004 - Simplex, Duplex, and Repeaters

FromScanner School - Everything you wanted to know about the Scanner Radio Hobby

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004 - Simplex, Duplex, and Repeaters

FromScanner School - Everything you wanted to know about the Scanner Radio Hobby

ratings:

Length:

30 minutes

Released:

Jan 16, 2018

Format:

Podcast episode

Description

We break down the differences between each and give examples of when each one might be used to communicate. Session notes are at https://www.scannerschool.com/session4

Released:

Jan 16, 2018

Format:

Podcast episode

Titles in the series (100)

Welcome to Scanner School, a podcast dedicated to the Scanner Radio Hobby. Each week we cover another topic related to scanning and will be answering all of your questions to take you from Scanner Radio Student to Scanner Radio Scholar.

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021 - Scanning and Fire Buff Photography with Jim Peruta: Today we are joined by Jim Peruta, a 45 year veteran of the Fire Buff Photography scene. Jim runs his own website at res23cue.net and is a member of the Connecticut Fire Photographer's Association. Jim and I discuss what it takes to be a... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
36 min listen
011 - Rebanding: Rebanding is a necessary evil in the 800 MHz spectrum in the United States. In this session of Scanner School, we discuss why rebanding happened, how it changed the landscape of the 800MHz spectrum, and what it means for the scanner radio user.... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
31 min listen
006 - Entry Level Scanner Radio Reviews: Welcome to Scanner School Session 6 (www.scannerschool.com/session6). We review 3 handheld and 3 desktop scanners that you can use now with what you have learned in Scanner School Sessions 2 - 5. by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
31 min listen
002 - Frequencies and Hertz: What is a frequency and how do we measure it? by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
12 min listen
008 - LTR (Logic Trunked Radio) Systems: LTR or Logic Trunked Radio Systems, is a trunking protocol built by E.F. Johnson in the late 1970's. While it is primarily used in my area for business radios, it is the old dinosaur in the trunking world. There are a few flavors of LTR... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
26 min listen
009 - EDACS Trunk Radio Scanning: EDACS Narrow, EDACS Wide, EDACS SCAT, EDACS-ESK, AEGIS, and ProVoice by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
39 min listen
025 - First Look at the New Uniden SDS100: Its finally here - the new Uniden SDS100 Scanner. This scanner is new from the inside out, top to bottom. I'll let you know all about this new scanner and my first thoughts after using this radio for only a day. You can keep up to date with my review... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
35 min listen
023 - Aviation Scanning with Dave Pascoe KM3T: Dave Pascoe, KM3T, from LiveATC.net joins us on the podcast. We talk about the basics of aviation monitoring, what equipment is required, and how to understand the terms and common phrases used during aviation communications. Dave also discusses the... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
41 min listen
005 - Common Analog Modulation Types - AM, FM, SSB, WFM, NFM: Today we talk about the more common analog modulation methods, AM, SSB (LSB & USB), FM, NFM, and WFB (WBFM). Session notes are at https://www.scannerschool.com/session5 by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
34 min listen
010 - Motorola Trunk Radio Systems: Motorola Type I was the first generation trunk system by Motorola. Motorola Type IIi Hybrid was a bridge to the 2nd Generation Trunk System by Motorola, the Type II Smart Net. A Smart Net system can be expanded into Smart Zone and Omni Link... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
30 min listen
017 - The Benefits of Joining a Local Scanner Radio Community with Marshall Sherard: Today we welcome Marshall Sherard, KE4ZNR, from the Tarheel Scanner/Shortwave Listener's Group, based out of Raleigh, North Carolina. Marshall and I discuss the benefits of joining a local Scanner Radio Group, how to locate an existing group, and how... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
47 min listen
007 - Introduction to Trunked Radio Systems: Trunked Radio Systems are not difficult to understand one you know how they work. In this session of Scanner School, we talk about the basics of how Trunking works and will be focusing on specific trunk systems in the upcoming episodes. by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
27 min listen
019 - Weather Alert Radios and Weather Alert Monitoring: Severe Weather Monitoring goes beyond just scanning. I believe that every home and business should have a weather alert radio in a location that is centralized. A weather alert radio can be a life saving device and should be... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
25 min listen
001 - Welcome to Scanner School: An introduction to Scanner School and what you can expect in future episodes. by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
34 min listen
