Website of Holger Adams

Working all bands from 80m to 23cm.

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Ultralight Dipole for 15m

Components 15m Dipole Components Steel tent pegs will be replaced with titanium in the near future. 20m wire is not yet done. 15m measurem...
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Having a closer look at a 10 Watt SMA DC-6GHz 50 Ohm load from Aliexpress

A part of my shack is a 50 Ohm dummyload from Aliexpress which can be ordered from this shop. Aliexpress Dummyload This is how the Dummyload...
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Analysis of the Aliexpress FBP-144 BPF for the 2m band

This filter can be bought from this store. The measurement was done using a calibrated LiteVNA-64. FBP-144 measurement setup Analysis resul...
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Splitable 12-El. 23cm Yagi from the eBay store 'wlan-antenne'

A few weeks ago I bought a detachable 14 element 23cm Yagi antenna from the E-Bay store ‘wlan_antenne’. The great thing is: you can split the antenna in the...
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LiteVNA sweep of the 2-El. 23cm Yagi from SG-Labs

I bought a 23cm transverter from SG-Lab and Hristiyan (LZ5HP) added a small PCB antenna. 2-Element Yagi from LZ5HP Time for a LiteVNA sweep!...
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