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SteveShannon reacted to a post in a topic: GRMS in Cary, NC - Morrisville, NC area
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Receiving unable to transmit
WSDV406 replied to WRUC846's topic in South Central Tennessee GMRS's Club Forum Page
What mode is your TD-H3 in (GMRS, HAM, Unlocked)? Do you have your repeater channel offsets setup properly? -
Didn't know Spurtious Emissions caused woman to be naked. Good to know.
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In reading threads here I’m left with the opinion that some of you guys have never seen a woman naked.
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I have seen where baby monitors on the same frequency have caused issues with GMRS repeaters but I have yet to see anything related to spurious emissions causing such problems. I’m not saying it couldn’t. I just haven’t seen evidence of it though.
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TDM827 reacted to an answer to a question: Spurious RF emissions?
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WRUU653 reacted to a post in a topic: Chirp For KG-935H Is Now Here
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WRUU653 reacted to a post in a topic: Chirp For KG-935H Is Now Here
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Oh Boy, this is turning into............
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Eight.
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Raybestos reacted to a post in a topic: GRMS in Cary, NC - Morrisville, NC area
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WSAE510 reacted to a post in a topic: Tidradio H8 H3 Handhelds
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Well you get the sad hams complaining about radios that do -58dB when the upper limit is -60dB. Good chance that -40dB isn't going to affect much.
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WSAE510 reacted to a post in a topic: Tidradio H8 H3 Handhelds
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WSAE510 reacted to a post in a topic: Tidradio H8 H3 Handhelds
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WSAE510 reacted to a post in a topic: Tidradio H8 H3 Handhelds
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Oh Boy. I think I know where this thread is headed.........
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The point is it is uncommon, but it is a possibility that they are concerned about. Do they even know how to diagnose an issue of a pacemaker that was affected by RF? Bottom line, it's possible, but you might have a better chance of winning the Powerball jackpot. Here's on I cherry picked. Yes, pacemakers can be affected by spurious radio frequency (RF) emissions, but modern pacemakers are generally well-shielded, and interference is uncommon. Here's a more detailed explanation: Pacemakers and Electromagnetic Interference (EMI): Pacemakers are susceptible to electromagnetic interference (EMI) from various sources, including radio frequencies. Potential Effects of EMI: In the unlikely event of EMI, a pacemaker could experience: Stopping or irregular pacing: The pacemaker might stop delivering the stimulating pulses that regulate the heart's rhythm or deliver them erratically. Ignoring the heart's rhythm: The pacemaker might ignore the heart's natural rhythm and deliver pulses at a fixed rate. Asynchronous pacing: Some pacemakers incorporate protective algorithms that cause a temporary reversion to asynchronous pacing in response to prolonged inhibition from spurious signals. Modern Pacemakers and Shielding: Modern pacemakers have improved shielding and protective algorithms to minimize the risk of EMI. Sources of EMI: Radiofrequency sources: Cell phones, radio transmitters, and other devices that emit radio waves can potentially cause EMI. Magnetic fields: Strong magnetic fields from certain devices or medical procedures (like MRI) can also interfere with pacemakers. Interrogation Telemetry: Interference with interrogation telemetry (the process of reading data from the pacemaker) may still occur, especially with older pacemakers. 5G Networks: The risk of EMI between modern smartphones connected with 5G networks and pacemakers is considered low. Ionizing Radiation: Repeated exposure to ionizing radiation can alter electromagnetic components of cardiac pacemakers, leading to transient or permanent damage. Risk Assessment: An individual risk assessment is often necessary after pacemaker implantation, a change of its generator, or major modification of its programming settings. Avoiding Interference: Maintain a safe distance from strong electromagnetic sources. Be aware of potential interference from devices like cell phones, metal detectors, and certain medical equipment.
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WSHI860 joined the community
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Fair enough - but the question was "has anyone ever been affected" - not 'is it, or was it ever possible' - BUT, I did as you suggested, and as you can see below, the answer to my question is "it has never happened" - OR it has happened so few times there is no record found of it today.
