night. The waves get quieter at night and extend farther into the Ionesphere;conditions are favorable 8pm to 12am. You should talk loudly within 5-7 miles easy. I like friends nearby; who live within 3 miles of me. Don't expect Long Distance with these radios. Unless you buy a big 1000 Watt Rf Linear an Tower 100 ft. with big Antennas costing $10,000. But remember the FCC will knock on your door and may give you 5 years $10,000 fines for anything of Linear amps 1000Watts. Just stick with basic tune and adjust,power mics(Cobra sells best). Talk with friends about fishing,hunting,gardens,tools,cars,women etc. Have Fun!!!

on Apr 02, 2011 | Cobra 29 LTD CB Radio

1 Answer

What's the best antenna to run? With a 3300 connex


The difference wont be very noticeable. The 2000 or 1000 will do nicely. The specs on gain and field strength are not posted but if you are not using a linear, you dont need the 5000

May 27, 2013 | Radio Communications

1 Answer

1 mile range on cb


Check cables and connectors.

• check antenna SWR,

A good SWR ranges from 1.2 to 1.5.

• check power output.

Jul 27, 2012 | Connex Cx-366ce Night Runner 40ch Cb...

1 Answer

I can't get the swr value close to 1 it's over 3 what am i mising


Several things are working against you.
1 Antenna location= Needs to be in CENTER of car or truck, and high. no grounded metal can be next to the element (the hot/positve part of the antenna)

2 the only way to really ground the antenna is by having a flat metal ground plane under the antenna. DC grounding does NOT do this, that is a misunderstanding.

3 make sure you use a tunable antenna. I have found the wilson's to be very easy to tune and performe very well, for a base loaded antenna.

4 in short a wilson or k40 magnet mount placed on the very top of the roof in the center will have a perfect ground plane. Then shorten or lengthen the steel whip to ajust your SWR's. You will get the best results this way. This is the ONLY way to achevie good performace.

5 I will say this the absoulte best antenna is the 102"steel whip, if you got the clearnce and dont mind it hitting tree limbs put it on a big magnet mount with a spring at the base and youll have a perfect antenna. But the wilson is shorter and easier to tune.

May 15, 2010 | Cobra 29 LTD CB Radio

1 Answer

I have a pickup with a fiberglass bed cover, inside is a Cobra 29. When the k40 antenna is on the bedcover (magnetic mount w/ 6x6 inch metal plate glued to the bedcover) radio will give me an antenna...


Well, the k40 is designed for roof or trunk mount,you would not be getting a good ground,plus you would be getting feed back from cab,no good transmit or receive. Get a good 102" fiberglass or steel whip that's bumper mount,mount it on right rear bumper and you will be good to go.

Mar 28, 2010 | Radio Communications

1 Answer

Its a mk1 148 i have just bought it and need to know how to colour wire a standard k40 mike in as in wich wires where.not much experience.a picture would be helpfull


no need colors. look at the switch and plug to verify them. on 4pin cobras/galaxy/connex radios
pin 1 ground
pin 2 audio
pin 3 TX
pin 4 RX cobras

Dec 09, 2009 | Cobra 148 GTL 120-Channels Base CB Radio

2 Answers

Poor receive with my Connex 3300 HP radio


get a K-30 antenna ist magnetic if that dont work your speaker in the Cb is broken

Nov 18, 2008 | Connex 3300 240-Channels Base CB Radio

1 Answer

Poor TX RX range


Hi,

Since your concern is both on receive and transmit, the common denominator would be the antenna system. The antenna should have a metal mounting to serve as the ground plane. Said mounting/ground plane must be electrically grounded to the rest of the truck. The next area to check would be the PL-259 connector. It should be soldered/connected right with no shorting. Next would be the cable which should be low loss RG-58. Last to check would be the SWR of the antenna. Most mobile antennas could be fine tuned to a specific frequency/channel by adjusting its length. There would possibly be 1 or 2 Allen screws for this purpose. In some cases, it may be necessary to trim off a few mm of the rod.

On your concern re modulation, am afraid that your radio has built-in limiter so as to prevent over modulation and comply with European restrictions. Additionally, the Midland 48 Plus has been programmed to transmit only 1 watt in AM (4 in FM) when the display shows D or D2. Additionally, you might want to consider a power microphone.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

May 31, 2008 | Midland Radio Communications

3 Answers

Connex 4600 turbo export radio


Hi,

On most mobile communications equipment, it is best that:
1. the power leads are directly wired to the battery terminals;
2. the bracket and radio body are grounded to the chassis of the vehicle;
3. a braided grounding strip be used in addition to the negative power lead; and/or
4. a gutter or trunk lip mounted antenna be used rather than magnetic. Antennas are better made of metal rod (not fiberglass) such as those made by Daiwa, Maldol, Oscar, Hokushin and others. The mount itself should use high quality RG58 coaxial cable such as those by Belden and others.

Hope that this be of some help/idea. Pls post back how things turned out or should you need additional information.

Good luck and kind regards.

Dec 31, 2007 | Magnum 257 CB Radio

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