Postcode checker results: Trade

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This page provides information for professional aerial installers or related trade. You can find out more information at Transmitter Networks.

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Transmitter and reception information for

HP4 3EH

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	Name	Region	Parent Transmitter	Grid Reference	Distance (km)	Bearing°	Switchover Step 1	Switchover Step 2	Aerial Group Before	Aerial Group After
Most Likely Transmitter	Hemel Hempstead	London	Crystal Palace	TL 87900 44900	11	109	4 Apr 12	18 Apr 12	B V,E V	B V,E V
Alternative Transmitter	Crystal Palace	London	N/A	TQ 33940 71220	51	136	4 Apr 12	18 Apr 12	A H	A H
Alternative Transmitter	Sandy Heath	Anglia	N/A	TL 20472 49446	47	27	30 Mar 11	13 Apr 11	A H,W H	A H,W H

Coverage prediction ? print coverage prediction

Channel
Served
Marginal
Good reception
Variable reception
Poor reception

Hemel Hempstead
Step More information	Date	BBC A			D3&4			BBC B HD			SDN			ARQ A			ARQ B

Now	21 May 12	44	100	100	41	100	100	47	100	100	50	99	100	59	100	100	55	100	100
Final situation	2014	44	100	100	41	100	100	47	100	100	50	99	100	59	100	100	55	100	100

Crystal Palace
Step More information	Date	BBC A			D3&4			BBC B HD			SDN			ARQ A			ARQ B

Now	21 May 12	23	86	97	26	86	96	30-	91	93	25	95	96	22	83	97	28-	94	95
Reception change	Jun 12	23	79	97	26	79	96	30-	91	93	25	95	96	22	83	97	28-	94	95
Reception change	2014	23	79	97	26	79	96	30-	79	93	25	74	96	22	82	97	28-	76	95

Sandy Heath
Step More information	Date	BBC A			D3&4			BBC B HD			SDN	ARQ A	ARQ B

Re-tune event More information	9 May 12	27	27	52	24	37	63	21+	51	69	51	52	48
PSB power-up	27 Jun 12	27			24	42	56	21+	41	59	51	52	48
Final situation	2014	27			24	42	56	21+	41	59	51	52	48

Options for going digital ? print other options for going digital

Note: The Digital UK Postcode Checker is a predictive coverage database that shows the most likely TV service availability at your address - now and in the future. Note that analogue and digital terrestrial television (Freeview) coverage may vary as a result of engineering works or any frequency changes authorised by Ofcom. Always check your future reception prediction before buying TV equipment. Digital UK is not responsible for household TV reception arrangements, and cannot provide compensation for coverage variations, reception issues or TV equipment purchased. Last updated on 30 April 2012.

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