EngineeringHeight

Tallest guyed mast ever built

Record

646.4 m

2,120.7 ft

Record holder
Warsaw Radio Mast

✓ Value cross-checked in a second source

Tallest guyed mast ever built
Photo: R. Kreyser · Public domain

How the record evolved

Chart of the Tallest guyed mast ever built record, from 1913 to today 1913 today 250 m 646.4 m

The last record set in each decade, up to the current record (highlighted).

YearRecordHolder
current646.4 mWarsaw Radio Mast
371.25 mForestport Tower
335 mDeutschlandsender Herzberg/Elster
287 mMasts of Ruiselede transmitter, Ruiselede, Belgium
250 mCentral mast of Eilvese transmitter, Eilvese, Germany

Put them in order

Sort these records from the oldest to the most recent.

  1. 646.4 mWarsaw Radio Mast
  2. 287 mMasts of Ruiselede transmitter, Ruiselede, Belgium
  3. 371.25 mForestport Tower
  4. 250 mCentral mast of Eilvese transmitter, Eilvese, Germany

What to remember

On 30 July 1974, official broadcasts began from Konstantynów, near Gąbin, in central Poland. They went out from a 646.4 m guyed mast, the Warsaw Radio Mast, which was the world's tallest structure for 17 years from 1974.

The mast itself was the antenna, a radiator insulated against the ground. It carried Polskie Radio's Program I, unofficially known as "Jedynka", with a power of around 2 MW on 227 kHz. The signal could be picked up across Europe and North Africa, and its reach extended to parts of Canada and the United States and even to Antarctica.

The guyed mast history keeps a few milestones: the central mast of the Eilvese transmitter in Germany at 250 m in 1913, the masts of the Ruiselede transmitter in Belgium at 287 m in 1923, the Deutschlandsender Herzberg/Elster at 335 m in 1939 and the Forestport Tower at 371.25 m in 1950. From the 1913 mast to the Warsaw record, the ratio is 2.59.

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