Tag Archive for Antennas

“Not for sale in the US”

SARK110

I’ve hesitated upgrading from my very old MFJ antenna analyzer due to the fact that other analyzers seem over-priced for what they offer. Finally, from Spain, the SARK-110 – yet unavailable in the US due (I think) to patent issues. Hopefully those matters will get resolved to allow sales here. Features include (from their website):…

Video: Antenna view via quadcopter

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I recently added a GoPro Hero camera to my DJI Phantom quadcopter and have been having a lot of fun with it. Two co-workers enjoyed test flights with the combo so much that they now also have similar set-ups. A trip to San Antonio this past weekend was too busy to allow me to over-fly…

Two sources of pneumatic antenna launchers

akbiocca

I saw my first pneumatic antenna launcher in use years ago in Stamford, Connecticut. Preparations were being made for Field Day and someone there had a contraption that I later would realize was of the same design as those now available from AKBiocca. The thing worked great, easily getting a line over very tall pine…

Now QRV on 160 meters

160mTantenna

After conferring with some Topband experts I decided to do what I knew was best regarding my two antenna options – a vertical of some sort or an extension of my 80m dipole. A diagram in this month’s (November) QST also nudged me in the right direction by showing me just how simple it would be…

QFH?

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“QFH?” means “Do you have a quadrifilar helicoidal?” As of this morning I am “QFH” and ready to receive NOAA weather satellites – in fact, I already have with the antenna indoors and propped against a wall. The resulting image is nothing to write home about but I have no doubt that once placed outside…