haneysa
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Posts posted by haneysa
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Remember people....GMRS operates in FM mode (F*@king Magic); therefore you may have comms in areas where propagation software predicts that it is impossible and that the inverse is also true. I think that snow/ice covered terrain may enhance the reflection effect that granite and other minerals create. BLUF...get out there and experiment!
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I started on GMRS, then went "hammy". My main interest in both services is Emergency Communications, but I see no problem with G's ragchewing as H's do at certain times on certain frequencies. Ragchewing violates neither the letter not the spirit of Part 95 rules. As with anything, manners, respect, and moderation should prevent heartburn on the air. Most H's (on 2 meters) and most G's that I talk to and/or monitor try to leave breaks for other stations during a ragchew, and some of us actively invite lurkers or anyone wanting to use the air to jump in.
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High gain antenna, mounted as high as possible, using the lowest loss cable type that you can afford. LMR400 as a starting point, especially for 50' or less run. More than a 50' run, look at LMR600, or 1/2" heliax. $$ goes up the higher you go due to the cost of the coax. Look for an antenna with 5dB (7.1dBi) or more of gain. You want an antenna that has 465 mhz as its center frequency, or as close to that as possible. Some base station omnidirectional antennas can be tuned for optimum performance. A 450-470 mhz commercial antenna will work well. Height = Might on GMRS frequencies.
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I have a Btech GMRS-50X1 that only transmits 1 watt max on all channels. It is well past the warranty period (I bought it new straight from BTech). I am looking for schematics and/or a service manual. Btech has offered to sell me a remanufactured one at a reduced price, but they have to sent me any info on the schematics. This radio is built on the same chasis as the Btech UV-50X2, and the QYT KT-980plus. If I can get the schematic, I have someone that might tackle the repair. Thanks for any help
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- 2017 F150. I bought a (used) dash mount bracket made by Builtright Industries. This lets you use RAM mounts and compatible arms/balls etc. Instead of RAM mounts, I bought a piece of perforated "L" metal stock, steel spacers, and nuts/bolts/washers that attach to the builtright bracket. The control heads for the KG1000G and Wouxun KG-920PA are bolt to the L stock. I bought LIDO mic mounts that are adhesive mounted to the dash
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I know of some RF linked GMRS repeaters in Eastern Washington. Those guys are using 550 pair for the link and the 725 pair for the repeater (or vice versa), a large amount of filtering for isolation, and horizontally oriented yagis at both ends of the link. I think there is also a considerable mount of vertical separation between the repeater antennas and the link antennas.
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Hello, I currently operate two repeaters, and I would like to link them together via ROIP. I am not necessarily interested in making them available via the internet (as in Zello). I would also like the ability to remotely control them via internet, but this is secondary to having them "seamlessly" connected to each other. I see that Bridgecom offers an ROIP interface that appears to fit the bill, but at nearly $800 each, they are more $ than I would care to spend. Can anyone steer me toward a "plug&play" interface gateway that is more budget friendly? If not plug&play, a minimum level of configuration, and Windows compatible software would be great, as I am not a computer guru.
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My KG-1000G xmits 50 watts according to my MFJ cross needle meter. I have a different meter on the way to verify.
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L-Com HG459U $150 from L-com website. 9 dBi gain. Regardless of which brand/style/model that you buy, remember that the 465mhz is the "center" of the GMRS band. An antenna that is specifically designed and tuned for 465mhz will provide maximum efficiency. If you go with a very wide-ranging design, make sure that it is tunable.
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This summer my area was hit by a large wildfire. I am the Emergency Communication Specialist for my LDS Ward. I operate a GMRS repeater. At the time, it was located on my barn, so not at a high elevation relative to the rest of the area. We used GMRS to coordinate evacuations, share updates from various sources of info, and to coordinate needs and resources. One other use was for monitoring the progress of our overnight looter patrols. For most of the people directly effected by the fire/evacuation orders, cell phones were still operational, however, the radios allowed for sharing info to a large group, and not having to use a phone tree or text msg tree. We now use the GroupMe app as well as radios during our weekly nets.
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8 hours ago, MichaelLAX said:
Review this earlier myGMRS forum post for software and cable information.
I have no experience with Midland, so I cannot verify the information contained in this linked earlier post.
I downloaded programming software, and used my RT Systems cable (for the TYT TH-9000D) and was able to enable WIDEBAND, and add extra repeaters to CH 8-14 slots that are empty on the MXT400.
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On 11/21/2021 at 11:59 AM, mbrun said:
BTW, something to keep an eye on as you evaluate your KG-1000G radios is a changing audio level issue. Since I obtained my radio early this year I have had multiple people report that periodically the audio level will change dramatically during a transmission. Not consistently, but randomly, and seemingly without regard to speaking level or proximity to the mic. It occurs most frequently (but not always) at the beginning of a transmission. As the person transmitting I have not been able to experience this in normal use. However, having recently played with a simplex repeater module connected to the 1000G in my shack I can now confirm that the issue is real. When the issue occurs It sounds like the radio is going into full audio compression and then gradually ramps back up to normal. Very annoying for any listening party.
If anyone else has similar experiences, I would like to hear about them.
