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Author Topic: CB radio question  (Read 1418 times)

Offline rpm

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CB radio question
« Reply #30 on: September 23, 2007, 10:24:16 AM »
Quote
Originally posted by Curval
That's a big 10-4 good buddy.
Make sure you say that on air.... a lot.:rofl
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Offline JB88

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« Reply #31 on: September 23, 2007, 10:32:36 AM »
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Offline Sox62

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« Reply #32 on: September 23, 2007, 11:50:06 AM »
When I was a kid,everybody had one.

There was a guy across the valley I hated.He had a 5-element beam,and was running a linear amp with insane amounts of power.When he came on to talk skip,he'd point that thing directly west right over my house and would splatter over every channel.
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Offline xlotusx

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« Reply #33 on: September 23, 2007, 12:21:25 PM »
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Originally posted by JB88
break 1-9, this is rubber duck and i'm about to put the hammer down...


Mercy sake's alive it looks like we got us a convoy.
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Offline AKIron

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« Reply #34 on: September 23, 2007, 01:02:22 PM »
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Originally posted by Hornet33
Yep and I learned it as Sine wave ratio at Electronic Technician school back in 1994. Same thing......tomato tamato whatever:rofl


I bet you didn't have to learn the vacuum tube stuff. My first electronics school was about 20 years before '94 when digital was up and coming but tubes were still the military mainstay. I still fondly remember the daily "tune-ups" of the tube based AN/FPN-47 ASR. VSWR was one of the daily checks.
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Offline rpm

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« Reply #35 on: September 23, 2007, 04:33:16 PM »
Grids, plates, filaments. Ah, the good 'ol days when you could cook dinner over the tubes while DXing.

68ROX, you paint a scary picture. Too bad the FCC does'nt live up to that. There are at least 1000 trucks in my county alone running linears. Can't remember the last time anyone was busted by Uncle Charlie. If you want to buy a linear amplifier I can take you to the CB shop next to the police station. They have a huge selection. But you're right it is illegal.
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Offline Hornet33

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« Reply #36 on: September 23, 2007, 04:57:13 PM »
Quote
Originally posted by AKIron
I bet you didn't have to learn the vacuum tube stuff. My first electronics school was about 20 years before '94 when digital was up and coming but tubes were still the military mainstay. I still fondly remember the daily "tune-ups" of the tube based AN/FPN-47 ASR. VSWR was one of the daily checks.


I got to mess around with some tube theory at school. We had to learn the whole de-con procedures for breaking one. My first unit we had to deal with some of the old LORAN tubes. Those suckers were HUGE!!!!! 4ft tall tube that weigh around 100lbs. I also worked on the AN/SPS-64 Radar system and that had a nice sized mod tube in the MTR.
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Offline eagl

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« Reply #37 on: September 23, 2007, 05:00:24 PM »
Good luck trying to use FRS or CB near the Mexico border...  Many Mexican groups set up their family chat lines with poorly tuned high powered transmitters, so you get 40 CB plus most of the FRS channels jammed with Mexican chatter from the border up past LA.  Growing up in San Diego about 20 years, on a good night there might be 4 usable channels that weren't saturated with Mexican chat.  Putting a mountain between us and the border helped but it sort of limited the usefulness of the radio.

San Diego is the worst I've heard for that though.  Most other places it's not so bad.
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Offline rpm

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« Reply #38 on: September 23, 2007, 05:05:21 PM »
Ever been to DelRio or Laredo?
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Offline AKIron

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« Reply #39 on: September 23, 2007, 05:26:00 PM »
Quote
Originally posted by Hornet33
I got to mess around with some tube theory at school. We had to learn the whole de-con procedures for breaking one. My first unit we had to deal with some of the old LORAN tubes. Those suckers were HUGE!!!!! 4ft tall tube that weigh around 100lbs. I also worked on the AN/SPS-64 Radar system and that had a nice sized mod tube in the MTR.


I forgot about the transmitter. Even the newish computerized ASR-9 has a klystron. At 75KV it's shielded for x-rays.
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Offline eagl

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« Reply #40 on: September 23, 2007, 05:36:37 PM »
I went to UPT in Del Rio.  The volume of CB radio traffic there was nothing compared to San Diego.  The population within 50-100 miles of Del Rio is a mere fraction of that around San Diego.
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Offline rpm

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« Reply #41 on: September 23, 2007, 05:41:16 PM »
The last time I was down there you had to have 1kw to talk across the parking lot.
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Offline 68ROX

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« Reply #42 on: September 24, 2007, 09:57:41 AM »
Quote
Originally posted by rpm
Grids, plates, filaments. Ah, the good 'ol days when you could cook dinner over the tubes while DXing.

68ROX, you paint a scary picture. Too bad the FCC does'nt live up to that. There are at least 1000 trucks in my county alone running linears. Can't remember the last time anyone was busted by Uncle Charlie. If you want to buy a linear amplifier I can take you to the CB shop next to the police station. They have a huge selection. But you're right it is illegal.



Check out all the fines......HERE:


Busted Radio Op's


More Busted Radio Op's

Note the number of NOAL's to trucking companies.



68ROX
« Last Edit: September 24, 2007, 10:03:04 AM by 68ROX »
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Offline AquaShrimp

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« Reply #43 on: September 24, 2007, 10:30:38 AM »
Seeing as how I've used CB radios for years, and I'm also a licensed ham radio operator (KE4TMG), let me give you this advice.  The antenna is the most important part.  With cb radio, the larger the antenna, the better.  It will increase your broadcast radius, other stations will hear you better, and you will hear them better.
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Offline Shuffler

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« Reply #44 on: September 24, 2007, 12:47:19 PM »
SWR was my call too.... makes a huge difference
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