Uhf simplex frequencies reddit

Uhf simplex frequencies reddit. For some reason, the Ohio Band plan uses 15 KHz spacing for the repeaters with 146-147 outputs. 600 Portable S&R UHF Repeater As an example my Flex 6600 has two and the Flex 6400 has one. 25m. 075, 433. 139K subscribers in the amateurradio community. It is not a normal frequency-coordinated UHF simplex boiled channel, although it is a simplex frequency within who widely recognized simplex bandplan. 8300, 49. High-band UHF: 900-952 MHz. 442. 439. we use 147. 790, and 145. 800: DIGITAL 50w is a 3db difference over 25w. They're going to sound quiet, but if you use them, you'll QRM a satellite that you won't be able hear yourself. I haven't really tested this claim myself though. . NET UHF Simplex Frequencies. From the list, that would mean 446. Based on the amount of traffic I hear, it's one of those frequencies that rivals 146. The standard is controlled by a group in Japan. 400 – 433. 300/447. The additional band appears to be 1. 520 and 445. Even RadioReference isn’t going to tell you that a specific FRS/GMRS channel is used for a particular reason in a specific area. 000 Mhz) are intended for FM simplex communication, while the other pair (144. Amateur Radio operators on NET teams may want to use a frequency in the 70-cm band to communicate within their neighborhood or between neighborhoods. 525 and 446. 0 and 438. 5. I added 2M and 70CM. What could work is putting out the call on the calling frequency (this is amateur freqs and not SAR freqs) and hope somebody is listening. 520. 4. 000 and WTF! It’s in offset mode again. 050, 446. One of those folding ones, abree?, it works fine on the Radioddity radio and, like I said, all the rigs seem to work in simplex / frequency mode. Generally, VHF and UHF frequencies are found in HT’s, or mobile units, and HF frequencies are generally devoted to an HF rig. 25m, 33cm and/or 23cm bands, there are I have been told on air that CQ is more of an HF thing, which I get. 7000, and 467. 0hz CTCSS Secondary ARES UHF Repeater/Link. 850 were removed as 70cm simplex frequencies by the Utah VHF Society in February, 2021 and reassigned for repeater use. I'm licensed for Part 90 Itinerants as well hand have VHF and UHF pairs. 0000 National FM Simplex Calling Frequency 446. 520 MHz) but I recently found out many people in my area hang out on a different simplex frequency so more stations are out there I haven't contacted yet. We (USA) have similar free frequencies. Alternate activity frequency for SOTA, POTA, and other contacts. If you are wondering what Amateur Radio is about Something like a TK-390, besides being 100% GMRS legal, is a legit 'public safety' grade radio and damned durable. 500: FM: Calling and general use. However, VHF/UHF doesn't open as often as HF. Then get all of the common simplex frequencies as well. The HRS site talks about spacing being either 15, 20 or 25 kHz spacing depending on your location. Jul 27, 2023 · There are currently only 5 frequencies in 60 Meter that are open to ham radio: 5332 KHz, 5348 KHz, 5358. Welcome to Reddit's own amateur (ham) radio club. It's there when the band is open. Covid has really done a lot to make VHF/UHF active again here at least (Ventura County, CA). 030 FM | HAM PREPPER UHF COMPLEX 446. There is, however, fairly frequent simplex operation on the 70cm band, and it occurs primarily on the following frequencies: 446. If you use narrow on a wide band repeater, you will have low audio. 000 and 446. 460, so those frequencies are usually but not always "safe"; the same issue arises in some areas with simplex channels in the 147. 6000, 467. In California, there are 25 specific simplex frequencies listed on the band plan, and only one not recommended for "extended" use, the National Calling Frequency 146. #3. 400-146. (146. 5, 446. Sort by: EO-2030. If you use wide on a narrow band repeater, you will be loud and distorted. Bob Steinberger (SK). 825 and 447. We do all the work, includes all FCC fees. 4000 – 446. A Subreddit Dedicated to the (462 MHz) GMRS Radio Community. 