Questions tagged [repeater]

A device that receives a signal and re transmits it either in the same band or by re-modulating it in a different band.

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Theoretical solution to ham radio repeater range extension for personal use

So here's the theory, I build a personal repeater to access a nearby repeater. In turn it sends a signal to my desired repeater (within range of my repeater) I then build a second repeater to receive ...
Gregory Chapel's user avatar
1 vote
0 answers
77 views

why i cant hear my voice when i connect to two Baofeng uv82 to the same repeater frequencies

I have two baofeng uv-82 and I connected both to the same repeater frequency, and once I press the ptt button I can hear the squelch sound on both radios. However, once I talk to one radio, I don't ...
khaled majali's user avatar
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2 answers
132 views

Ham radio and repeater usage

I'm a newbie with radios and frequencies, but I was doing some tests to listen and transmit on one repeater near me (Cambridge MA) and it worked very well (as far as I understand). The problem ...
Mirjan's user avatar
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5 votes
1 answer
794 views

What's the protocol when making a call on the ISS repeater?

I have mostly only used non-crowded 2 meter repeaters, but recently I tuned my radio to the downlink frequency: 437.8 mhz while the ISS was passing overhead - just to listen. What I heard was people ...
scm's user avatar
  • 193
4 votes
1 answer
90 views

Repeater signal drops at regular interval

Relatively inexperienced ham, starting to call into local nets. With two of the local repeaters the signal drops at regular intervals, approx every 15 seconds. I’ll have a strong signal and then ...
mbond's user avatar
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2 votes
3 answers
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What are channels in British repeaters?

British repeaters seem to have a channel associated with them, something like RV53 in this repeater: https://ukrepeater.net/my_repeater.php?id=2817 What is that? Are frequencies channelized in the UK? ...
Pablo Fernandez's user avatar
2 votes
1 answer
50 views

Are Repeater Book listings for Florida accurate?

I am trying to set up my minimal ham station at my new QTH in central FL. I am interested in 2M & 440 FM repeaters at the moment. I have used both chirp and the RT systems software to program ...
Larry Keith's user avatar
2 votes
1 answer
201 views

Can a repeater accept both tone burst and CTCSS?

I found a repeater than in a listing it says it accepts both, the 1750Hz tone burst, and a CTCSS code. Is this possible or is the listing wrong?
Pablo Fernandez's user avatar
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191 views

Which one is the tx frequency of a repeater?

Is that the frequency you transmit on to use the repeater, or the frequency the repeater transmits on? I've seen it used both ways.
Pablo Fernandez's user avatar
5 votes
2 answers
227 views

Repeater Amplifiers DMR vs Analog

I have recently purchased an amplifier for my repeater. This was actually my first amplifier purchase ever and should probably have asked more questions prior to buying it. The repeater is a ...
Mike's user avatar
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2 answers
570 views

Connect an LTE ("4G") signal booster (amplifier) directly to my router will break it?

The goal is to connect an LTE ("4G") signal booster (amplifier) directly to my router to avoid the radio signal feedback¹ by the LTE ("4G") signal booster (amplifier). ¹ ...
Eduardo Lucio's user avatar
13 votes
1 answer
4k views

Is there any legal recourse against unauthorized usage of a private repeater in the USA?

Can the FCC revoke an amateur license for unwelcomed use of another amateur's private/closed repeater system? It's clear that private repeaters are allowed, per 47 CFR 97.205(e): Limiting the use of ...
natevw - AF7TB's user avatar
2 votes
3 answers
182 views

Would repeated non-interfering kerchunking with ID within ten minutes be illegal or just annoying?

I'm not going to do this. I'm just curious whether it's legal or not. Suppose there's a net at 8:00 on a repeater. There is no traffic prior to the net. Is it legal to repeatedly kerchunk the repeater ...
Someone's user avatar
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3 votes
2 answers
4k views

When to use TSQL vs TONE for a (2m) repeater?

I'm trying to understand when to use TSQL and when to use TONE in the configuration of a repeater. I got a repeater file to import into my radio from http://www.dstarinfo.com/repeater-list.aspx and in ...
Pablo Fernandez's user avatar
3 votes
1 answer
126 views

Linking DStar repeaters using Icom syntax

I would like to monitor a remote repeater (VE2RM) through my local repeater (VE3TTT). I am trying to figure out how to link them - specifically using the Icom ID-52A commands/syntax. I found some ...
TSG's user avatar
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1 answer
39 views

Can I change the LATNEX RC-S120 ID timeout?

