axorlov

Lolwhut? No, I'm not. S-meter calibration is different for HF and VHF. On HF frequencies S1 is 0.2uV, S2 is 0.4uV, S3 is 0.79uV and so on. On VHF it is 0.02uV, 0.04uV, 0.08uV... Why the 10x difference? Because it's not about microvolts at all.
Strength scale (the "S" in the RST):
Faint—signals barely perceptible Very weak signals Weak signals Fair signals Fairly good signals Good signals Moderately strong signals Strong signals Extremely strong signals Where are the microvolts? It is all about acoustics.

Emails: Yes, look up Winlink.
File transfer: Yes, via aforementioned Winlink. There are other ways much less robust and reliable. On HF is limited by 300 baud by government decree. Much faster on VHF/UHF.
GPS: Yes, there is a system called APRS, allowing tracking, weather reports and short message exchange. It even allows text exchange between cell phone and APRS-enabled radio. Not very reliable, but works. Depends on the infrastructure: the whole bunch of things called "digipeaters". They are deployed in populated areas, where you normally have cell connection. However, where I live, we often have digipeaters available where there is no cell service. I'm an active user of APRS, but it has it's serious limitations.
Video: It is not going to be 1080p x 60fps because there are some laws of physics that limit the bandwidth. Look up Slow Scan TV. Resolution is ridiculous, frame rate is laughable. But yes.

Explanation is clear. ChatGPT was never born out of woman's womb. It never was raised by a human family, acquiring a life experience as it grows. It never was sitting next to its grampa on a couch begging money for an ice cream when 6yo. It never went to school, never worked in a fast food joint or coffee shop, never volunteered for cleaning local creek or cleaning local streets. It was never a member of a local gang either. It never was a hand to an experienced machinist or chef or painter, a creator of things to use or admire by others. It was never bitten by mosquitos in the warm night, never slept in a flooded tent in a cold night, never had a perfect morning (or afternoon) lying next to someone. Never lost a significant one to anything, and never even had a significant one.
It's Large Language Model is trained on the internet, on the post like yours, mine, and from a certain someone. What else can one possibly expect?

Spurious emissions are like farting on the airplane: benign to you but a discomfort for the neighbors. Studies aren't needed. Keying your Baofeng will not bring Airbus or Boeing or Embraer down, it will simply stink up the joint.

This is what you want:

In this case it is possible to use four chargers, but with the load off, because the output will be higher than 48V with the chargers ON.
 
 

How the batteries connected is not a series connection, it is an explosion device. Where "48VDC" is written will in fact show 12V for a very brief period. Every battery is shorted via the other battery in the pair, current will be high and will destroy the batteries in a matter of seconds.

The emissions around 450-470 MHz will directly mess with the receiver (if talking about GMRS). They will be making Signal-to-Noise ratio worse. The higher frequency emissions, when strong enough, may have an effect on internal electronics of the radio. The lower frequency emissions unlikely to cause problems, but there are cases when they have an effect because close enough to intermediate frequency or any harmonic of it. Radios are constructed to be protected from the off-band interference, but if signal is strong enough, or/and radio is cheap enough, you will have an adverse effect. Biggest problem is always the in-band interference, 450-470 MHz for the GMRS.

The emissions around 450-470 MHz will directly mess with the receiver (if talking about GMRS). They will be making Signal-to-Noise ratio worse. The higher frequency emissions, when strong enough, may have an effect on internal electronics of the radio. The lower frequency emissions unlikely to cause problems, but there are cases when they have an effect because close enough to intermediate frequency or any harmonic of it. Radios are constructed to be protected from the off-band interference, but if signal is strong enough, or/and radio is cheap enough, you will have an adverse effect. Biggest problem is always the in-band interference, 450-470 MHz for the GMRS.

The so-called "privacy channels" are just CTCSS/DCS tones being transmitted. Tune to the frequency (channel 7), remove all tones on receive, and you will hear everything being transmitted on this channel. There is no privacy in "privacy tones".
In order to transmit with the correct tone, to be heard on this "7.11 channel", you need to find out what CTCSS or DCS tone is used by this FRS radio. Find out what tone corresponds to ".11". The mapping table should be somewhere in the manual for the FRS radio.
And the term sideband has a meaning that has nothing to do with tones or channels. It's not applicable to the situation we are talking about.

