Mark,
Heres a simple suggestion for an optional module. It is a simple card with a set of N/O and N/C contacts which detect an alarm condition (Such as the TX being lifted or opened... or, perhaps, the rooftop access door being opened)
Upon tripping the alarm...
either:
- An audible alarm signal ...
Search found 10 matches
- Thu Aug 31, 2006 11:05 pm
- Forum: Improvement and suggestions
- Topic: Tamper Alarm for remote TXers.
- Replies: 3
- Views: 63921
- Thu Aug 31, 2006 10:34 pm
- Forum: FM transmitters
- Topic: Idea on remote controling a light with FM
- Replies: 3
- Views: 12809
- Thu Aug 31, 2006 9:58 pm
- Forum: PC Software & Hardware
- Topic: HIDING FROM THE AUTHORITIES
- Replies: 8
- Views: 67369
- Thu Aug 10, 2006 5:53 pm
- Forum: Guides - comments and ideas
- Topic: Transmitter with a PC
- Replies: 1
- Views: 28076
Re: Transmitter with a PC
Have you tried to build in a PC inside the transmitter
instead of building a transmitter inside the PC ...? :roll:
LOL. check out 'SBC' on google. An SBC or 'Single Board Computer' is exactly what it sounds like... An entire computer built on a single tiny board. They can easily run your choice ...
instead of building a transmitter inside the PC ...? :roll:
LOL. check out 'SBC' on google. An SBC or 'Single Board Computer' is exactly what it sounds like... An entire computer built on a single tiny board. They can easily run your choice ...
- Sun Jul 30, 2006 1:35 am
- Forum: Guides - comments and ideas
- Topic: How the numbers are displayed ,in the calculator display?
- Replies: 10
- Views: 57230
Its all to do with 0's and 1's.... Its really boring stuff and I really can not be bothered to explain. But i will say this... if you are not familiar with base 2, base 7 or base 16 then dont even bother to try and grasp the concept of this as it will just confuse you.
LOL, someone sounds confused ...
LOL, someone sounds confused ...
- Sat Jul 29, 2006 9:05 pm
- Forum: Guides - comments and ideas
- Topic: Search: cheap, (all in one) fm transmitter
- Replies: 6
- Views: 40469
- Sat Jul 29, 2006 5:23 pm
- Forum: Guides - comments and ideas
- Topic: Digital Radio?
- Replies: 4
- Views: 35716
- Sat Jul 29, 2006 3:29 pm
- Forum: Guides - comments and ideas
- Topic: DAB Transmitter
- Replies: 4
- Views: 44369
Well, it isn't so difficult from what I've seen although the skillsets involved are perhaps a little different from those analogue radio engineers may be used to.
1./ Modulation method. DAB uses a QPSK and OFDM which has more in common in WAN networks than conventional radio broadcasts. Certainly ...
1./ Modulation method. DAB uses a QPSK and OFDM which has more in common in WAN networks than conventional radio broadcasts. Certainly ...
- Sat Jul 08, 2006 10:46 am
- Forum: Users share experience...
- Topic: New broadcaster - Few questions
- Replies: 4
- Views: 30054
- Fri Jul 07, 2006 11:04 am
- Forum: Users share experience...
- Topic: New broadcaster - Few questions
- Replies: 4
- Views: 30054
New broadcaster - Few questions
Hi,
First of all I'd be interested to hear from anyone who knows the situation in the Canary Islands (spain). We're real small here in Las Palmas de Gran Canaria but the band is packed from 88-108 and everyone is stamping on each others signals... its a listeners nightmare. This leads me to believe ...
First of all I'd be interested to hear from anyone who knows the situation in the Canary Islands (spain). We're real small here in Las Palmas de Gran Canaria but the band is packed from 88-108 and everyone is stamping on each others signals... its a listeners nightmare. This leads me to believe ...