I have a LATNEX RC-S120 Simplex Repeater Controller. It IDs by announcement every 15 minutes. Is there any way to modify that setting so it identifies every 10 minutes?
ag7jy's user avatar
  • 51
2 votes
1 answer
793 views

How do I determine the necessary isolation and antenna spacing between TX and RX antenna for repeater

Here's the situation. I'm going to be installing a couple of VHF repeaters at a site and am now choosing antenna placement on the tower. My understanding is that to determine the separation of TX/RX ...
Frank's user avatar
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0 votes
3 answers
182 views

Extend transmit range of my HT

Based on comments and new information I have rewritten this question entirely: I need advice on a simple, inexpensive, and non invasive (no holes being drilled in walls) way to talk to repeaters in my ...
MKVIIGTI's user avatar
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0 answers
154 views

Direct call via the repeaters

Is it possible and if, how does it work, to establish direct DMR call between two stations through different repeaters? Does it work in the similar way as opening temporary groups on repeaters or some ...
Hieronim's user avatar
  • 111
2 votes
2 answers
793 views

Why is there a repeater on 146.46? Isn't that a simplex frequency?

I have a commercial GE Phoenix transceiver that I sent out to be programmed on 146.460 but have been informed by a club that my transmissions are interfering with their repeater that has a 146.460 ...
Dax's user avatar
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1 vote
4 answers
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Is it possible to bounce off multiple repeaters

Think of it this way you go to a lake and to skip a stone across the water each bounce gets you further and further. Is their a way to do the same with repeaters to reach a distance Example: I start ...
Ben Madison KO4UXC's user avatar
2 votes
2 answers
214 views

Can users ID for a repeater?

If a typical Amateur Radio repeater's ID'er goes down, can the users of that repeater ID on behalf of that repeater? IE,"this is Blah Blah Blah on the Blah Blah Blah repeater". Maybe I'm ...
Radio Geek's user avatar
5 votes
2 answers
247 views

When was the FCC Part 97 requirement for a time-out timer removed from repeaters under automatic control? Or, am I just nuts?

I've been remiss in keeping up with the changes in Part 97, especially in the area of repeater stations. A recent discussion about changing the time-out timer's period had me scurrying to the CFR, and ...
KenTenTen's user avatar
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Need Help Setting up TS/CC's on XPR8300 Talk Groups

New Motorola XPR8300 repeater in place, but NO idea how to set up Talk Groups. HELP! Tommy NH7R
Tommy Akin's user avatar
5 votes
2 answers
1k views

Why am I not hearing repeater identification more often?

I just bought a 2m/70cm handheld. I programmed in the local repeaters and have been scanning them for a couple of days. Only about twice have I heard one of the repeaters come up and identify itself. ...
plafratt's user avatar
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1 vote
2 answers
145 views

Is power output or something else to blame for my duplexer failing?

A Ham buddy of mine and I were trying to setup a UHF repeater in our area due to a lack of them. We had two Motorola CDMs, one a 1250 and one a 1550, and we purchased a $200 or so reject only duplexer ...
Caleb Krajnak's user avatar
21 votes
1 answer
5k views

Why do people say, "get a nickel," on repeaters?

Sometimes, I'll hear someone say "wait a moment, I'm getting a nickel," and then drop the carrier only to resume talking. Why?
webmarc's user avatar
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2 votes
3 answers
404 views

Store and forward system like voicemail for hams

I want to be able to get in touch with hams in my area when we are not both on air at the same time, but are close enough to each other for VHF communication. I want to be able to use my radio to call ...
OrangePeel52's user avatar
8 votes
3 answers
1k views

Why don't I hear the CTCSS tones when listening on the repeater input frequency?

I am newly licensed (Technician) and bought a UV-5RA as a cheap way to check out what's going on in my area and see if I'm finding it interesting enough to get a better UHF/VHF HT. The other day I was ...
QuantumMechanic's user avatar
4 votes
2 answers
591 views

If repeaters share the same call sign are they "Connected"

Newbe here, I was looking through repeaters in my area and I noticed that there were a few repeaters that shared the same call sign(even though they run on different frequencies). Does this mean that ...
RayLoveless's user avatar
1 vote
1 answer
219 views

Repeater build problems

I'm trying to build a UHF repeater using two Motorola radios. I have a cable connecting the two radios that was built for doing such a project. The radios have been programmed for the appropriate ...
RUSTY's user avatar
  • 11
1 vote
0 answers
124 views

Is it possible to setup a private network with DNS lookup using app_rpt?

I am going through a bit of a headache trying to find this information. I have a lot of people interested in a private simplex node/repeater network using Asterisk/app_rpt, the same software ...
byaeger's user avatar
  • 11
0 votes
2 answers
157 views

Repeater design using round robin transmitters to increase duty cycle?

I would like to build an FM repeater using a short stack of Kenwood TK-890H rigs adjusted to 70cm USA amateur band, but the model has a 100W rating with a duty cycle of only 20%. 20% isn't nearly ...
Jason W7DM's user avatar
1 vote
0 answers
88 views

Repeater transmit voice message/warning on input frequency?

