OG21 Maidenhead Grid Square

Hover over map, specify your 2 (the field), 4 (the square), 6, or 8 character grid, or enter latitude and longitude to show grid and/or calculate distance.    Feedback or suggestion? Click here.

Distance Between 2 Grid Squares

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Grid #2

Find Grid by Latitude & Longitude

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Longitude #1

Distance Between 2 Lats & Lons

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Longitude #2

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Latitude, longitude, and maindenhead grid square.


View, convert, and distance your location's latitude and longitude to the maidenhead grid locator system for amatuer radio. Also, latitude and longitude for great circle path and distance. The Maidenhead Grid Locator system (also QTH) is a geographic co-ordinate system used by amateur radio operators to succinctly describe their location. The system can describe any location in the world. Latitudes and longitude can be coverted to and from the grid system. This system replaces the QRA locator system since it was only used in Europe. Other names for the grid locator are: grid squares, QTH, or grid location.



Links to other popular grid square locations:



Maidenhead Grid Square
OG21aa
OG21ab
OG21ac
OG21ad
OG21ae
OG21af
OG21ag
OG21ah
OG21ai
OG21aj
OG21ak
OG21al
OG21am
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OG21cg
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OG21ci
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OG21ck
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OG21cm
OG21cn
OG21co
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OG21cr
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OG21cu
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OG21do
OG21dp
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OG21eo
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OG21eq
OG21er
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OG21gq
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OG21gt
OG21gu
OG21gv
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OG21gx
OG21ha
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OG21hc
OG21hd
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OG21hg
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OG21hk
OG21hl
OG21hm
OG21hn
OG21ho
OG21hp
OG21hq
OG21hr
OG21hs
OG21ht
OG21hu
OG21hv
OG21hw
OG21hx
OG21ia
OG21ib
OG21ic
OG21id
OG21ie
OG21if
OG21ig
OG21ih
OG21ii
OG21ij
OG21ik
OG21il
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OG21in
OG21io
OG21ip
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OG21kt
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OG21la
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OG21le
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OG21lk
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OG21lo
OG21lp
OG21lq
OG21lr
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OG21lu
OG21lv
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OG21mc
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OG21me
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OG21mg
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OG21mi
OG21mj
OG21mk
OG21ml
OG21mm
OG21mn
OG21mo
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OG21mq
OG21mr
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OG21mu
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OG21nc
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OG21nm
OG21nn
OG21no
OG21np
OG21nq
OG21nr
OG21ns
OG21nt
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OG21nx
OG21oa
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OG21oe
OG21of
OG21og
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OG21oi
OG21oj
OG21ok
OG21ol
OG21om
OG21on
OG21oo
OG21op
OG21oq
OG21or
OG21os
OG21ot
OG21ou
OG21ov
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OG21pa
OG21pb
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OG21pl
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OG21pn
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OG21pv
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OG21qn
OG21qo
OG21qp
OG21qq
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OG21qs
OG21qt
OG21qu
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OG21qw
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OG21ra
OG21rb
OG21rc
OG21rd
OG21re
OG21rf
OG21rg
OG21rh
OG21ri
OG21rj
OG21rk
OG21rl
OG21rm
OG21rn
OG21ro
OG21rp
OG21rq
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OG21rt
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OG21rw
OG21rx
OG21sa
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OG21so
OG21sp
OG21sq
OG21sr
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OG21st
OG21su
OG21sv
OG21sw
OG21sx
OG21ta
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OG21tf
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OG21th
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OG21tj
OG21tk
OG21tl
OG21tm
OG21tn
OG21to
OG21tp
OG21tq
OG21tr
OG21ts
OG21tt
OG21tu
OG21tv
OG21tw
OG21tx
OG21ua
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OG21ui
OG21uj
OG21uk
OG21ul
OG21um
OG21un
OG21uo
OG21up
OG21uq
OG21ur
OG21us
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OG21uu
OG21uv
OG21uw
OG21ux
OG21va
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OG21vd
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OG21vk
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OG21vn
OG21vo
OG21vp
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OG21vr
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OG21xa
OG21xb
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OG21xd
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OG21xf
OG21xg
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OG21xl
OG21xm
OG21xn
OG21xo
OG21xp
OG21xq
OG21xr
OG21xs
OG21xt
OG21xu
OG21xv
OG21xw
OG21xx


Grid Square Locator

Enter your zip-code, city, latitude, or longitude to find your maidenhead grid square on the Google or Bing map. The largest square, two digits field encoding, e.g. CN, is 10° latitude by 20° longitude in size.

Grid Square Calculator

The grid square, two digits field and two digits square, e.g. CN87, is 1° latitude by 2° longitude in size.

Find Grid Square

The next smaller grid sub-square, with 6 digits, e.g. CN87AA, is 0.041667° latitude and 0.083334° longitude in size.



Grid valid. OG21
IPs returned: 34.225.194.102, 209.17.114.78, 209.17.114.78:0 >>>