Michael
WRHS965
KE8PLMI have what may be a similar issue, but I have intermittent drop outs of audio and RF output. I have tried wiggling the mic plug in the jack, and then I wedged it into place, and that may help...it is had to tell since the problem is intermittent, BTWR said they were sending a replacement mic incase a loose wire/contact is causing the problem. That was about one month ago, and I am still waiting for the mic. I really like the radio otherwise.
- Mikeam and donmontalvo
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Thanks for all of the tips. I will follow up on them, and then talk to the guy that asked me about it.
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I was recently asked about the availability of a 50W GMRS radio that could be operated by a blind operator. This operator contacted me on an HF net that I participate in, so he is not a newbie to two-way radio. I know that many HTs have a voice annunciator option that would let him know what channel he was on, and also announce other values/functions, but I do not recall seeing that on any mobile GMRS radios. The blind operator wants to set up a base station. My first thought would be an HT with this capability connected to an amplifier, but I am not sure of such an amp being available (4-5w in, 50w out). Any help with this is greatly appreciated!
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I have the Baofeng UV-9R IP67 radio (the daddy of the UV9G). The UV9R is submersible, even while powered up. I have drop tested them from about 4 feet on to concrete (just a few times) and they held up. Even with IP67 gear, if I knew in advance that I was likely to get dunked, I would put my electronics in a dry sack or loksack, etc.
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I am looking at the "Line A and Line C" restrictions in part 95E rules. They cite a treaty for the reason for those restrictions. They provide a link to the treaty agreements with Canada. No where in any of the agreements shown on that page do I find an agreement regarding GMRS or FRS frequencies. I know that the Line A and Line C are still shown on the license, but perhaps the actual agreement lapsed or was rescinded, and someone forgot to update the license language? The closest frequencies to GMRS that I found listed were 454-459Mhz and 470-806Mhz. Line A begins 5 miles north of my house, hence the interest. So are these restrictions still in effect?
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MBrun stated that immediate family members not living with the license holder and using their own equipment need to get their own license. I see no such requirement in the FCC rules for GMRS. Common Sense says that the immediate family member must get the license holder's permission to operate under his/her license. The license holder is responsible for those persons using his/her license.
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After having my 905-G for a month, I am very happy with it, with one exception-the speaker volume. I will admit that my years as a Mortar Man have damaged my hearing, but when I compare the HT volume of the 905-G to the 805-G, and the KG-UV7D, the 905 is not as loud. This also occurs when an external speaker is attached, so it must be the sound amplifier in the radio.
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Duke, I am on the other side of the state, or in the State Of Liberty, but here is a group you might be interested in on the WET side.
seatacgmrs@groups.io
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The 16 zones are appealing to me. It looks like the increasing demand in causing manufacturers to add features, and hopefully increase quality. I would like to see an IP67 rated HT and an IP67 mobile. I also think that they should be able to build a 50w mobile that can operate on the FRS shared channels at legal limits.
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Google Earth elevation profile does show the straight-line terrain between two points, but do not automatically accept that the intervening terrain depicted prevents usable comms. I live in NE WA where we have mountains and canyons. I routinely make comms using GMRS in places that it should be impossible to do so. I guess that some of this is due to signals bouncing off of the rocky terrain, going around corners and down into canyons. The only way to know for sure is to do your own signal survey in the field.
- Extreme and SkylinesSuck
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I have some Part 90 HTs, and many models of the "bubble-pack" radios, including some legacy Motorolas with repeater capability, as well as the KG-805g, and the GMRS-V1. The 805g is well worth the extra cost over any of the bubble-pack radios. The 805g beats the GMRS-V1 as well. The 805G is repeater compatible, and you can program many custom channels. The 805g can utilize better HT antennas, or external antennas. I do not have a service monitor, but field-testing leads to to believe that the 805g has a much better front end than most CCR and the bubblepacks. For those who are stickler's for FCC rule compliance, the 805g is type certified for GMRS. I do have some part 90/95A radios from Kenwood and Icom, but many of the Part 90 radios being used by GMRS operators are not part 95, and some may object to their use. I don't have a problem with anyone using them. The way I see it, the purpose of the FCC rules is to prevent harmful interference and to let as many people as possible use the spectrum. It makes no logical sense to limit someone's choices, as long as the operator does not misuse their equipment to the detriment of someone else (No Harm, No Foul). I really appreciate the efforts of the tester. More info is always good.
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If you set up a base station antenna, you will benefit from using LOW LOSS coaxial cable as feed line. Using RG-58 or RG-8 cable will kill your signal, and when you are only xmitting 2-5 watts to begin with, you want every milliwatt possible to reach your antenna. LMR-400 would be the minimum cable that I would recommend. If the run is over 50 feet, you may want to go up to LMR600. 1/2 heliax would also be a good choice
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Radioddity is selling pairs of UV-5X, Part 95E Type Certified HTs for $59.95/pair. It looks like when they created the Part 95 firmware for the UV-5r, the also created a WX alert function. The manual is not attached to the advertising page, so I am not sure if you can program multiple channels using the same frequencies. I know that UV-5r radios are of extremely poor quality, especially the front end, but giving people a cheap "rule compliant" option is a good thing in my opinion. There are also oodles of accessories available. What say you?
Getting the Icom IC-FR4000 repeater to tx CWID
in Technical Discussion
Posted
RPT LOG under the EXPERT TAB and CW ID under the COMMON TAB. Maybe tis will help. This is how mine are set up