KRA-25 Positive Evaluation
I did an experiment with the KRA-25 the night before last and compared it to a true and resonate 1/4 wave at 155 mhz ...and came up with no difference in actual gain. This means that the 25 can't get any better in design. Apparently someone at JVC/Kenwood managed to build a hybrid helical with no noticeable loss in the base windings.
This one was bought to replace a damaged one on an old TK-290-1 (the actual radio tested).
In the future I'll be ordering a TK-2180K2 and WILL be using the KRA-25 which is listed as an authorized accessory for the 2180 (U.S.) series.
To a further thought, I've found that Kenwood's SMA-F design of connector is actually physically stronger than lets say Vertex's regular SMA, which does elevate the radio's viability in the public safety realm.
-Doug-
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