TSB240
Well-Known Member
OK a more direct price comparison with no UK support.will save you a lot of the difference.small extra amount......thats a joke right?
KP-39A 7-Zoll-Farb-LCD-GPS-Diagrammplotter mit GPS-Antenne und integriertem Transponder der Klasse B Ais Combo Marine GPS-Navigator - AliExpress 34
No joke as far as I am concerned.
The Onwa is way better than a reboxed HP 33A replacement. The 528A probably uses the same 10 year old circuitry and has redundant ais technology given the advantages of B+.