AdmiralCochrane
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Posts posted by AdmiralCochrane
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Yes, too far
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22 hours ago, Over2U said:
When listening to my GMRS H/T inside the house I will sometimes pick up only ‘fragments’ of conversations. Is it likely that I am just receiving random signal bounces, owing to the propagation characteristics of this 70 cm band?
No, you are simply hearing signals in the fringe of your reception area.
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I hear a local hotel staff as well. There are 4 hotels less than a mile as the crow flies, I haven't figured out which one it is yet.
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19 minutes ago, marcspaz said:
My primary home is in the DC metro area. FRS, GMRS and MURS are slammed on every channel for at least some part of every day. Though, the repeaters are not heavily utilized. We have about 30 to 50 people whom are regular users on all of the repeaters around me.
I'm not far away, our area has a lot of repeaters. There might be one on every available frequency within 40 miles of me. Lots of simplex use, some regulars on some of the better located repeaters.
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One of my TH-F6's is modified. Hard to find one for less than $300 these days.
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I just checked my 805G and it has not run the battery down after sitting for several months (at least 3 months)
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I have only made car to car simplex transmissions in the 10 mile range on one occaision.
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There is a TYT TH-9800D in my shack. There is also a junker in storage in my basement. I bought the junker first at a bargain price on eBay because the seller admitted one side of it didn't work. I liked the way the half radio worked well enough that I bought a new one with the eBay extended electronics warranty. If you watch on eBay, you see more than a few with problems selling as used junk. My new 9800 came with FCC compliant programming, but with paper instructions on how to unlock (it works ok on 11m too
). The Anytone 578 can be unlocked as well, but you have to do a search engine scavenger hunt to find the process and codes. The 578 is actually a triband radio but on 1.25m it's limited to 6 watts which works for me because there are at least 3 1.25m repeaters in range of my location. It also does GPS and APRS, so it's a lot more than just a dual band DMR.
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In my area 520 is quiet, but far from dead. I hear a few calls a month of people passing thru and a couple of regulars in one certain area about once a month. Not sure why those regular guys use 520 for their ongoing rag chews. If it were me, I'd bump over to some other simplex frequency. Maybe they don't know how.
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Only GMRS or ham repeaters too?
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Their best feature is their advertizing
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2
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Because all rentals are operated within range of cell towers
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The point of the restrictions on MURS, FRS and GMRS was to limit the range so they could be generally practical for families to use on their block.
Allowing repeaters was letting a genie out of the bottle that made a lot of people consider uses beyond the original limiting method/device.My worthless opinion is if you want something more, just get it. "It" being a business or ham license. All the great imaginings of what might be possible with changes already exist in the ham world.
Stop trying to make GMRS into amateur radio.
Sorry for the musings of a "sad ham" -
More frequencies for my scanner
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On 10/24/2022 at 2:08 PM, WRUS537 said:
I never knew this, learned something, thank you
On 10/24/2022 at 12:50 PM, KAF6045 said:why many AM broadcast stations have to reduce power or change antenna directionality at sunset/sunrise -- to avoid having nighttime propagation affecting other stations on the same frequency (and the few clear-channel stations that are allowed full power at night now cover multiple states rather than just a few counties).
WABC in NYC can be received as far south as Maryland and Virginia many nights, but not at all during the day.
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I found the performance of the tiger tail was improved by running it perpendicular to the antenna and facing to or away from the other antenna. Straight down (inline with the antenna) or outside of the angle directly to the other station, I could not see any performance increase.
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Does a good charge controller mitigate some of this concern?
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Multiple strikes in my yard and last year one close enough for the EMP to damage my HF rig ($80 power filter board) and short out a florescent light ballast. Same hit took out 2 TV's and 2 AC's next door. One a few years back melted the neighbor's cable TV cable into the carpet.
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I identified the frequency used by the factory where I am assigned to work using an old Uniden BC75XLT scanner. 3 days later I was working in the room with the repeater transmitters ... with big labels on the racks, duh
Channels that buzz
in Technical Discussion
Posted
Since I use my HT's (GMRS and dual band ham) on commercial roofs while I am on break from work and I work on a LOT of equipment with VFD's, I read the article. I have NEVER heard a VFD making noise on VHF or UHF. If I read the article correctly the VFD in question was Chinese JUNK AND incorrectly installed. All of the ones I see at work are Korean, Japanese or European. I have never come across any equipment using the Chinese JUNK in question.
Despite this solid example, I think you are much more likely to find solar panel controllers making spurious RF than a VFD. There are numerous examples of solar panel controller manufacturers getting caught distributing crap.