a1a frequency
1Letter beacon — Signal of letter beacon D on 5137.5 kHz Letter beacons are radio transmissions of uncertain origin, which consist of only a single repeating Morse Code letter. They are also often referred to as: SLB, or Single Letter Beacons SLHFB, or… …
2Liste des bandes de fréquence attribuées aux radioamateurs en Inde — Le radioamateurisme est un loisir pratiqué par plus de 16 000 licenciés en Inde[1]. Les radioamateurs ne sont autorisés à émettre que sur certaines plages de fréquences, appelées bandes. Les licences donnant droit d émettre sont délivrées par le… …
3Genealogical DNA test — For a non technical introduction to genetics in general, see Introduction to genetics. Part of a series on Genetic genealogy Concepts Population genetics Haplogroup/ Haplotype Most recent common ancestor Human mitochondrial DNA haplogroups Human… …
4Haplogroup O2b (Y-DNA) — Haplogroup O2b Possible time of origin 6,300 [95% CI 600–37,000] years ago[1] Possible place of origin Manchuria or a nearby part of northern East Asia Ancestor O2 Defining mutations M176 …
5Haplogroup O2a (Y-DNA) — Haplogroup O2a Possible time of origin Possible place of origin Ancestor O2 Descendants O2a1, O2a2 Defining mutations M95 In genetics, Haplogroup O2a (M95) is a human Y chromosome DNA haplogroup. Haplogroup O2a is …
6Daytona Beach, Florida — Daytona and Daytona Beach redirect here. For other uses, see Daytona (disambiguation). Daytona Beach   City   …
7Melbourne, Florida —   City   Downtown Melbourne …
8Types of radio emissions — The International Telecommunication Union uses an internationally agreed system for classifying radio frequency signals. Each type of radio emission is classified according to its bandwidth, method of modulation, nature of the modulating signal,… …
9WAOA-FM — Infobox Radio Station city = Melbourne, Florida name = WAOA airdate = 1991 frequency = 107.1 (MHz) area = Melbourne Titusville Cocoa, Florida format = Contemporary Hit Radio, Top 40, Hot AC owner = Cumulus Broadcasting erp = 100,000 watts haat =… …
10Radio propagation beacon — A radio propagation beacon is a radio beacon, whose purpose is the investigation of the propagation of radio signals. Most radio propagation beacons use amateur radio frequencies. They can be found on HF, VHF, UHF, and microwave frequencies.… …
