Human-Computer Interaction Resource Network
| Birmingham, Alabama Crystal Radio Group | |
| Welcome to the Birmingham, Alabama Crystal Radio Group website. We are the host of the crystal radio receiving contest. | |
| Keywords : Crystal Radio, 1ad, 1ad contest, crystal radio contest, homemade radios |
| Last Update : | 30/December/2011 |
| Google PR : | N/A |
| Internal links : | 16 |
| External links : | 2 |
| Archive : | Check how did the site look in the past? |
| Keyword | Occurrences | Percentage |
|---|---|---|
| contest | 25 | 4.36% |
| crystal | 13 | 2.26% |
| device | 11 | 1.92% |
| active | 11 | 1.92% |
| contests | 9 | 1.57% |
| Keyword | Occurrences | Percentage |
|---|---|---|
| active device | 11 | 3.83% |
| crystal set | 8 | 2.79% |
| a m | 7 | 2.44% |
| dx contest | 6 | 2.09% |
| for the | 6 | 2.09% |
| Keyword | Occurrences | Percentage |
|---|---|---|
| contest was held | 4 | 2.09% |
| crystal set contest | 4 | 2.09% |
| the active device | 3 | 1.57% |
| device ad homebrew | 3 | 1.57% |
| active device radios | 3 | 1.57% |
| Site IP address : | 208.109.181.34 |
| Server type : | Microsoft-IIS/6.0 |
| Powered by : | ASP.NET |
| DNS 1 : | ns43.domaincontrol.com |
| DNS 2 : | ns44.domaincontrol.com |
| MX Domain 1 : | mailstore1.secureserver.net |
| MX Domain 2 : | smtp.secureserver.net |
| Alexa rank : | 4,380,747 |
| Description : | Crystalradio.us's three-month global Alexa traffic rank is 4,380,747. |
| active radio us | 56.94% |
| impedance 34 ohms | 37.68% |
| which vertical antenna uses a 10uh trap | 5.19% |
| earphone contest | 0.14% |
| antenna matching | 0.05% |
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