012 - Trunk Tracker III Scanner Radio Reviews: In this session of Scanner School, we review scanners that support "Analog" trunk systems, or systems that are not completely digital like P25, DMR, or NXDN. These scanners are sometimes called Trunk Tracker III scanners and the scanners... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
33 min listen
020 - Fire Paging and Uniden's Fire Tone Out Mode: Fire Tone Out (FTO) is a feature included with higher end Uniden Scanners. Before breaking down FTO and how it works, we take a look at basic two tone alerting by Plectron, GE, and Motorola. We also discuss 5/6 tone and ZVEI tones used outside... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
26 min listen
044 - NXDN Trunking: NXDN stands for Next Generation Digital Narrowband For an introduction to NXDN, please see last week's podcast at www.scannerschool.com/session43 NXDN Trunking comes in two classes: NXDN-C and NXDN-D NXDN-C is like most trunking systems. ... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
22 min listen
014 - Introduction to P25: Welcome to P25 aka Project 25 aka APCO-25. We talk about the 8 modules that make up a P25 system and how they operate. P25 Conventional is covered as well as NAC. P25 Trunking, Phase 1, Phase 2, and X2-TDMA will follow in next week's session of the... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
25 min listen
013 - Consulting Call with Jon Goldenberg: Be a fly on the wall on one of my consulting sessions with Jon Goldenberg. Jon was one of the winners of the Free Consulting Contest that we had in February of 2018. Jon and I discuss his current scanner needs and discuss some ways on how... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
41 min listen
016 - P25 Scanner Radio Reviews and Best Buys: In Today's podcast, we review the current Phase 2 capable scanners on the market In Session 14 we introduced you P25 systems and hardware. In Session 15 we discussed Phase 1, Phase 2, X2-TDMA, and conventional P25 as well as some hints and tricks you... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
30 min listen
004 - Simplex, Duplex, and Repeaters: Simplex, Duplex, and Repeater systems are methods used to communicate. by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
30 min listen
034 - Filters: As the name implies, a filter will either allow or reject frequencies from passing through and onto your radio In this session, we discuss: High Pass & Low Pass Filters Band Pass & Band Reject Filters Common filter terms Why we use filters... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
22 min listen
015 - P25 Hints and Tricks - Plus Conventional, Phase 1, Phase 2, X2-TDMA Trunking: Last week we introduced P25. This week we build on that introduction session and discuss conventional and trunking with P25. This includes Phase 1, Phase 2, and X2-TDMA systems. We also have a few hints and tricks for you to optimize... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
26 min listen
030 - Coaxial Cable: What are you using for coax cable? Not all coax cable is created equal and in today's podcast we will run through some numbers to show you why the bargain stuff is so inexpensive compared to quality coax. We have a great chart to help you... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
20 min listen
047 - Scanning on a Cruise Ship: I recently took a family cruise. It was a great trip and I even got some scanning in. Today, I have 5 tips to help you enjoy scanning on your first (or next) cruise. All session notes with links to the items we talked about can be found... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
24 min listen
031 - Jonathan Higgins from Scanner Master: Jonathan Higgins is the Digital Media Communications Manager for Scanner Master. He and I speak about his background in scanning, share some great stories, and talk about his "RailFan" experiences. Jonathan and I also talk about the history... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
57 min listen
003 - Carrier Squelch, Tone Squelch, and Digital Coded Squelch: CSQ, CTCSS (PL), CDCSS (DPL), and NAC by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
26 min listen
022 - Scanning Air Shows: One of my favorite scanning activities is to scan the local Air Show. The Air Show at Jones Beach is every Memorial Day weekend and it brings a lot of Military and Civilian Performers. In this podcast, I'm going to let you know what you need to... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
29 min listen
018 - Tips and Tricks when dealing with Simulcast Issues: Simulcast - when it comes to digital systems, it can be your worst nightmare. In this session of Scanner School, we have a few tips on dealing with simulcast and a few suggestions to eliminating the problems it causes. You can grab the show notes for... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
17 min listen
027 - MilAir Scanning with Michael Man: MilAir Scanning is different depending on where it is you live. Today's guest, Michael Man, is a big fan of Military Air monitoring. Since he lives close to a few training facilities, MilAir Scanning is one of this favorite past times. Michael... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
37 min listen

