Showing posts with label MFJ-1620. Show all posts
Showing posts with label MFJ-1620. Show all posts
Monday, November 27, 2017

We went for the Thanksgiving week to New Smyrna Beach, the coastal town just North of Cape Canaveral.

I used the opportunity to test my portable setup with AGM battery (this one in this box):

Friday, September 29, 2017

I am using MFJ hamsticks for 20m and 40m bands in dipole configuration(s), i.e. installed in MFJ-347 mount. Here is the first post in this blog on MFJ-2220 and MFJ-2240 dipoes on 38ft/10+m Max-Gain fiberglass pole I use. In a word, 20m dipole works well for me. I use it to make DX as well as stateside contacts. It is not beam antenna, it has inherent loss and not all power makes it to the far field, but it definitely works. It also has some directivity at the height I use it (again 33-38ft, i.e. a little more than 10m). As for 40m dipole at this height, it doesn't work very well, and finally I became curious enough to overcome my laziness and did some modeling in 4nec2 (4nec2 is popular free antenna modeling software -- get your copy).

Thursday, July 20, 2017
and here is how you create it:
Wednesday, July 19, 2017

The loaded 20m MFJ-2220 dipole on the fiberglass telescopic pole MK-6-HD, to be exact.

Here is the short review of the pair: