Search found 4 matches
- Tue Jun 01, 2010 4:28 pm
- Forum: Antennas
- Topic: Trying to understand crazy FM Radio reception??????? HELP ME
- Replies: 3
- Views: 18386
Receivers
Most automobiles have an excellent receiver antenna system. Most portable and home receivers are not as good probably because the designers don't plan for listeners to be listening to far off stations. A good home receiver with connections for an outside antenna is the best you can do. I use a low p...
- Sat May 29, 2010 4:16 am
- Forum: Antennas
- Topic: Transmit range
- Replies: 0
- Views: 14181
Transmit range
I know it is the most asked question "How far can I transmit?" This formula is for seagoing craft so it applies to circle, flat with no obstructions, terrain etc. Range in miles = 1.6 times the square root of your antenna height above surface. Example- an antenna 100 feet above the surface...
- Tue Jan 19, 2010 9:09 am
- Forum: FM transmitters
- Topic: Watt to expect
- Replies: 1
- Views: 6369
Watt to expect
Thanks for the info on possible problem with 15 watt amp. 13.8 into BCP56, nothing out. With 13.8v, about 100mw in, good antenna (home made j pole swr less than 1.2) what should I expect for watts out of the 15 watt amp? The Daiwa shows about 3.5. I use a 7amp regulated power supply. I was trying fo...
- Mon Jan 18, 2010 6:16 pm
- Forum: FM transmitters
- Topic: 15 watt booster
- Replies: 1
- Views: 6415
15 watt booster
Due to power supply failure (operator error) a perfectly good 15 watt amp was fed about 18v. Now it will not put out any rf. Fuse good, graph lights up. Fan does not run. Any ideas on what I killed.