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New L-Band Filters from Adam Available

February 8, 2016

Adam (9A4QV) is well known in the RTL-SDR community for producing the LNA4ALL low noise amplifier as well as various RF filters that work well with the RTL-SDR. Adam is now selling some L-Band antennas designed for improving reception with Inmarsat, Thuraya, Iridium, GPS satellites. It can be used for example when trying to received STD-C EGC or AERO data from Inmarsat satellites.

Adam writes that the filter will be most useful for those living in urban areas that are close to radio and TV towers. The filter is built on his standard filter PCB which also has the ability to add a simple bias tee circuit for powering externally positioned LNA’s such as his LNA4ALL which are necessary for good reception at L-band with an RTL-SDR.

He is currently selling it fully assembled for 20 euros, plus 5 euros for worldwide shipping.

Adam's L-Band Filter Characteristics.Adam’s L-Band Filter Characteristics.

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New L-Band Filters from Adam Available

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