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There are not 54 GMRS channels, there are only 22 with an additional 7 repeater channels, that's how the FCC made it and the H3 can do simplex and duplex for accessing repeaters in GMRS mode.. if you can't change the settings you need with the the radio then use the odmaster app or the computer software is real nice. Well laid out.. and if you still have issues just unlock the radio and program the GMRS channels manually! Hold ptt, *, and turn the radio on then tap 3 for unlock.. then you have GMRS, and 2 ham bands.. just don't transmit on ham channels till you get a ham license but you can listen to anything and you can transmit on any GMRS frequency... Really easy to program them it took me litterly 5-10 min and I'm using 2 local repeaters and all 22 channels and even have access to all 5 MURS channels.. so no limitations! Now the TD-H8 has 1 limitation! It's a 10 watt radio but even when unlocked it still backs down to 5 watts on the GMRS channels, and 10-12 watts on the ham channels... Oh, and with the newest firmware for the H3, you can unlock transmit for 200mhz, 300mhz, and 500mhz along with being able to listen down to 18mhz! Including cb
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Hey, you're a smart chap and you know Google is your friend. While I hate doing research for others I'll do it for you since I watched one of your YouTube videos and thought you were funny. Just cut and paste "are pacemakers affected by spurious rf emissions" and you'll find what you seek. The short answer is "most" aren't affected, but you don't want to be that one person that it does. There are also some other good reads on the topic.
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WSFS984 joined the community
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get you a cheap Baufang HT's if you don't have a radio already, watch some of the videos the guy here makes often, turn on the radio and begin playing.. Probably 99% of us here started that way..
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Can you point us to an example of that ever being an issue.. for anyone.. ever? Even just once?
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Simple answer is if the transmitting radio is FCC type accept you can be assured that the radio tested and its design has passed basic tests for such emissions. As for low powered transmissions, they can be just as harmful as the high powered ones if it is in close proximity of the receiving device. Some implanted medical device can be effected. On a side note: If your neighbor has her Lush inserted and turned on, spurious emissions can be loads of fun.
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I have seen spurious emissions cause cheap appliances and lights turn on and off. That can be fun if it happens to be your neighbor's stuff that is affected. Baby monitors can be annoying at times from the interference they can cause. And it's always fun to mess with neighbors that have scanners that they leave on all of the time that are set to scan all frequencies. Running digital modes on the HF bands makes some obnoxious noses on scanners.
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I broke down and participated in the Missouri QSO party this weekend. Four of us got together and ran under the club call sign. We kept everything casual and didn't try too hard. It was pretty fun getting to rag chew with the others while one guy was at the radio.
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Demonstrating a firm grasp on the obvious, but for the benefit of newcomers who may not know, those same channels scanned without a "privacy tone" on an FRS radio will also hear GMRS as well. They use the same channels. It will also hear repeaters if any are in range and active, on channels 15 thru 22.
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After reading the subject of using repeaters that seem to be silent most of the time, sounds similar to the ones that I have posted. I will admit that I've narrow minded on this subject. Besides, the General Mobile Radio Service wasn't intended as HOBBY. Of course, GMRS is technically intended for recreational, or an alternative use Telephone Systems aren't available. I may be wrong with what just said, but I know I'm not totally wrong about what I tried to say.
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So yes. Get a few friends or family together get some radios and go out and do an activity we’re gmrs radios would help communicate. Hike, bike, walk, boat, fish, hunt, go to a park, go to Disney land, take a road trip…… The list goes on. As soon as you do these things, anything, where communication is needed, and you use gmrs for that communication then yes you can hear gmrs radios In use.
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GRMS in Cary, NC - Morrisville, NC area
SteveShannon replied to WSHS561's topic in General Discussion
Do you have a GMRS radio? If so, set it to scan channels 1-22 with no privacy tones. If people are using GMRS and they’re within range, you’ll hear them. -
Sure. You can tune GMRS from 462.550 to 462.725 mhz.
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Is there a way I can hear people on GRMS in the Cary, NC - Morrisville, NC area? Greg: WSHS561
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Even at that, it's just an annoyance, no actual harm done. And as you say, you'd have to pretty much be talking non-stop to matter much to anyone. It would be so weak that likely you could adjust the squelch to get rid of it. As far as interfering with transmitting, I'll wager if that if I were receiving interference due to a harmonic from a 5-10 watt radio, I could just punch my power up to 50 watts and step on them.
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That's Not a TID H3 either !