Changes
Teletext
,/* 4. Alternative transmission */
==4. Alternative transmission ==
=== 4.1 over DNS ===
* using several record
* gzip ?
* base 64 ?
* several TXT ?
* benefit from dnssec
first part of page 100
0.100.teletext.fixme.ch TXT IN "905ds76agf57dsfsad76f57dsaf576dsa"
second part of page 100
1.100.teletext.fixme.ch TXT IN "7867868LJDSLD905dadsad987asdNHDF"
JS in browser can access via DoH:
https://dns.google/resolve?name=0.100.teletext.fixme.ch&type=txt
thick clients can use built-in resolver
=== 4.2 over DAB ===
* begin with the minimum 8 kbit/s slot
* keep the receiver on to save pages in memory
* receiver with small tactile lcd screen?
* bluetooth receiver accessible directly from a smartphone and a corresponding app?
=== 4.3 POCSAG ===
* always on receiver
* about 10 messages to update one page
* multiple client listening to the same ric number?
* very good RF coverage
==Misc==