200 National calling frequency 146. You can dig around and find local agency info and pick through them. 52 No FM 2M SSB Calling 144. 510. 0. Like others said, while not legally, the band is practically channelized, so check your state coordinator for the list of recommended simplex frequencies. You will need an all mode rig for that. The US standard 2m repeater offset is +/-600kHz. 0hz CTCSS ARES VHF Simplex. 70cm is +5MHz and -12MHz for 1. That allows both the receive and transmit to be on the same frequency. With that in mind, staying in the UHF band (which is less used) for DMR simplex, a bit above 446. 394 – 433. 400: Propagation Beacon Network Exclusive (10) 432. 146. Yeah it’s a pain. 2 meters has a slightly longer horizon distance than 70cm but the big difference is the wavelength being shorter is impacted more by objects like trees and leaf's, twigs that both reflect and/or absorb signal. On the ARRL band plan for 2 meter simplex, the simplex frequency ranges from 147. I call CQ on VHF, UHF simplex calling frequencies. Then scan and leave it on. Can we select any frequencies in these ranges for simplex communications? Simplex Operation and Frequencies for U. Crypto License Type. On VHF repeaters, or linked repeaters - I just saying I'm looking to make contact, weather check, radio check, or check in for a specific area. Additional Simplex Frequencies. Jul 29, 2023 · Thank you to Adam VA6TRX for compiling this list! If you have any corrections or additions to this list please email info@arescalgary. Jul 12, 2015 · Feb 13, 2015. 000, 446. 57. 615 100. New ham here, I just got a tri-band BTECH as an upgrade from my dual-band UV-5R. I've never had a problem with my battery getting anywhere near low like that. 8600, 49. As for your area, go to Repeaterbook. 9750 Simplex & Packet (25 kHz spacing) 446. 2 – simplex calling. (About 462 MHz) These are really good for local use up to a few miles. The 800 MHz band has a set of simplex / repeater pairs called ITAC, I don't think anyone even uses those anymore, or if they are even legal to use after rebanding to be fair but at one time they used to be active. There is such a thing as a simplex repeater which records your message and then replays it. 2nd simplex location beyond 49 miles (+$175. 52 National Simplex Calling Frequency I've hiked all day with my VX-6R on a simplex frequency when I do SOTA activations with a group of people. Ignoring the loss of the rubber antenna on the hand held radio and the 9dB gain of the collinear antenna at the repeater the numbers seem to work out. 70cm signals will reflect better on 70cm which can be bad or good. Narrow is about 3dB worse than wide if your radio has a narrow band filter, otherwise it will be about 6dB worse. I would just suggest, whatever you do, make sure you avoid the satellite frequencies. 8750, 49. 9125 Mhz 2 m Simplex 146. 49. 400 Mhz 440 Simplex 445. I've been seeing the radios going for about $100/ea, and the software to program them is about $50. If you are on UHF, the HX407 is similar. 7250 MHz. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. High-band VHF: 169-216 MHz. • 4 yr. Alberta Wide ARES Coordinated Frequencies. 433. Many people in WI and some around the twin cities of MN have started to use 147. •. 0500 - 446. Just look up "GMRS frequencies" and you'll find the list of channels/frequencies. However, I dont think it should be a hard and fast rule. 075, 146. Yes, you will need a radio capable of multimode (SSB/CW) operation to work FT8 on 2M or 440. It's generally bad operating practice to call CQ on a repeater, but VHF/UHF simplex calling should be treated the same way you would operate on HF (always simplex). All the Baja and sand dune guys expect it to be in their buggy radio loads. The 70-centimeter or 440 MHz band is a portion of the UHF radio spectrum internationally allocated to amateur radio and amateur satellite use. definitely more complicated than that. 2Ghz 76. Weak signal work (using SSB, CW, or digital modes) also has an appeal to some as well. 445. by John Beaston Nov 19, 2016. 275/447. Now let's be honest, uv5r it's a $25 radio. ggregC. 