More Episodes from Scanner School - Everything you wanted to know about the Scanner Radio Hobby

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331 - SRU109: FDMA and TDMA for beginners: Digital modes, like P25, NXDN, DMR and others will use FDMA, TDMA, or both allow multiple transmissions to share a single frequency at the same time. FDMA or Frequency Division Multiple Access divides a current carrier frequency into multiple parts,... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
15 min listen
330 - SRU108: FM and NFM - Bandwidth is King: Do you program your scanner with FM or FM Narrowband? ? Find out why the right choice matters in our latest Scanner Radio University episode. ==================================== ? Check out our new Merch!... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
15 min listen
329 - SRU107: Simulcast - How to Stop the Pain: Imagine knowing that your scanner radio has a full signal, but you can't hear anything. Maybe you're listening to a p25 trunk system, but you can't listen to any of the activity. You can see your scanner is trying to go to a voice channel.... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
16 min listen
328 - Ask Scanner School v67: Every month I answer your questions on the podcast. If you have a question you would like me to answer, please leave me a voicemail at 516-308-2885 or by visiting This month, we are pulling questions that were asked via Facebook Messenger. ▶︎ How... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
23 min listen
327 - SRU106: Rebanding - How Nextel complicated the scanner hobby: The Nextel Conundrum: Originally established as a convenient communication solution for small businesses, Nextel swiftly expanded its services to include cellular telephony. However, the positioning of Nextel within the RF spectrum,... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
15 min listen
326 - Analog and Digital Trunked Systems: Once upon a time, we only had analog trunked radio systems. These systems all had analog voice talk groups. These systems included Motorola Type I, Motorola Type IIi, Motorola Type II, EDACS, and LTR systems. Today, we are living in a... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
12 min listen
325 - SRU104 - LCN vs CC Only Trunked Systems: There are two distinct flavors of trunked radio systems that we need to be aware of when programming our scanners. There are systems that require that every frequency for each site be programmed into their pre-determined channel number, and... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
12 min listen
324 - Ask Scanner School v66: Every month I answer your questions on the podcast. If you have a question you would like me to answer, please leave me a voicemail at 516-308-2885 or by visiting www.scannerschool.com/ask Don't forget to join us on YouTube on the first Tuesday of... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
20 min listen
323 - SRU103 - Trunked Radio Basics: Did you know that trunked radio systems are just like an orchestra? There are several parts in each that work in harmony. In our latest podcast, we compare the two to make it easier for you to understand exactly how a trunked system works. We... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
19 min listen
SRU102 - Conventional Scanning: Conventional is the "OG" when it comes to scanning. Every scanner radio that has ever been sold can receive conventional (analog) signals. This week's session of Scanner Radio University will break down several modes of conventional transmissions you... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
23 min listen
SRU101 - Intro to Scanner Radios: Welcome to the first in a series of classes that we are calling "Scanner Radio University". Over the next several weeks and months, we will be covering topics that will not only be geared towards those just entering the hobby, but topics that maybe... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
19 min listen
319 - I'm never selling this radio by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
14 min listen
318 - Yaesu FT-60R Review: The Yaesu FT-60R has to be one of the longest radios available for purchase. First released in 2004, the FT-60R is still for sale, 20 years later! Yes, this is a Ham Radio, but this rugged two way radio has a wide enough receiver that it could be used... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
21 min listen
317 - 13 Frequencies you need in your scanner right now by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
33 min listen
316 - Recent Updates from Uniden by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
14 min listen
315 - Ask Scanner School v64 by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
14 min listen
314 - 2023 Year in Review: We’ve made it through another year. Here is a quick rundown of what we did in 2023 and what is planned for Scanner School in 2024. ==================================== ? Check out our new Merch! ==================================== Squelchy... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
