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Customer Reviews for the MFJ-1644.

From: James 9V1JP
This product is great, helped me in my DX and certainly can take more than the rated 150W! Strongly recommended.

From: James Puah 9V1JP
Have been happily using the MFJ-1644 for a while now. I am staying on the 16th floor apartment in Singapore and to put out a decent signal without getting RF bite is a challenge, the MFJ 1644 solved it all. Puts out a decent signal and within first 3 days of setting up got me a dozen of stations over Asia (China, Russia, India, Indonesia, Korea, Thailand, Malaysia) not to mention Australia, Mauritus, South Africa, and I have also worked US, German and French stations even though I know I have not optimized the setup (I just used the original ground wires without trimming them.
Due to the high humidity here (I think), the meter sensitivity adjustment has been intermitent. I emailed MFJ customer service and guess what, they offered to ship a spare under warranty to me free of charge. Response was almost instantaneous (thanks Richard) and I know I will get the parts in no-time.
I strongly recommend HAMs in similar living conditions like myself (high rise apartment) to consider trying out this product.

James Puah

From: James Puah 9V1JP
I have been using this product for camping recently at the Westcoast of Singapore couple of times together with the MFJ-1956 12ft telescopic whip antenna and boy this combination is a killer! i easily reach Australia, China, US and UK on 20 Meters and it can withstand more power than the stated 150W. Refer to QRZ.COM and you will know what I mean. I simply place the 1644 on the grass, straghten out the 3 counterpoise wire, extend and connect the 12ft whip to the 1644 and tune for max ground current and you are in business. This product is strongly recommended for people who like outdoor 'hamtivity'.

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