144. Forget the exact band edges, but 145. Where I am (Central Scotland) analog VHF/UHF is basically dead. S. For a practical example, I live in a sparsely populated region with lots of mountain ranges, so long distance simplex on UHF/VHF is not possible. 500 is commonly used as well. With FM, reducing the deviation will reduce the signal to noise ratio. most UHF VHF radios have a scan feature that automatically stops when it hears traffic, and the nature of FM is that it "locks on" to the carrier The simplex calling frequencies (146. From what you describe, it would seem your inability to reach out to your friend has everything to do with what is between the two of you. Use of this frequency will reduce traffic on 146. In all three ITU regions, that slice of Dec 9, 2022 · This means that 445. The VHF spectrum has MURS (about 154 MHz) and the UHF has FRS/GMRS. 600, but it's not good to just pick a frequency in that range at random. But here's the thing, we all have cell phones in I've heard that it's considered poor form to call CQ on 2m simplex. 500, 446. 5625 and 441. 10M can be a blast when it's open and is also good for local ragchews. 5250 Mhz as the VHF calling frequency. If the standard bandwidth is 25 kilohertz, how would channelizing the frequencies look like when saved into the radio? The frequency looked like the 25 kilohertz bandwidth wasn’t in consideration when picking out this allocation. 520 FM). ago • Edited 1 yr. 136K subscribers in the amateurradio community. 45 Color code 1, Time Slot 1, Talk group 99 are the most commonly used settings. Centre frequency for EME, globally coordinated frequency allocations exist above and below 432. 600 : BM: 10m FM Simplx: 10m FM Simplex: FM: Ham: 50. In most places, the channels immediately adjacent to 446. There is also FT8 activity on 10M. 000 MHz, Feb 2, 2018 · What simplex frequencies are we allowed to use for simplex conversations? For example if I look at the ARRL band plan for 2 meters and it shows some simplex channel groups: 146. 460 are in both the 15 kHz and 20 kHz plans, but both ARRL and SERA says there are a handful of repeater inputs on 146. 075 MHz are all valid simplex frequencies. com and look up the DMR repeaters for your area. Interruptible foldback (IFB), also known as interrupted foldback, interruptible feedback, or interrupt for broadcast is a monitoring and cueing system used in television, filmmaking, video production, and radio broadcast for one-way communication from the director or assistant director to on-air talent or a remote location. These are 146. 5500, 467. 925 Mhz 2 m The simplex frequencies I have for DMR are 145. Primary users have licensed broadcasters in television and radio or commercial communication services that provide cell phone service and two-way radios. If you regularly use 1. 52, simplex calling frequency) 70cm simplex: 445-447MHz, 25kHz channel spacing. However, 70cm does get less traffic in almost every area I've ever looked at, which makes finding an empty simplex channel much easier. The VHF and UHF frequencies are line of sight, and use either simplex frequencies, or repeaters. Antenna matters much more. Obviously, this is possible, but PSK31 wasn't designed for FM use and a lot of hams frown upon it's use in FM mode on 2 meters. 00-447. 2GHz. Across all of North America, 446. The General Mobile Radio Service (GMRS) is a North American land-mobile FM UHF radio service designed for short-distance two-way communication. 3750 FM Repeater Inputs/Auxiliary Links (25 kHz spacing) 446. About the only thing you can count on nationwide (North America) is 146. Without knowing what the settings are on the Motorolas it is just a guess at what you need to put on the TYT. Some of the frequencies in the tables and lists below are restricted to itinerant use and some have different transmit power restrictions. There Are a few other dedicated frequencies as well for alternatives. UHF simplex frequency, simplex frequency. Though a lot of law enforcement and some others are on 800mhz which wont be able to be picked up. Good for 10 yrs. 400 thru 146. 22. 