Antennas for HOA Restricted Areas
Dr. Jack Mandelman K1VT joins us to talk about being a Ham and living in a neighborhood with an HOA that restricts antenna installations. We will talk about approaches and some equipment that one can use to be active on HF when living with such restrictions. We also touch on the role that transmitting and receiving magnetic loop antennas can play in getting you on the air from within an HOA restricted area.
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Field Radio Podcast Ammo Can Repeater Episode - https://fieldradiopodcast.org/FRP10.php
Changes to FRS and GMRS Regulations - http://www.arrl.org/news/fcc-personal-radio-service-revisions-will-affect-gmrs-frs-cb-other-part-95-devices
Light Saver Max Portable Solar Charger - https://www.powerfilmsolar.com/products/lightsaver/lightsaver-max-portable-solar-charger
QSO Today Interview - https://www.qsotoday.com/podcasts/k1vt
BlueDV AMBE Software - https://www.pa7lim.nl/ambepage/
NWDigital ThumbDV AMBE Dongle - http://nwdigitalradio.com/wp-content/uploads/2012/04/ThumbDV-A.pdf
DVMega DV Stock AMBE Dongle - http://www.dvmega.auria.nl/DVstick.html
AFEDRI SDR - http://www.afedri-sdr.com/
HDSDR SDR Software - http://www.hdsdr.de/
OTARD - https://www.fcc.gov/media/over-air-reception-devices-rule
Tarheel Antenna Mounts - https://www.tarheelantennas.com/mounts
Tarheel Antenna Ground Radial Kit - https://www.tarheelantennas.com/accessories
MFJ-2286 BigStick Telescoping Whip Antenna - http://www.mfjenterprises.com/Product.php?productid=MFJ-2286
MFJ-1886 Receiving Loop - https://www.mfjenterprises.com/Product.php?productid=MFJ-1886
LZ1AQ Receiving Loop Antenna Amplifier - https://active-antenna.eu/
LZ1AQ - http://www.lz1aq.signacor.com/
RCA Antenna Rotor for Loop Receiving Antennas - https://www.amazon.com/AUDIOVOX-Remote-Antenna-Rotator-VH226F/dp/B008468PWC/ref=sr_1_4?ie=UTF8&qid=1533953076&sr=8-4&keywords=antenna+rotor&dpID=41fgb5C1okL&preST=_SY300_QL70_&dpSrc=srch
RFForb - RemoteHams - http://remotehams.com/
MFJ Window Antenna Feedthrough - http://www.mfjenterprises.com/Categories.php?sub=1&ref=99
Regarding tapping the IF or RF from a transceiver to feed an SDR. Dave G4HUP (SK) designed a little board called HUP-RF with a high-z JFET input and a emitter follower to drive the RF output to the SDR. It's small enough to fit into almost any rig. Dave KD2C now makes and sells an improved version called PAT (PanAdapter Tap) for various IF frequencies. I prefer a fixed bandscope rather than a panadapter display that tunes with the rig, so for my TS-590 I chose to tap the RF input, not the IF. I tapped it just upstream from the T/R relay so no RF from the transmitter gets into my delicate SDR receiver. It feeds a little SMA connector I added to the back of the rig. It works great and doesn't seem to degrade the rig's receive performance at all.
I found that the gentleman was limiting himself. A few times he choose not to use a particular antenna because things were not perfect. For instance, not enough room to place optimal radials. Those of us who live in NYC apartments, go with it anyway and make contacts all the time (not digital, SSB). I am currently using a Tarheel 100A antenna indoors due to Coop restrictions and I do pretty well with the tarheel and home made magnetic loop antennas. 73 de N2LRB.
Some hams take to picnic table operating at the park down the street and able to get on the air within their neighborhood. A FT-891 and a PackTenna or the MFJ 17 foot whip and a BioEnno battery in a bag gets you on the air.
Great Show. I use an Attic antenna dipole with 10 watts and can work 40m and 20m no problem. I also throw up a PackTenna End fed for 20 meters in my back tree and I can make contacts and the black silky wire is hard to see and when I am done I pull the wire back in.
I really enjoyed this episode. Dr Jack is a great guest. I hope you can get him back sometime for an episode on mag loops. The LZ1AQ preamp is a great product. I use it with a single 1m loop of 6mm copper plumbing tube. Paired with the Airspy HF+ I can receive FT8 from all over the Pacific from California even when the band conditions are not great. When 20m opens up I start to pick up Europe as well. This is with the loop about 2m above ground in the back yard.
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A very interesting program! In his comments, Jack mentioned inexpensive PWM wireless motor controls. Could you post some more information about these? Sources?
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