| Topic |
Author |
Posted On |
| 2 meter homebrew j antenna |
skidwayrph |
on 9/3/16 |
| I'm a new technician & made an open stub dual band (2m/70cm) open stub J-pole copied from the Arrow Antenna design to use with my HT. Parts and tools needed, 3/8" aluminum tube, 1/4" L or U channel aluminum extrusions, connectors, nuts, dies, taps, drill, and hack saw. Cost of parts about than $30. Modified design so that it mounts on a tripod with longest element breaking down into 3 pieces so that everything rolls up and fits in a bag about 22" long for easy transport. Surprisingly this DIY antenna turned out well with SWR on 2m about 1.1 and 70cm about 1.6 without any adjustment needed. It certainly works better than the HT's stock rubber duck. I would rate the required skill level basic and no soldering is involved - my soldering skills leave much to be desired. Buy extra tubing in case you make mistakes. Hardest part was tapping & threading the long element freehand so that it was straight. If you're going to do that some sort of guide to align the die or tap with the tubing would be helpful. If you're not handy, or don't want to waste the time the Arrow OSJ 146/440 might a good choice. Detail plans and even videos are available on the internet. |
| Driving and Transmitting |
tocoinaphrase |
on 9/3/16 |
| I have a friend that is former naval aviator and commercial pilot. Have flown with him and I'm amazed at the task load, especially landing in instrument conditions which required him to fly the aircraft, maintaining altitude, course, rate of decent, changing aircraft configuration, and communicating with controllers, including changing frequencies, all without visual reference. Asked him how he managed the task load. His reply, Aviate, Navigate, Communicate in that order. Aviate - fly the aircraft so you don't crash, Navigate - know where you are and where you're going so you don't fly into something, Communicate - last talk. He added that things could get quite busy while landing aboard the carrier at night. When that happened pilots would acknowledge controllers and LSOs by double key their microphone which produced audible double clicks to tell them "I heard you." We should follow the applicable laws and in this order, Drive, Navigate, & Communicate. |
| Enforcement: Policing the Bands |
N4DBR |
on 9/3/16 |
| If you know who the offender is and have supporting information or evidence report them. When you do, request the FCC advise you about its findings and resolution of your complaint. Encourage everyone affected by the offender to file complaints. Apathy does nothing to prevent these violations. The more complaints the greater likelihood that the FCC may investigate. |
| Enforcement: Policing the Bands |
N4DBR |
on 9/3/16 |
| If you know who the offender is and have supporting information or evidence report them. When you do, request the FCC advise you about its findings and resolution of your complaint. Encourage everyone affected by the offender to file complaints. Apathy does nothing to prevent these violations. The more complaints the greater likelihood that the FCC may investigate. |