57MHz. 000 MHz for FM. So to answer your question, no you may not operate simplex on the repeater input frequencies. What is a simplex frequency? Simplex – In the amateur radio context, simplex operation means the radio stations are communicating with each other directly, on the same frequency. I worked Chile on 10M SSB last weekend. 5 Ghz 24. Ron KB9ZB. Yes. (446. UHF has been a little bit of a mix and not to much of a worry as a fair amount of Fusion repeaters are popping up on UHF around western WI/twin cities MN. 40 Meter ranges from 7. Just curious how many folks here actively monitor/use 2m Simplex (146. I can count on my hands how many simplex or repeater contacts I have had in the last 5 years (and half of those were SSB DX) - everyone is on HF instead, or DMR. 25Ghz 47. For what it is worth these are the settings I use for DMR simplex. N. 000 MHz are used as simplex frequencies, spaced by 25 kHz. There are also repeaters that use non-standard offsets. 0 MHz. This causes a mess for my local area. 70cm SSB Calling: 432. 0Ghz 134-141 Ghz 241-250 Ghz and All Above 275 Ghz. Most people with 50w radios aren’t running them above 5-25 watts anyway for repeater use. You also need an all mode rig for linear transponder satellites. 8-146 and 435-438Mhz or so. I always forget about it, and VFO over to 446. I have read that 70cm tends to bounce around tall buildings better while 2m tends to travel further in less urban settings. 580 MHz and 147. 600MHz All Modes Business, Economics, and Finance. This is for VHF/UHF. 25m FM Simplex: 223. Q5 Signal build various transverters including a 5 band VHF/UHF unit. There's also the HX400 with the same capabilities that does have an IS version. 0250 Simplex & Packet (25 kHz spacing) 446. Join. The frequencies 146. Low-band UHF: 450-806 MHz. I have the first 50 channel bank dedicated to 2 meter frequencies. Mar 8, 2017 · For new hams who are likely to get started in local VHF/UHF operation, the national calling frequencies to be concerned with are 2m and 70cm FM simplex (non-repeater). 52 MHz and 446. 58. 5 kHz spacing) Welcome to Reddit's own amateur (ham) radio club. 40-146. 100 is the SSB calling frequency. 300 100. 200 – National SSB Calling Frequency (2) 432. A basic DMR or C4FM digital rig, or a full duplex FM rig will start around the $200 price point. 0 MHz will probably keep you from interfering with anyone else. 0-10. have a number of H/T’s and scanners. May 5, 2013 · Hello everyone, I have been curious about this for a while. There are popular local fx for calling, and various smaller groups of friends that have a pet freq for chatting. 500MHz), but note that UK DV calling is elsewhere at 438. 520 and the other VFO auto-scanning through the designated emergency/exercise simplex frequencies. 25-123. Also find out what repeaters your local ARES group uses. 600 and 147. 275 100. OPERATING. 420MJz thru 147. The channel center frequencies are: 467. 443. You should avoid it, because you wouldn’t know if you were causing interference to a repeater which may be quite far away. 600/448. 0-47. 52 and 446. This means that you can configure it for GMRS simplex frequencies as well as for repeaters. I would have a few Baofeng UV-5Rs sitting around the room, each tuned to a different repeater frequency, and my mobile radio had one VFO monitoring 146. 52. Also, while /\/\ aggressively goes after people selling their programming software, you can usually find original Kenwood software on Ebay for less than $25. 025, 446. Look up the local clubs and try to find out when their nets are, if they have them, and on what repeaters. 175. The scanners and ham H/T’s diverge from You don't often hear people calling CQ on VHF/UHF. 51, 441. 0, 446. 030 MHz FM Mixed lives a Prepper spam audio UHF frequency. 5750, 467. 520MHz and 446. Besides the 70cm UHF, All licensees except novice are authorized all modes on the following frequencies: 2300-2310Mhz 2390-2450Mhz 3300-3500Mhz 5650-5925Mhz 10. 950, 445. Antenna works great! 131. It's tricky to get great RF performance over a wide range, so they split it into two. Reason for splitting UHF and not VHF is the wide range of frequencies UHF covers. If you are wondering what Amateur Radio is about 19 votes, 41 comments. 