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General CB Radio Advice and Troubleshooting

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unclejessie123
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hi, can anyone explain why or what 10meter/11 meter is, when you buy a superstar 3900 for instance[like i just have!!] on the advert it said 10 meter tranciever but later on said that it covered 25.6-28.3 mhz so what is the relationship between meters and hertz?? the seller also said that to "get" the full channels i have to pull the swr/cal switch out does this mean that it came like this-he said it was an export model with 240 channels so what would it cover if the switch was left in, did i buy a dud??!!

thanks, unclejessie.
fatfinger
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with the switch left in it will only cover cept uk legal 40 channels
when you pull the switch out it opens all the modes and channels up
you need a frequency counter with this radio if your new to all this or you will
find it hard to find the correct channel frequency

channel 19 uk fm is channel 33 not channel 19 like you would think
you will not no with out a frequency counter

once you get your head round it you will love this radio
the superstar 3900 is a fantastic radio for dx work
fatfinger
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ps

look on ***** for a counter you will find one new for £35
unclejessie123
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thanks for the encouragement! i have got the plug in frquency counter and a anstatic mike?[any good?], (other company)/and others can do a mod so uk 27/81 fm are there at the flick of a switch so thats what i will do saves all that messing about with frequency charts doesnt it? next question is about aerials, i am mounting on a pick up truck roof as a permanant fixing "hard wired in" do you reccomend anything, i want to easily remove when parked ect and dont want to let rain in the remaining bit, also at certain times about 200ssb/MAY be going through it, not offroading just motorways etc plus top of our local hill!. also does ssb cous interference with tv/radio/mobiles etc etc if so can it be effectively filtered using an in line filter? SORRY for all these questions but i am as keen as mustard! mid life crises harping back to 1978-80 with my 148gtldx thanks unclejessie.
fatfinger
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mobile antenna use the one and only
http://www.thunderpole.co.uk/wilson_1000_mag.htm


anstatic mike
the best mike you can buy work so well on the superstar

200 whiskeys will cause interference but if your mobile who cares
no will track you
you can get a eprom mod done on the radio for the uk 40 correct channel numbers

you soon get used to it so y bother
unclejessie123
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any chance of explaining this 10metre/11 metre thing??
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stampman
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basicly 10 meters is the length of an antenna that is the most efficent for broad casting the power on the frequancy ie 144.5000megs broadcasts transmitts into a 2 meter long antenna which is why radio hams call it 2 meters hope this helps


:D :D :D :D :D :D :D
if it anit broke dont fix it
tobyw7
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Just to add :





10m is only allowed to be used by Amateur Radio Operators. You need a license to operate on these frequencies.

If you need any more help just ask and I'm sure someone will be able to answer your questions.

-- Toby.
>> 26-Tango Mike-129 : http://www.tangomike.net
>> 26-Foxtrot Bravo-132 : http://www.foxtrotbravo.co.uk
extremedave
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so does this radio cover all the uk 40 channels? but the channels have different numbers? i need a rig for the uk channels but would love to see if there is anyone out there on ssb
Stapler
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It will cover all uk frequencies but split into 2 bands, High band (E) from channel 16 on the readout would be channel 1 uk40 but you also have to have the coarse pointed at roughly quarter too position, 33 would be 19 40 would be channel 26, only thing is because its an export radio the channels dont fall one after the other which makes it a bit tricky.

Channel 16 = 1
Channel 17 = 2
Channel 18 = 3
Channel 19 = 4
Switch +10kc up for Channel 5
Channel 20 = 6
Channel 21 = 7
Channel 22 = 8
Channel 23 = 11
Channel 24 = 9
Channel 25 = 10
Channel 26 = 12
Channel 27 = 13
Channel 28 = 14
Channel 29 = 15
Channel 30 = 16
Channel 31 = 17
Channel 32 = 18
Channel 33 = 19
Channel 34 = 20
Channel 35 = 21
Channel 36 = 22
Channel 37 = 23
Channel 38 = 24
Channel 39 = 25
Channel 40 = 26
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