01-02-2020, 06:32 AM
Not sure how much use the 435 and 438 options will be.
Maybe 430, 431, 432, 433 might be better.
Stay away from 434 because of LIPD devices : UHF remote controls etc..
The 435 is the satellite band segment and, while probably quiet most of the time, could cause issues to the satellite ops and vice versa.
The 438 is start of the FM repeater output segment (438-440). Local repeaters may bleed through into the IF.
Personally I use 145 for 2.4 and 3.4, with 445 as my (first) IF for 5.7 and 10G as shifted own to 145 with a minitransverter PCB (445 <--> 145) so that all are worked from one IF transceiver via a multiposition switch/relay arrangement. That means that I can work 144.1 (.15,..) during field days etc without much interaction into the microwave gear.
Doug VK4ADC
Maybe 430, 431, 432, 433 might be better.
Stay away from 434 because of LIPD devices : UHF remote controls etc..
The 435 is the satellite band segment and, while probably quiet most of the time, could cause issues to the satellite ops and vice versa.
The 438 is start of the FM repeater output segment (438-440). Local repeaters may bleed through into the IF.
Personally I use 145 for 2.4 and 3.4, with 445 as my (first) IF for 5.7 and 10G as shifted own to 145 with a minitransverter PCB (445 <--> 145) so that all are worked from one IF transceiver via a multiposition switch/relay arrangement. That means that I can work 144.1 (.15,..) during field days etc without much interaction into the microwave gear.
Doug VK4ADC
Doug VK4ADC @ QG62LG51
http://www.vk4adc.com
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http://www.vk4adc.com
This Forum is only going to be as interesting as the posts it contains.
If you have a comment or question, post it as it may trigger or answer the query in someone else's mind.