9000 – 445. I talked to most of these stations on the national calling frequency (146. 000 is the only nationally recognized simplex FM frequencies on the 440 band. 0 MHz: 432. 6250, 467. And two different nagoya dual / tri-band antennas (one of the baofeng rigs has 220mhz). Plus, UHF doesn't TX as far, which makes it even less likely that you will be on a frequency that will interfere with other HAMs. 300 – 432. It's a good learning radio from my limited experience. In a general sense, UHF’s shorter radio waves make it best-suited for wireless Get all the repeaters within 30 miles programmed in. ham bands above 50Mhz. 015/147. When chatting we are always under 1 watt of power. 975, 446. In general use, the term "simplex" implies FM modulation since FM is commonly used in both simplex and duplex operation. In theory it can communicate with standard FRS and GMRS, receive weather radio, has built in tuner for broadcast radio. 5 MHz range. 075 or 446. r/amateurradio. The rest of the band is repeater inputs and outputs, amateur television, and point to point links. especially on repeaters. 13. 520, which can be busy at times. This is definitely one of the more confusing disparities for newbies IMO - training materials focus so much on the legal bits that you miss out on some of the best practice bits that actually make things a ton clearer. Many of the frequencies I've seen on the brandmeister network for hotspots are between 432-433MHz (the weak signal portion of the band) or between 435. 0hz CTCSS Portable ARES VHF Repeater. While there are more simplex frequencies available in the 70-cm UHF band than the 2-meter VHF band but there is still some risk that NET 146. 595 100. 0-81. With FRS and GMRS simplex, there are only 22 channels and they are allocated nationwide by the FCC. I believe most of the people playing digital voice siimplex on 2M where I am pick an experimental or a lesser used FM simplex frequency. 500 MHzImportant note: The use of 448. Outside of local emergency frequencies maybe consider murs, local ham operators, space station and NOAA. Dstar was designed specifically for amateur use, which is good in that things like amateur callsigns are a first-class thing in the protocol. Simplex is 146. 52 National Simplex Calling Frequency 147. This is not correct. There is a similar set of frequencies for 70cm as well. The trick to getting a grasp on CPS is understanding how the different "pieces" fit together to get to your goal. For the last 2-3 years my significant other and I sometimes use simplex frequencies on our HTs to communicate with each other on our property. Usually we have a voice HF station, a CW station (me), and a VHF/UHF station, and several people to operate them, except of course for the CW station. 200: USB: Users should move up if the band is open beyond normal line of sight. Just wanted to say thank you to those who answered my counterpoise questions and helped outline this very simple solution in a less than ideal circumstances. 625 narrow FM, no tones or codes. That frequency is out of band for unmodified 2m radios. • 1 yr. As stated before, 446. 2m simplex: 146. Starting with local repeaters, then ones I know I’ll be traveling to on a regular basis, then simplex frequencies. I have an XTS3000 UHF which is P25 capable, I have used it for many months on conventional repeaters (I have not had the pleasure of working a P25 repeater yet). Then scan. The FM calling channel is on U280 (433. If you are wondering what Amateur Radio is about, it's basically a two way radio service where licensed operators throughout the world experiment and communicate with each other on frequencies reserved for license holders. 58, 147. Oddly, the Nat'l Calling FX isn't used much except on contest days. 200/432. 6125. My emissions designators permit P25 on my VHF frequencies and DMR on my UHF frequencies (up to 35W VHF and 25W UHF). This is good information. CQ is fine and appropriate on simplex frequencies. The PSKer app on iPhone is really fun to play with, but it would be even more fun just to pair it with a simple VHF/UHF HT. 6500, 467. I've looked around and I can't seem to find a 1. 