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You probably meant amperes or amps in the part of your quote I underlined and bolded. For my 100 watt amateur radio transmitter I have a 30 amp 13.8vdc power supply. At full power the current is around 23 amps I think. For a 50 watt transmitter you probably need at least a 15-25 amp power supply just so you’re not running the power supply at full power output. Watts out can never exceed watts in. A car’s electrical system puts out 13.8 volts when the car is running in order to charge the battery. When the car is turned off the voltage of the battery drops down to somewhere around 12.7 or 12.8 volts DC. I routinely charge several sealed lead acid batteries and they are all very close to 12.7 or 12.8 volts when I need to use them (charged and sitting around for a few weeks on a shelf). You may not get 100% of the power from your mobile radio when it’s strictly on battery, but you probably will never know the difference. As far as wattage, it depends on the capacity of the battery, but nearly any of them will put out many amps of current. 8 amps at 12 volts is nearly 100 watts, . You only need that while transmitting. Receiving takes much less power.

I don't know about you, but I can't remember my new call sign without looking. The times I thought I remembered it, I butchered it. So, I got a desk plaque that has the call sign and if I mount my mobile in the car, I'll get a smaller one for the car. I suppose I would remember it if I used it daily, but I don't.

I just added it to the screen text on my Radio. In the programming software you can modify just about everything displayed on the screen. Radio: Wouxun KG-935G

I appreciate the additional technical details. The OPs question was answered with a single paragraph in the first reply, so it's not like he was left hanging or had to wade through pages of technical content. I get the "some people" stuff, but this doesn't seem to be the case here. Edited to add: I don't want to come off as argumentative with my first post on this board. You're the reason I got into GMRS and I really appreciate your videos. Keep it up!

Actually, you cannot both measure time and know exactly where you are in time. In fact, the more precise your measurement of time is, the more unlikely you are to know exactly what time it is. You can either know what time it was... or experience time in the moment... but you can't do both.

Radios that are set to output 50w are designed to do so when supplied with 13.6 or 13.8v, and at that voltage might draw 13A while transmitting. When the vehicle is shut off, the battery is going to supply closer to 12.6v when fully charged, and at that voltage, the radio will draw fewer amps; maybe 10-12A. And that means you will probably be transmitting at a little under 50w. You would have to measure to find out more precisely. The FCC won't approve a GMRS radio manufactured with the capability to transmit more than 50w at 13.8v. That means manufacturers aren't going to risk producing one that outputs 50w at 12.6v, because it might exceed the FCC limit when being run in a vehicle with an alternator putting out 13.8v. That means, if you want full power output from your radio, it needs to have a power supply that produces the correct voltage, and that can meet the amperage needs of the radio. For your 50W radio, you would want a power supply that can produce that full 13.8v, AND that can provide 15A current (which is probably what the radio is fused at).

I guess the question is do you want a repeater that works or one that you can talk a mile from home with. That's the cost factor. All of my repeaters have at least $5000 into at minimum for hardline, antenna and repeater. All have 30-40 mile range. Can you do it cheaper yes but dont expect to talk all over with it. A good DB404 antenna will be $500 alone. Even my home GR500 (2 GM300 mobiles, rck and duplexer) was about $300 used. Thats a solid little repeater but then add the DB404 and 25' of 1/2" hardline, polyphasers and tripod mount on my roof and im well over $1500 and I can only get about 3 miles from home. Granted I'm not on a hill and the only reason for the one at home is to talk to my farm stuff.

I will let @marcspazpost his results.. @WROZ250 I will concede that with my IP address IF someone successfully hacks into my ISP and IF my dynamic IP has not changed between the time the hack occurred and when someone is reviewing the info, then yes, it is possible to get someone's information.. The chances of that happening in reality for someone targeting you is slim, and there are much easier ways to get info on people. Pretty sure I didnt use the word bullshit - i was just pointing out that the words you posted for us to all read, were incorrect, or at a minimum, way, oversimplified, as stated.

Great, thanks. Now I bought one too! ?

I blame you. It should arrive today. ?

CH. 2 is shared with FRS, and is perfectly ok for business use.

Many business use FRS radios that now share the same exact frequencies for simplex as GMRS. It’s legal for them to use FRS for business purposes. What you are most likely hearing are FRS radios.