The so-called "privacy channels" are just CTCSS/DCS tones being transmitted. Tune to the frequency (channel 7), remove all tones on receive, and you will hear everything being transmitted on this channel. There is no privacy in "privacy tones".
In order to transmit with the correct tone, to be heard on this "7.11 channel", you need to find out what CTCSS or DCS tone is used by this FRS radio. Find out what tone corresponds to ".11". The mapping table should be somewhere in the manual for the FRS radio.
And the term sideband has a meaning that has nothing to do with tones or channels. It's not applicable to the situation we are talking about.

The so-called "privacy channels" are just CTCSS/DCS tones being transmitted. Tune to the frequency (channel 7), remove all tones on receive, and you will hear everything being transmitted on this channel. There is no privacy in "privacy tones".
In order to transmit with the correct tone, to be heard on this "7.11 channel", you need to find out what CTCSS or DCS tone is used by this FRS radio. Find out what tone corresponds to ".11". The mapping table should be somewhere in the manual for the FRS radio.
And the term sideband has a meaning that has nothing to do with tones or channels. It's not applicable to the situation we are talking about.

SMD components are fine. I used to be able to solder them without any aids, just with my sharp eye and a steady hand. Basically, the same things and skills you use on ladies to get a score. But now, in my advancing age, I need a good loupe or microscope, and have to rest my elbow on a sturdy surface. Works for me for now, both with PCBs and ladies. 
Surface mounts are not what is holding the youth to join. If anything is holding them.

SMD components are fine. I used to be able to solder them without any aids, just with my sharp eye and a steady hand. Basically, the same things and skills you use on ladies to get a score. But now, in my advancing age, I need a good loupe or microscope, and have to rest my elbow on a sturdy surface. Works for me for now, both with PCBs and ladies. 
Surface mounts are not what is holding the youth to join. If anything is holding them.

Don't get mad, life is too short for a petty things like that. Other than that, marcspaz covered the issue, it seems^^^^^

Don't get mad, life is too short for a petty things like that. Other than that, marcspaz covered the issue, it seems^^^^^

Repeater users rarely can hear local traffic on simplex. Only when simplex stations are close to the said repeater user. That kind of interference from the repeater is a fact of life and unavoidable. Move to another freq if you are on simplex.

Repeater users rarely can hear local traffic on simplex. Only when simplex stations are close to the said repeater user. That kind of interference from the repeater is a fact of life and unavoidable. Move to another freq if you are on simplex.

Looks good! Yaesu, or clone? Wiring to factory speakers is great, aux underseat speakers don't do much. And I also like your manual gearbox, not many people these days "row their own".

462.xxx5 (channels 1-7) are repeater-free. Perfectly adequate for local traffic between HTs or between HT and mobile. Local traffic between mobiles on 462.xxx0 at full power has a good chance to overpower repeater interference. The opposite happens only when mobiles are far and repeater is close. In this case use reserve frequency, according to your communication plan.

Looks good! Yaesu, or clone? Wiring to factory speakers is great, aux underseat speakers don't do much. And I also like your manual gearbox, not many people these days "row their own".

462.xxx5 (channels 1-7) are repeater-free. Perfectly adequate for local traffic between HTs or between HT and mobile. Local traffic between mobiles on 462.xxx0 at full power has a good chance to overpower repeater interference. The opposite happens only when mobiles are far and repeater is close. In this case use reserve frequency, according to your communication plan.

462.xxx5 (channels 1-7) are repeater-free. Perfectly adequate for local traffic between HTs or between HT and mobile. Local traffic between mobiles on 462.xxx0 at full power has a good chance to overpower repeater interference. The opposite happens only when mobiles are far and repeater is close. In this case use reserve frequency, according to your communication plan.

462.xxx5 (channels 1-7) are repeater-free. Perfectly adequate for local traffic between HTs or between HT and mobile. Local traffic between mobiles on 462.xxx0 at full power has a good chance to overpower repeater interference. The opposite happens only when mobiles are far and repeater is close. In this case use reserve frequency, according to your communication plan.

It's a free country. If you don't want to listen to linked repeaters, then you do not. If you want to listen to rag chews and join in, then you do. Ride your own bike and let others decide what do they want.
 

I used Argent Data SR-1 for many years with great results. Even without high mast, just plugged into a mobile radio with 5/8 antenna on a flat roof of SUV it extends the range of HTs by many-folds. I have it programmed to only repeat when DTMF "0" is sent, to keep annoyance factor to minimum. There are several threads here where we discussed simplex repeaters.