560 MHz with 20hz or 15 hz steps, varies by state. I have used the Baofeng UV5R on both and spoken farther. Bank 2 - same but 440 MHz. His frequency has stuck around as one of the very popular simplex and relay frequencies. That's a Marine radio that also supports 40 LMR frequencies. I know the frequency allocations for those bands and I found band plans on the AARL as well as a site called hamradioschool. ago. 800, 447. 520/446. Then there's the 35 EFJ 51000s in UHF that I have absolutely no use for other than as trade-in/eBay specials. Frequency. 00 are the 2m/70cm simplex frequencies. 25m FM simplex calling frequency, unlike 2m and 70cm which both have one. 147. Then I have to go into the menu, and disable it. 100 – National CW Calling Frequency (2) 432. . Additional Simplex Location beyond 49 miles. For longer distance communication, such as nationwide or worldwide, we use HF frequencies. There are way better options but you can't really beat the features you get for $25. pbtpu40. 25 KHz is the width of the channel including a guard band in between. Apr 24, 2021 · Low-band VHF: 49-108 MHz. 520 MHz. The received signal about -76dBm (between S-8 and S-9). 158 (second to last simplex freq within FM national calling simplex portion, already in use for digital voice) Contingency 145. 8900, and 49. 2 No Continue reading Calgary and Area Repeater Frequencies→ It's worth mentioning that DMR tends to use 70cm. 00) Add to Cart. Per the ARRL Band Plan —. 000: Experimental Narrow bandwidth modes: 433. Hopefully you're using 5 KHz max deviation for the wide channels. • 18 days ago. 000 – 434. 400 and SERA says it has coordinated inputs on 146. Apparently other cities in my state each use different simplex frequencies for chatting. This means that 445. 400 and 146. 0hz CTCSS Portable ARES UHF Repeater. 6750, 467. Early on I got turned off to 2m/440 because Digital modes to use with simple VHF/UHF HTs. 57 Simplex 445. 2 meter, 440 Simplex Frequency Band Frequency Band Frequency 2 m Simplex 146. Program your bao for FRS, GMRS, MURS, Weather Stations (receive only), standard HAM VHF/UHF simplex frequencies and all local repeaters that are even close to your area. 100) are for SSB. But other areas have assigned these frequencies to repeater operation. We've always identified ourselves by our call signs at the beginning and at the end of a conversation. PublicAsparagus6. Interruptible foldback. com Sponsor Frequency TX Tone Mode Callsign 2M FM Calling 146. In atmosphere the path loss is about -104dBm for 17 miles. Nobodies use 70cm Simplex just in case, this calling frequency is 446. You can Google DNR simplex and see what your local area uses, the preferred colour code is CC 1 and TS 1. National 70cm FM Simplex: 446. It really doesn't matter as long as 433. Sep 8, 2023 · Businesses can operate lower power/lower bandwidth FRS radios on frequencies shared with GMRS. 0, simplex calling frequency) **This is random, but here is a map of which states use which channel spacing on 2m. 415 Mhz 440 Simplex 445. This is probably due to the higher gain with HT sized antennas, but I'm not completely sure. 25KHz step for digital, at edge of next lower simplex portion VHF and UHF have specific frequencies for calling, so if someone is listening to it and you just say your callsign, they probably heard you, there is no need to draw it out. 125 : BM: 6m SSB Call: 6m SSB Calling: USB I bought 3 different antennas. Colour code 1 (same as repeaters) Talk Group 99 Slot 1. 0-24. 00 Shared by auxiliary and control links, repeaters and simplex (local option) 446. 000 MHz is the National Simplex Frequency (also referred to as the calling frequency). 125 100. There are 6 simplex frequencies in use here in Wisconsin, 4 Uhf and 2 Vhf, 441. Useful for practice drills, patrols, and tactical communications. I see you also have some GHz range stuff. Levels of VHF usage are very very regional in the UK. Increase your height to increase your range. 900MHz is a basket case. Our repeater is relatively high profile. 