diff options
| -rw-r--r-- | Radio/index.mdwn | 27 | ||||
| -rw-r--r-- | TeleMetrum/production.mdwn | 8 |
2 files changed, 16 insertions, 19 deletions
diff --git a/Radio/index.mdwn b/Radio/index.mdwn index 4780a14..849b44f 100644 --- a/Radio/index.mdwn +++ b/Radio/index.mdwn @@ -14,24 +14,15 @@ optimized digital radio transceiver at very low power. ## Legal Context ## -It is not clear to us that all of the approaches people have taken over -the years to put off the shelf radios in rockets are actually legal. To -legally operate a radio transmitter, we need to understand and adhere -to the rules that regulate use of the radio frequency spectrum. When -commercial radio components are used in ways the original designer did not -envision, the rules against which they were designed and certified may not -still apply. But because rocket flights are short and often happen in -remote places, and the chance of harmful interference to other radio users is -therefore pretty small, we're never heard of anyone being fined or -prosecuted over this. - -In the United States, the rules that matter to us are published by the -Federal Communications Commission, or [FCC](http://fcc.gov/). Under Part 15 -of the FCC rules, it is possible to design and build radios that can be used -without each user needing to hold an FCC license. However, complying with -those regulations isn't trivial and isn't cheap. But all hope is not -lost! There's an alternative, unambiguously legal -approach to operating our radio links. +To legally operate a radio transmitter, we need to understand and adhere +to the rules that regulate use of the radio frequency spectrum. In the +United States, the rules that matter to us are published by the +Federal Communications Commission, or [FCC](http://fcc.gov/). Under various +sections of the FCC rules, particularly Part 15, it is possible to design +and build radios that can be used +without each user needing to hold an FCC license. Complying with those +regulations isn't trivial and isn't cheap. Forunately, there is an +alternative. FCC Part 97 and its equivalent in other countries define an "amateur radio" (sometimes called "ham radio") diff --git a/TeleMetrum/production.mdwn b/TeleMetrum/production.mdwn index 964f4eb..63d366b 100644 --- a/TeleMetrum/production.mdwn +++ b/TeleMetrum/production.mdwn @@ -119,6 +119,8 @@ from each to ground. Accelerometer loaded is MMA2204EG 100G unit! In G-Spot, this accelerometer recorded 52.8 gee acceleration on a Cesaroni pro29 H399 reload at NCR Oktoberfest 2009! +Beeper failed after a hard landing, replaced 2010.02.06. + ## sn 12 ## Full load of v0.1 PCB on 2009.11.05, two cuts and jumps to rewire P1_2 @@ -157,12 +159,16 @@ Partial "ground" load of v0.1 PCB on 2009.11.18 for use as TeleDongle. ## sn 51 ## -Full load of v0.2 PCB on 2010.01.09, with 100g accel and Tyco header. +Full load of v0.2 PCB on 2010.01.09, with 100g accel and screw terminals. + +Installed in G-Spot on 2010.02.06. ## sn 52 ## Full load of v0.2 PCB on 2010.01.09, with 50g accel and Tyco header. +Went home with Keith from LCA 2010 in Wellington. + ## sn 53 ## Full load of v0.2 PCB on 2010.01.09, with 40g accel and screw terminals. |