Skip to main content

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.

Filter by
Sorted by
Tagged with
0 votes
1 answer
80 views

Is there a frequency pair appropriate for a temporary mobile 70cm repeater?

I am thinking about building a portable low power 70cm repeater for field and emergency operations. For example it could be placed up high on a mountain to cover the valley. Is there an appropriate ...
3 votes
1 answer
178 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 ...
1 vote
0 answers
81 views

Repeater PTT time

I have made some repeaters with GM300 radios, Using a cable TX-RX to join both radios by the 16 pin. Done it some years ago. But can't remember how I did to make the repeater stand up for a second ...
0 votes
2 answers
111 views

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 ...
5 votes
2 answers
305 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 ...
1 vote
0 answers
106 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 ...
0 votes
2 answers
181 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 ...
5 votes
1 answer
883 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 ...
4 votes
1 answer
106 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 ...
5 votes
1 answer
5k views

How to access a P25 repeater?

Are there any special instructions for accessing a P25 repeater? What makes it different from a CTCSS/PL-tone-encoded repeater? What special features does a radio need to access it?
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?
5 votes
2 answers
2k 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. ...
2 votes
3 answers
107 views

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? ...
2 votes
1 answer
62 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 ...
2 votes
1 answer
227 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?
9 votes
3 answers
367 views

What should I put on a QSL card for a repeater contact?

From time to time I'm a new ham's first contact - usually on a repeater. If I want to send the new ham a QSL card, how should I distinguish a repeater contact from a non-repeater contact? Is there a ...
0 votes
1 answer
330 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.
2 votes
1 answer
1k 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 ...
0 votes
2 answers
751 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 ...
19 votes
2 answers
32k views

How do I make a RF propagation map for a repeater?

Let's say I have a repeater. Knowing all of the information about antenna height and gain in each direction, as well as power, how can I create a map similar to this map I saw of a repeater in ...
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 ...
2 votes
3 answers
223 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 ...
3 votes
2 answers
5k 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 ...
1 vote
1 answer
41 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?
4 votes
2 answers
1k views

Should I add call signs with /R suffix to the logbook?

Sometimes in FT-8 mode I receive calls like this one: It happens 2-3 times a week. The problems are: 1) I never could look up such call signs 2) I tried to reply, but never got answer 3) I don't ...
2 votes
2 answers
918 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 ...
0 votes
3 answers
234 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 ...
9 votes
2 answers
434 views

How to clean up profanity on airwaves

We have a repeater here in Southern California (Sylmar K6GE 147.435), and no matter what time of day or night there are a great many operators spewing tremendous profanity, disrespect and meanness ...
0 votes
0 answers
167 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 ...
1 vote
4 answers
1k views

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 ...
2 votes
2 answers
234 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 ...
5 votes
2 answers
275 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 ...
0 votes
0 answers
28 views

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
11 votes
5 answers
8k views

Is it illegal to key up and not identify?

So, I key up on a repeater to see if it works, or to see what cool courtesy tone they are using. I don't do anything else. Is it illegal or bad ham radio etiquette to just key up for a second, key ...
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), ...
5 votes
4 answers
13k views

How can I be sure I'm actually hitting the repeater?

I'm just starting to use 2m and 70cm bands, which normally use repeaters to extend range beyond a mile or two (limited mostly by line of sight, as I understand it). When I'm at home, however, I'm not ...
1 vote
2 answers
163 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 ...
2 votes
3 answers
453 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 ...
8 votes
3 answers
2k 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 ...
1 vote
1 answer
252 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 ...
4 votes
2 answers
658 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 ...
1 vote
0 answers
142 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 ...
0 votes
2 answers
170 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 ...
2 votes
4 answers
355 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 ...
1 vote
0 answers
94 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) ...
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 ...
3 votes
2 answers
503 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 ...
2 votes
1 answer
533 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 ...
2 votes
1 answer
202 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 "...
2 votes
1 answer
153 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?