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TK 790 question

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JWLambN6

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Very new to a TK-790, seems to be a Type 1 (148 - 174). Are there any options to make this Type 2 or is it a physically different model? Thanks in advance for any assistance.
 

ramal121

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K and K2 models are hardware dependent for their frequency range. Although you can get the 790 to go outside its range a few MHz there is no way to get the full frequency spread of a different model.
 

JWLambN6

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K and K2 models are hardware dependent for their frequency range. Although you can get the 790 to go outside its range a few MHz there is no way to get the full frequency spread of a different model.
Thanks for the help. I assume the K2 is in reference to the KRK-5 control head? Also, I am close to Sonoma. Do you do consulting or tech support?
 

mrweather

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The K designation has nothing to do with the control head. KRK-5 is the hardware needed to separate the control head (KCH-10 or KCH-11) from the radio body to allow remote mounting.
 

ramal121

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Yes, the K and K2 models models refer to the frequency band, what your are refering to as type 1 and type 2.

Consulting? Don't know but I've been known to toss my opinions around. Let me know what you need.
 

JWLambN6

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Thanks ramal121 and mrweather. My "newbie" designation also indicates my knowledge of these systems. I'm running KPG 44D v2.02 software where I can select M136-154 but a warning prompt comes up saying wrong model type, overwrite?

Ultimately I am with a volunteer organization with assigned channels below M148 and one above. Plus we need to moniter the Marine channels. Is there a way to do all of that on this setup? And does anyone know what will happen if I do overwrite the model?

Ramal121, I'm in Marin. I think ultimately I'd like someone knowledgable go through what we have and check that it is correct and make suggestions for improvements. We can pay a modest stipend.
 
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mrweather

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How far below 148 MHz do you need to go? Even though all the TK-790's I own are K models, they will all accept frequencies down to at least 144.500 MHz no problem. The KPG-44D software will warn you if a frequency is outside the range of the radio but you can ignore the warning and enter it anyway.

Mine are currently programmed with a bunch of 2m amateur simplex and repeaters (144-148 MHz), the weather radio channels (162 MHz), railroad (160/161 MHz) and marine frequencies (156/161 MHz). My radios have no issues at all with this range of frequencies.
 

mmckenna

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Thanks ramal121 and mrweather. My "newbie" designation also indicates my knowledge of these systems. I'm running KPG 44D v2.02 software where I can select M136-154 but a warning prompt comes up saying wrong model type, overwrite?

Ultimately I am with a volunteer organization with assigned channels below M148 and one above. Plus we need to moniter the Marine channels. Is there a way to do all of that on this setup? And does anyone know what will happen if I do overwrite the model?

Yeah. Don't do that. There are hardware differences and simply changing the model number won't change the hardware. If the TK-790 won't do what you want, there are a ton of radios out there that will, and don't require messing with things to make them work correctly.
So, 2 meter amateur and a part 90 frequency? You can pick up TK-7180's in the $100 - $150 range that will cover 136-174 without issue.
 

W8UU

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Yeah. Don't do that. There are hardware differences and simply changing the model number won't change the hardware. If the TK-790 won't do what you want, there are a ton of radios out there that will, and don't require messing with things to make them work correctly.
So, 2 meter amateur and a part 90 frequency? You can pick up TK-7180's in the $100 - $150 range that will cover 136-174 without issue.

What MMcKenna said. Sell or trade that TK-790 to someone that wants a rock solid ham radio built to commercial specs. I have several and they're kick-ass units. For your purposes, get something that will easily and legally cover the frequencies you need. The 7180 is a great radio.
 
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