14 min listen
313 - Very Last Minute Gift Ideas: Are you looking for a last minute Scanner Radio gift this holiday season? Do you need something for yourself or someone else? Here is a list of Scanner Radio accessories that you can have as a gift in just a few days.... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
20 min listen
312 - Understanding the Radio Reference Database: How does the Radio Reference obtain the data that it publishes? Is it from Federal Licensed Databases or other online frequency repositories? Nope! It comes from Scannerds like you and I. In other words, the data that is inside the... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
23 min listen
311 - Ask Scanner School Vol 63: Every month I answer your questions on the podcast. If you have a question you would like me to answer, please leave me a voicemail at 516-308-2885 or by visiting www.scannerschool.com/ask Don't forget to join us on YouTube on the first Tuesday of... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
26 min listen
310 - Riding and Scanning Amtrak's Zephyr with Garrett Farwell: Garrett Farwell returns to the podcast this week to talk about his recent trip from California to Colorado aboard Amtrak’s California Zephyr. How does a “Scannerd” occupy their time while on a multi-day and multi-state land cruise? With... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
59 min listen
309 - 2023 Holiday Buyer's Guide by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
41 min listen
308 Ham Radio HTs for Scanning w/ David Vine: David Vine returns to the podcast this week to share alternative uses to Ham Radios. Not only can you use VHF and UHF Ham Radios to talk and monitor amateur radio frequencies, but you can use most of them to monitor outside the amateur radio... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
48 min listen
307 - Ask Scanner School Vol 62: Every month I answer your questions on the podcast. If you have a question you would like me to answer, please leave me a voicemail at 516-308-2885 or by visiting Questions answered on this week's podcast Scott would like to know how to make... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
26 min listen
306 - Should You Buy a "Receiver" ?: Scanners and Receivers are more cousins than brothers and sisters. Both receive frequencies, both can scan frequencies, and both do not transmit. However, each has their own strong points and weaknesses when it comes to tuning, range, and... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
20 min listen
305 - Building a Bond by Scanning Schools: Are you looking for a creative way to build a radio bond with your child? Have you tried to scan something they can relate to, such as their own school? When your child hears a teacher, faculty, or staff that they know and can recognize talking on the... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
19 min listen
304 - Remembering Larry Van Horn: For many, you can’t talk about scanning without mentioning Larry Van Horn. Larry has influenced many in the hobby when it comes to Military Monitoring. He wrote for Monitoring Time Magazine for many years and continued to write for... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
68 min listen
303 - 3D Print your own repairs or accessories: If you’ve ever wanted to create or build your own scanner accessories, 3D printing may be an exciting avenue to start exploring. Matt Neely has been bitten by the 3D Printing bug, and has already printed many scanner radio accessories for a fraction... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
47 min listen
$303 - 3D Print your own repairs or accessories: If you’ve ever wanted to create or build your own scanner accessories, 3D printing may be an exciting avenue to start exploring. Matt Neely has been bitten by the 3D Printing bug, and has already printed many scanner radio accessories for a fraction...$
302 - Ask Scanner School Vol 61: Every month I answer your questions on the podcast. If you have a question you would like me to answer, please leave me a voicemail at 516-308-2885 or by visiting https://www.scannerschool.com/ask Don't forget to join us on YouTube on the first... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
30 min listen
301 - Icom IC-R15 Announcement: Icom recently displayed their newest receiver at the 2023 Tokyo Hamfest. This is being called the successor to the IC-R30, but I completely disagree. It lacks most of the features that made the IC-R30 great. To call it a successor, based... by Scanner School - Everything you wanted to know about the Scanner Radio Hobby
10 min listen

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004 - Simplex, Duplex, and Repeaters

004 - Simplex, Duplex, and Repeaters

Description

Titles in the series (100)

More Episodes from Scanner School - Everything you wanted to know about the Scanner Radio Hobby

Related podcast episodes