146 MHz filters

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http://www.minikits.com.au/electronic-kits/filter-kits/vhf-lowpass-filters/LPF7-170M

Low pass 7 pole 144 MHz filter

A simple DIY filter was originally published in the RSGB VHF manual and described in CQ-TV 250

144 MHz band pass filter by YU1LM

This is a nice easy filter to build and can be used on the output of the Portsdown transmitter before any power amplifier stages.

File:2m BP FILTER-YU1LM.pdf

There is also some discussion on the Funcube dongle website of the YU1LM filter http://www.funcubedongle.com/?p=456

Manufacturers of 144 - 148 MHz filters

• OCI is a Canadian manufacturer [1]