000 MHz to 7. There are other frequencies in the 450-470 MHz band that are restricted to low power operations in certain areas Frequency Input License Type Tone Tone In Alpha Tag Description Mode Tag; 29. You’re allowed to use encryption freely if you have a business license. I can't speak to the vertex radios, but I imagine it's a similar story. I am trying to set up a simplex, radio-to-radio communications on either the 2-meter or 70cm bands. Oct 1, 2022 · Primary 147. The 2-meter band plan includes two ranges of frequencies for simplex, 146. cathrynmataga. If you had SSB cabability, 432. 4750 Cross-band repeater/remote base (12. 00 National simplex frequency If you're not finding anybody responding, jump on a repeater and ask for anyone interested in helping you test out simplex comms. One solution is to program your UHF simplex frequencies into memory, that way it should not trigger the ARS. They are all programmed the same. Additional Itinerant Frequencies. 400-147. Your Baofeng should be able to easily reach < 1 mile on either 70cm or 2m. 440MHz is different as NARCC only has 3 UHF simplex channels assigned so it is not uncommon to program the 2 non calling UHF FM simplex channels as digital. XTS2500 is a great radio. Dec 09,2022. • 8 yr. 0Ghz 122. 000MHz, respectively, and should be included in your radio’s scanned channels. I have local emergency frequencies programmed as far as SHTF frequencies. 57MHz, 15 or 20kHz channel spacing**. 600 – 434. Running full power is just going to create a lot of heat and if your radio isn’t designed well it will fry it. What we do, is that one or two hams in each village runs a "simplex node", and these nodes are all connected via an AllStar type systems. Normally most people will call CQ on the national simplex frequency 146. Being designed for amateur user is a bad thing in that there is no commercially-robust radios and the radios are expensive. 42-147. 5 KHz, 5373 KHz, and 5405 KHz. This article will give you the suggested and recommended simplex frequencies that are set aside for simplex operation and should help you understand how to operate simplex on the upper ham bands Dec 9, 2022 · What is the UHF simplex frequency? Connie. Think a half an S unit. FCC license for two-way radio use either at your business location or at temporary job-sites. They are shared use and none of them are allocated to a specific region. It's usually listed as 151. My question is: are digital modes allowed on simplex frequencies or is this not allowed/frowned upon? Apr 8, 2013 · Particularly in the 70m band. UHF isn't strictly necessary, and yes 2m can do short-range simplex. 8450 are those part 15 headset / baby monitor frequencies. In addition to weather information, it's also an "all hazards" information network, so you'll hear EAS activations, AMBER alerts, and other KE0AEE. 446. If you're within 3 hours of any major body of water (even large lakes), stongly consider Marine Channels (these are internationally recognized) 146. It's when the radios are in channel mode that they suffer with the issue. Jun 29, 2013 · HAM UHF | HAM U3 | 446. 79, 145. 925, 445. Your solutions include a better antenna on your Baofeng but my Maybe not "CQ, CQ", but in my area simplex is used all the time. 600MHz Simplex Channels (FM/DV) This area of the band is allocated to simplex channels U272 to U288 that may either be used for FM or digital voice (DV) communication. You get the automation and remote operation capabilities of the base HF transceiver together with any combination of HF/UHF bands you desire. 300 MHz. Programming the NWS radio frequencies would also be a good idea for severe weather alerts. 580 and 446. 000 (1 MHz away from national FM calling frequency, already in use for digital) Alternate 146. You should have no problem configuring channels that match you garmin radios. *edit to add. 1625 (6. CEJ_SoCal. Hence no need for a second (offset) frequency. They're pretty rare. National 1. With the advent of hotspots for digital modes such as the sharkrf OpenSpot and DVMega, finding an open frequency has become an issue. 0hz CTCSS ARES UHF Simplex. df ad sx mw wf sd do ux xm sq