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Part 95 rule changes. Finally.

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nanZor

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2,807
Any chance you are hearing images?

Swen - I'll just throw this out there ...

Any chance you are not dealing with the perfect storm of poor image rejection, nearby location, and legal amateur power?

Ie, if your gear has a 10.7mhz IF, and by doubling that to 21.4, if you subtract that from your gmrs freq (depends on whether the rx section does up or downconvert on the IF), that could easily allow you to hear the image of amateurs below you.

Ex: 462.7125 on display. Image heard: 462.7125 - 21.4 (double the IF) = 441.3125 mhz or thereabouts.

Depending on local band allocations, there *could* be an amateur link you are hearing on the image in your own receiver.

This *might* explain why amateurs are actually using their own ID's, because the fundamental IS in the amateur 70cm band.

.. just scratching my head on this one ... and as an amateur trying to resolve the problem from afar...
 

swen_out_west

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Joined
Nov 16, 2016
Messages
236
Location
Upper Mojave,CA/NV
Swen - I'll just throw this out there ...

Any chance you are not dealing with the perfect storm of poor image rejection, nearby location, and legal amateur power?

Ie, if your gear has a 10.7mhz IF, and by doubling that to 21.4, if you subtract that from your gmrs freq (depends on whether the rx section does up or downconvert on the IF), that could easily allow you to hear the image of amateurs below you.

Ex: 462.7125 on display. Image heard: 462.7125 - 21.4 (double the IF) = 441.3125 mhz or thereabouts.

Depending on local band allocations, there *could* be an amateur link you are hearing on the image in your own receiver.

This *might* explain why amateurs are actually using their own ID's, because the fundamental IS in the amateur 70cm band.

.. just scratching my head on this one ... and as an amateur trying to resolve the problem from afar...

No, it is on an FRS frequency.

Everybody knows it and it is even listed on MyGMRS.com even though it is listed as a GMRS channel and then in the comments the FRS channel it is actually on.
 
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KD8DVR

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Apr 11, 2004
Messages
1,304
Location
Columbus, Ohio
The action came out in the federal register today. The rules take effect September 28.

Sent from my SAMSUNG-SM-G920A using Tapatalk
 

NC1

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Feb 8, 2014
Messages
733
Location
Surry County, North Carolina
The action came out in the federal register today. The rules take effect September 28.
Sent from my SAMSUNG-SM-G920A using Tapatalk

That should bring in a bunch of new licensees on GMRS around the beginning of October, now that the license is good for 10 years instead of only 5.

I'm thinking I will probably do that as well since there are at least 3 very large coverage area repeaters where I am moving.
 

ControlNode

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Feb 4, 2014
Messages
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Location
Havelock, NC
First, I'm not great a reading these type of documents, so if I'm incorrect on anything I post please politely correct me.

An interesting part of this is that 90 days after effective date (Sept 28th 2017) they will no longer grant devices licenses for both FRS and GMRS and that after 2 years all devices previously licensed as FRS/GMRS will be classed as GMRS only and require the operator to have a GMRS license. I find that odd as some (maybe most) of the FRS/GMRS devices have 1.5W high power hardware limit on the GMRS channels shared and exclusive channels and 0.5W on FRS only channels, which would be fully in line with the new FRS only requirements of 2W limit on old GMRS channels while the former FRS only channel retain the 0.5W limit. But, as written after 2 years FRS users will need to buy new FRS only licensed hardware or get a GMRS license to continue using current hardware, unless the fees for the 10 year license change the $70 for that is likely cheaper than a pair of new radios.

Also, due trip to NC Mountains where I'm wanting more than 0.5W legally before the effective date I just got my GMRS license yesterday. I'm WQZX591.
 
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