Ham Radio . Magnum Experimentum
Antennas, experiments, engineering and other articles of interest to radio folks.
Articles about or mentioning Kenwood products.
Use this 2 second rule to measure when your driving is distracted enough to be of concern to you and others. Holding a microphone is fine, but other aspects of our mobile radios deserve scrutiny.
Here is a video of a Virginia amateur radio group passing field day bonus point messages off site using packet radio.
Using modest gear, station #6 of the Appalachian Trail Golden Packet exercise confirms 9600 bps works well for passing packets north and south.
My Kenwood TM-D710A microphone (Model MC-59) is producing crackling and intermittent, poor audio so I took a peak inside to have a look around.
Shown is a minimal, but effective collection of gear for the APRS Golden Packet Appalachian Trail event.
Hello all,
I wonder if any of you had your display unit for your Kenwood TM-G707 2/440 transceiver go blank and reboot even while the radio operates just fine.
If I move the wire with respect to the control head in a certain position this happens.
Is this just a case of dirty contacts between the little cable adapter and the control head or have any of you seen the wire in the cable actually break?
Ham radio enhances hunting safety by bringing assistance to injured hunter using cross band repeat.
A ham on the local Sunday Night Tech Net reported a technique that improved the reception of CW measurably.
He has a Kenwood TS-2000 transceiver. As time went by he used various adjustments while listening to CW. He was never quite satisfied with the noise levels that came in along with the desire CW signals. Variables adjusted include the RF Gain and AGC response time.
A viewer has a problem powering two radios from one power supply.
This situation is quite likely very common among amateur radio operators who keep a simple shack set up with one large power supply feeding multiple loads.