SteveShannon

Then contact someone with a tower (ham radio club possibly) and ask for a price to place your antenna on their tower and your repeater in their building.

If the area is already saturated with repeaters, how do you plan to avoid causing interference by adding another?

Mount it to the metal roof of the truck instead of the composite roof of the topper. The radiating element will stick up above the roof rack.

The 2x4 antenna you already have is one of the best for multiple bands. Try it on GMRS.

He drives down the road operating at speeds up to 75 mph. The limiting factor is the capacitor hat on the ATAS mounted on the rear hitch. There are several videos featuring his VW GTI. His YouTube channel is called StealthGTI. Here’s the video where took the screenshot:

This would do it.

I think most people who use GMRS do so using GMRS radios. They are people who simply buy GMRS radios to use while doing other activities. I also think that a significant number of the members of this forum do not use GMRS radios, because they are the more like GMRS radio hobbyists.They are the people who learn enough about the radios to repurpose other radios. This forum’s membership is not at all indicative of most GMRS users. We are the users who talk about GMRS even when we’re not using GMRS.

I suspect Rich gets very little from advertising, but if you become a premium member, that's $50 that goes directly to benefit Rich and allow him to keep this place going. Plus, premium members don't see any advertising and never run out of reactions.

That sounds correct. Only channel 43 allows you to change modes. Channels 39-42 each display something else. Here’s what I found: “Test mode enabled by pwr down, hold func+F4 and power up/Enables CH39 to 43 to be selected. ON 43 hold ptt in and can then rotate selection knob to change the mode ie broadband TX all vhf and uhf frequencies. Release ptt to save. Power down and back on, radio comes on in new mode. also CH-39-42 is selectable shows 39= RF FW version 1.10, 40 = CPU V1.11, 41 lcd V1.10, 42 = mode:02 amateur, 01 fixed, 03 broadband unlimited TX.”

Read the one that’s already on the radio. You should always do that first anyway. Then look at what you want to change, which will be unique to your location. Change or add channels as needed and then write it back to the radio.

I bow to you, Gil!

Is there an AGC setting on the MXT275? Make sure it’s on. I doubt there is one, but on my radios that have it, it’s miserable working a mix of near and far people without using AGC.

How much power do you want and what bands do you want to transmit on?

Tried what? Putting up a third stop light?

The fact is that they’re narrow band can make them sound quiet compared to wide band radios. If you like the small form factor take a look at the Radioddity db20g, which is a small 20 watt transceiver that seeks for about $90 when it’s on-sale. I have two of them. The only con I have experienced is that they do suffer from a lack of different ways to program them and the factory software is lackluster. Or, for twice as much money, Wouxun makes a nicer 20 watt radio, the KG-xs20g, that has more programming tools available. https://www.buytwowayradios.com/wouxun-kg-xs20g.html?matchtype=p&keyword=wouxun kg-xs20g&device=c&adposition=&network=g&gad_source=1&gbraid=0AAAAAC4SJ1gUs6OU0crXu5LdcxkR-lCkZ&gclid=Cj0KCQiAoae5BhCNARIsADVLzZes3rhPcQ8PZ3Hb10rhQC1HVihMz5dHDxQgilnrnDueC6YhO35xzCAaAqkMEALw_wcB Some of my best friends are mechanical engineers!

Here it’s considered a secondary infraction, meaning they cannot stop you for failing to wear your seat belt, but if you commit a primary infraction you can be cited for any secondary infractions as well.

Repeaters transmit on 462 MHz frequencies. But you must transmit to the repeater on a 467 MHz frequency. It’s possible that you’re transmitting on the same 462 frequency as the repeater transmits rather than the 467 frequency needed to get into the repeater. If that’s the case your signal could sound weak to them if they hear it at all. Make sure you use a repeater channel.

Report your post to bring it to the attention of the owner.

Good job!

What kind of coax?

Especially if a person buys an inexpensive radio.

No guessing needed. A 50 watt radio draws too much current for a cigarette lighter circuit. Run the positive power lead for the radio back to the battery positive lead. The negative lead can go to one of the grounding points in your vehicle or can be taken back to the battery.

Just get a lifepo battery, put it in a plastic anmmo box and wire power poles to it. Don’t make it harder than needed. Get whatever capacity you want.

Unless you do something incredibly stupid with your radio, nobody will know and almost nobody will care, not even the FCC.

People usually announce it on public forums.