I'm in the process of planning a UHF CB radio repeater. And I've heard there are ones around that transmit a voice message/warning on their input frequency (as well as standard output channel ident) ...
Hayden Thring's user avatar
1 vote
1 answer
2k views

How does a Baofeng radio know an incoming transmission is from a repeater?

Baofeng radio's have two menu options for squelch tail elimination (STE). Item 35 is for general simplex STE, and item 36 is for repeater STE. My question is how would the radio know if a transmission ...
N4lnt's user avatar
  • 11
2 votes
4 answers
337 views

Ham radio repeater

I am wondering if using a VHF/UHF ham radio for emergency (I get injured, become ill, run out of water/food, etc.) communication while hiking the Continental Divide Trail would be possible. I see that ...
Walter's user avatar
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3 votes
2 answers
456 views

Why do repeater duplexers have notch cavities between transmitter and antenna?

Why are notch filters used on the transmit side of a repeater duplexer? The primary purpose of a duplexer is to keep the transmitter output out of the receiver input, since they both operate at the ...
AC0CW's user avatar
  • 51
2 votes
1 answer
450 views

Hypothetical question: Repeater with power amplifier

This is my first time ever asking a question on stack exchange or any stack site, so please be gentle if I missed something here. I am currently working on building a UHF (GMRS) repeater, and while ...
hairlesshobo's user avatar
2 votes
1 answer
177 views

Repeater carrier as access

I'm just getting into ham radio. I'm trying to connect to a repeater here in Ireland: Channel: RU260(RB10) Output: 433.250 Input: 434.850 Call sign:EI7SHR Access: Carrier What does the "...
Tullio_IRL's user avatar
2 votes
1 answer
139 views

Help with Repeating 439 MHz signal

I have a remote wireless water tank level sensor. It transmits at 439 MHz with an apparent max range of 100 metres. Unfortunately I need about 200 metres. How can I extend that range?
Dan's user avatar
  • 21
4 votes
1 answer
2k views

Talk Around vs Reverse

I thought that "Talk Around" and "Reverse" were two ways of referring to the same thing: swapping a channel's transmit and receive frequencies so that one could e.g. listen for ...
K0SWE's user avatar
  • 327
5 votes
2 answers
2k views

Beginner listening to a repeater - only hearing one station

This morning I tuned in to a repeater about 12km from me (in the UK). I could hear activity, but from only one station. I could tell that there were other stations using that repeater from the ...
Adam's user avatar
  • 151
1 vote
1 answer
649 views

When are licenses required for 900 MHz operation in the US? When are they not required?

Forgive me if this is not the proper forum, but I am an electrical engineer and a total radio novice. I am designing a product that may contain off-the-shelf industrial radios that act as repeater ...
Bort's user avatar
  • 111
2 votes
2 answers
929 views

Why is a separate repeater required for digital modes? Why can't an analog repeater be used for digital modes?

Regardless of the mode: digital or analog, the radios always transmit sinusoidal EM waves. So wouldn't a regular analog repeater be able to rebroadcast that EM signal regardless of its encoding?
rsn's user avatar
  • 257
4 votes
3 answers
2k views

Can one repeater be used to hit another repeater?

Here's why I wonder about this: I would love to be able to reach an Echolink-enabled repeater or similar, but I live on the other side of a ridge that would probably block a transmission to the ...
The Blender Bender's user avatar
1 vote
1 answer
909 views

Repeater Features: What is e-power and link?

I am so new to ham radio that I don't even have a transceiver or a certification study unit yet. Just learning all I can right now. So, I'm looking at a repeater that I might be able to reach with a 5-...
The Blender Bender's user avatar
6 votes
2 answers
6k views

What are the regulation requirements for running a repeater?

When I try to find information on the requirements to run a repeater, I just see a lot of results related to building one. But I'm wondering about USA regulations. Does one need a particular license?...
Bort's user avatar
  • 215
2 votes
1 answer
140 views

Baofang uv-5rA/ repeater trouble

I programmed my Baofang UV-5RA radio to my local repeater about less than a 1/4 mile away. When I cue the mic and release, I get a signal from the repeater. However, I can only hear people if I have ...
Doe John's user avatar
3 votes
4 answers
2k views

Are there any "parrot" repeater software projects out there?

I happened across a discussion on building repeaters for Amateur radio, which lead to looking at GMRS repeaters (because apparently this is a potential source for inexpensive 70 cm Amateur repeaters), ...
MacGuffin's user avatar
  • 349
3 votes
4 answers
773 views

Is there a freely accessible repeater database?

The well-known repeater listings/apps don't provide a database that you can download and use freely for any use in building your own app. Is there a such a freely accessible repeater listing database ...
NoBugs's user avatar
  • 241